Laser Systems Engineering Division

Fibre Sensors & Optical Spectroscopy Section

  List of publications

Journal Articles:

[2021] [2020] [2019] [2018] [2017] [2016] [2015] [2014] [2013] [2012] [2011] [2010]

Conference Papers:

[2021] [2020] [2019] [2018] [2017]

Books/ Book Chapters/ Edited Volumes

[2019] [2010] [2002] [2001] [1996]

Internal Reports/ Magazine/ Bulletin:

[2020] [2018] [2017] [2016] [2015] [2014] [2013] [2012] [2011] [2002]

Invited talks:

[2021] [2020] [2017]

Journal Articles

2021

  1. Saini P.K.*, Prakash O.*, Kumar J.*, Purbia G.S.*, Mukharjee C.*, Dixit S.K.*, Nakhe S.V.*
    Relative humidity measurement sensor based on polyvinyl alcohol coated tilted fiber Bragg grating
    Measurement Science and Technology, Vol. 32, no. 12, p. 125123, Dec. 2021.
    https://doi.org/10.1088/1361-6501/ac2abd

  2. Kumar J.*, Mahakud R.*, Kumar S.*, Saini P.K.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Analysis and experiment on simultaneous measurement of strain and temperature etched and un- etched FBG pair
    Results in Optics, Vol. 5, p. 100135, Dec. 2021.

  3. Singh Y., Raghuwanshi S.K., Prakash O.*, Saini P.K.*
    Design and development of tilted fiber Bragg grating (TFBG) chemical sensor with regression analysis of grating parameters for sensitivity optimization
    Optical and Quantum Electronics, Vol. 53, no. 11, p. 664, Nov. 2021.
    https://doi.org/10.1007/s11082-021-03328-6

  4. Raghuwanshi S. K., Singh Y., Singh M., Chack D., Kumar R., Prakash O.*
    High sensitivity detection of chemicals based on sinusoidally apodized structured grating assisted liquid filled directional coupler
    Opt Quant Electron, Vol. 53, no. 7, p. 398, Jul. 2021.
    https://doi.org/10.1007/s11082-021-03070-z

  5. Kumar J.*, Singh G., Saxena M.K.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Development and Studies on FBG Temperature Sensor for Applications in Nuclear Fuel Cycle Facilities
    IEEE Sensors Journal, Vol. 21, no. 6, p. 7613-7619, Mar. 2021.
    https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=9301302

2020

  1. Raghuwanshi S. K., Kumar M., Jindal S. K., Kumar A., Prakash O.*
    High-Sensitivity Detection of Hazardous Chemical by Special Featured Grating-Assisted Surface Plasmon Resonance Sensor Based on Bimetallic Layer
    IEEE Transactions on Instrumentation and Measurement, Vol. 69, no. 7, p. 5072-5080, Jul. 2020.
    10.1109/TIM.2019.2952705

  2. Singh M., Raghuwanshi S. K., Prakash O.*, Saini P.K.*
    High-Resolution Fiber Optic Sensor based on Coated Linearly Chirped Bragg Grating
    Optik, Vol. 212, p. 164698, Jun. 2020.
    https://doi.org/10.1016/j.ijleo.2020.164698

  3. Saini V.K.*, Talwar S.*, Subrahmanyam V.V.*, Mishra R.K.*, Saini P.K.*, Dixit S.K.*
    Laser isotope separation scheme of lithium by three-color photoionization
    Physica Scripta, Vol. 95, no. 7, p. 075403 (10pp), May. 2020.
    https://iopscience.iop.org/article/10.1088/1402-4896/ab94d8

  4. Saini P.K.*, Kumar S.*, Kumar J.*, Purbia G.S.*, Prakash O.*, Dixit S.K.*
    Graphene-oxide-coated fiber Bragg grating sensor for ethanol detection in petrol
    Measurement Science and Technology, Vol. 31, no. 2, p. 025109, Feb. 2020.
    https://doi.org/10.1088/1361-6501/ab2d63

  5. Kumar J.*, Prakash O.*, Choudhary N., Mahakud R.*, Dixit S.K.*, Nakhe S.V.*
    Role of UV fluence on the thermal regeneration characteristics of fiber Bragg gratings: experiment and analysis
    Measurement Science and Technology, Vol. 31, p. 045204, 2020.

  6. Mahakud R.*, Kumar J.*, Prakash O.*, Dixit S.K.*
    Temperature dependence of temperature sensitivity of resonant mode of a long period fiber grating
    Applied Physics B, Vol. 126, p. 90, 2020.

2019

  1. Biswal R.*, Mishra G.K.*, Agrawal S.K.*, Dixit S.K.*, Nakhe S.V.*
    Studies on the design and parametric effects of a diode pump alkali (rubidium) laser
    PRAMANA, Journal of Physics, Vol. 93, no. 4, p. 1-9, Oct. 2019.
    https://doi.org/10.1007/s12043-019-1817-0

  2. Singh M., Raghuwanshi S. K., Prakash O.*
    Ultra-Sensitive Fiber Optic Gas Sensor Using Graphene Oxide Coated Long Period Gratings
    IEEE Photonics Technology Letters, Vol. 31, no. 17, p. 1473-1476, Sep. 2019.

  3. Singh M., Raghuwanshi S. K., Prakash O.*
    Modeling of Grating Assisted Hybrid Plasmonic Filter and Its On-Chip Gas Sensing Application
    IEEE Sensors, Vol. 19, no. 11, p. 4039 - 4044, Jun. 2019.
    https://doi.org/10.1109/JSEN.2019.2897616

  4. Saini V.K.*, Saini P.K.*, Saleem S.*, Dixit S.K.*
    Development of a thermionic diode detector for laser spectroscopy
    Measurement Science and Technology, Vol. 30, no. 6, p. 065501 (1-10), May. 2019.
    https://doi.org/10.1088/1361-6501/ab062b

  5. Kumar J.*, Prakash O.*, Kumar S.*, Dixit S.K.*, Bhardwaj Y. K., Nakhe S.V.*
    Effect of gamma radiation dose on the performance of negative-index fiber Bragg gratings
    Optical Engineering, Vol. 58 , no. 5, p. 057108 (1-9), May. 2019.
    https://doi.org/10.1117/1.OE.58.5.057108

  6. Saini V.K.*, Talwar S.*, Subrahmanyam V.V.V.*, Dixit S.K.*
    Laser assisted isotope separation of lithium by two-step photoionization using time of flight mass-spectrometer
    Optics and Laser Technology, Vol. 111, p. 754, Apr. 2019.
    https://doi.org/10.1016/j.optlastec.2018.09.012

  7. Saini V.K.*, Saini P.K.*, Subrahmanyam V.V.V.*, Dixit S.K.*
    Measurement of photoionization cross-section of Li (2p, 3d) excited states using thermionic diode detector
    Journal of Quantitative Spectroscopy & Radiative Transfer, Vol. 224, p. 361, Feb. 2019.
    https://doi.org/10.1016/j.jqsrt.2018.11.025

2018

  1. Saini V.K.*, Kak A.*, Dixit S.K.*
    Selective photoionization of lithium isotopes in hollow cathode lamp: A feasibility study for laser ion source and detector
    Applied Optics, Vol. 57, no. 23, p. 6808, Aug. 2018.
    https://doi.org/10.1364/AO.57.006808
  2. Raghuwanshi S. K., Kumar M., Prakash O.*
    Class modal analysis of a thin multi-trench-assisted liquid-filled optical waveguide coupler for simultaneous multi-sensing applications
    Appl Optics, Vol. 57, no. 20, p. 5614, Jul. 2018.
    https://doi.org/10.1364/AO.57.005614
  3. Laxmeshwar L.S. , Jadhav M.S. , Akki J.F. , Raikar P. , Kumar J.*, Prakash O.*, Mahakud R.*, Raikar U.S.
    Quantification of chloride and iron in sugar factory effluent using long period fiber grating chemical sensor
    Sensors and Actuators B, Vol. 258, p. 850, Apr. 2018.
    https://doi.org/10.1016/j.snb.2017.11.139
  4. Gambhir M., Gupta S., John P., Mahakud R.*, Kumar J.*, Prakash O.*
    Surface Modified Long Period Fiber Grating Sensor for Rapid Detection of Aspergillus Niger Fungal Spores
    Fiber and Integrated Optics, Vol. 37, no. 2, p. 79-91, Mar. 2018.
    https://doi.org/10.1080/01468030.2018.1450036

2017

  1. Saxena M.K.*, Raju S.D.V.S.J., Arya R.*, Pachori R.B., Kher S.*
    Instantaneous Area Based On-line Detection of Bend Generated Error in a Raman Optical Fiber Distributed Temperature Sensor
    IEEE Sensors Letters, Vol. 1, no. 1, p. 7000204 (1-4), 2017.
    http://ieeexplore.ieee.org/document/7979530/

  2. Kumar P.*, Saini V.K.*, Purbia G.S.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Hyperfine structure studies of neutral europium transitions at 601.815 and 580.027 nm by saturation absorption spectroscopy,
    Applied Optics, Vol. 56, no. 6, p. 1579-1584, Feb. 2017.
    https://doi.org/10.1364/AO.56.001579

  3. Kumar J., Prakash O., Mahakud R., Agrawal S.K., Dixit S.K., Nakhe S.V., Canning J.
    Wavelength independent chemical sensing using etched thermally regenerated FBG
    Sensors and Actuators B: Chemical, Vol. 244, p. 54-60, Jun. 2017.
    http://dx.doi.org/10.1016/j.snb.2016.12.128

  4. Kumar J., Prakash O., Mahakud R., Agrawal S.K., Mokhariwale A., Dixit S.K., Nakhe S.V.
    Studies on the Stability of Regenerated Fiber Bragg Gratings at 1100 ℃
    IEEE Xplore, Vol. WRAP2015, no. 1570213269, p. 1-4, Jan. 2017.
    http://dx.doi.org/10.1109/WRAP.2015.7805970

2016

  1. Saxena M.K.*, Raju S.D.V.S.J., Arya R.*, Pachori R. B., Ravindranath S.V.G., Kher S.*, Oak S. M.
    Empirical mode decomposition-based detection of bend-induced error and its correction in a Raman optical fiber distributed temperature sensor
    IEEE Sensors Journal, Vol. 16, no. 5, p. 1243-1252, 2016.
    http://ieeexplore.ieee.org/document/7323793/

  2. Kumar J., Prakash O., Agrawal S.K., Mahakud R., Mokhariwale A., Dixit S.K., Nakhe S.V.
    Distributed fiber Bragg grating sensor for multipoint temperature monitoring up to 500 ℃ in high-electromagnetic interference environment
    Optical Engineering (Letters), Vol. 55, no. 9, p. 090502-1 to 4, Sep. 2016.
    http://dx.doi.org/10.1117/1.OE.55.9.090502

  3. Mishra G. K., Kumar A., Prakash O., Biswal R., Dixit S. K., Nakhe S.V.
    Linewidth of a high pulse repetition rate (~20 kHz) class dye laser
    Laser Physics, Vol. 26(1), Art. No. 015003, 1-8 (2016).

2015

  1. Saxena M.K.*, Raju S.D.V.S.J., Arya R.*, Pachori R.B., Ravindranath S.V.G., Kher S.*, Oak S. M.
    Raman optical fiber distributed temperature sensor using wavelet transform based simplified signal processing of Raman backscattered signals
    Optics & Laser Technology (Elsevier), Vol. 65, p. 14-24, 2015.

  2. Saxena M.K.*, Raju S.D.V.S.J., Arya R.*, Pachori R. B., Ravindranath S.V.G., Kher S.*, Oak S. M.
    Empirical mode decomposition based dynamic error correction in SS covered 62.5/125 µm optical fiber based distributed temperature sensor
    Optics & Laser Technology (Elsevier), Vol. 67, p. 107-118, 2015.

  3. Saini V.K., Kumar P., Dixit S.K., Nakhe S.V.
    Studies on laser-assisted Penning ionization by the optogalvanic effect in Ne/Eu hollow cathode discharge
    Applied Optics, Vol. 54(4),595-602, (2015).

  4. Mishra G.K., Kumar A., Prakash O., Biswal R., Dixit S.K., Nakhe S.V.
    Flow and thermal characteristics of high Reynolds number (2800-17000) dye
    Applied Optics, Vol. 54(11), p. 3106-3114, (2015).

  5. Mishra G.K., Kumar A., Sharma S.K., Singh A., Prakash O., Mukhopadhyay P.K., Bindra K.S., Dixit S.K., Nakhe S.V.
    Study of output power of very high pulse repetition rate (18 kHz) dye laser pumped by frequency doubled diode pumped Nd:YAG laser ( λ532 nm)
    Laser Physics, Vol. 25, no. 055001, p. 7, (2015).

  6. Tiwari G., Shukla P., Mishra R.K., Shrivastava V.K., Khare R., Nakhe S.V.
    Effect of addition of hydrogen to neon buffer gas of copper bromide vapor laser on its spectral and temporal characteristics
    Optics Communications, 338, p. 322-327, (2015).

  7. Biswal R., Agrawal P. K., Dixit S. K., Nakhe S. V.
    Generation of 1.5 W average power, 18 kHz repetition rate coherent mid-ultraviolet radiation at 271.2 nm
    Applied Optics 54 (32), 9613-9621 (2015).

  8. Kumar J., Mahakud R., Kumbhakar U., Prakash O., Dixit S. K., Nakhe S. V.
    Analysis of experimental results on the adulteration measurement by an etched fiber Bragg grating sensor
    Optik - International Journal for Light and Electron Optics 126 (24), 5698-5702 (2015)

  9. Kumar P., Saini V. K., Purbia G. S., Prakash O., Dixit S. K., Nakhe S. V.
    Saturation Absorption Spectroscopy of Lithium in Hollow Cathode Lamp
    Advanced Science Letters 21 (8), 2548-2550 (2015).

  10. Mahakud R., Kumar J., Prakash O., Dixit S. K., Nakhe S. V.
    FBG inscription by a biprism interferometer: Analysis and experiment
    Applied Phys. B 121 (3), 283-295 (2015).

  11. Mishra R. K., Raju D. V. S., Nakhe S. V.
    Note: A novel and robust circuit for jitter reduction in copper vapor laser system
    Review of Scientific Instruments 86, 116107 (1-3) (2015).

  12. Saini V. K., Kumar P., Sarangpani K. K., Dixit S. K., Lala A., Nakhe S. V.
    Studies on Pulsed and CW Optogalvanic Effects in In-House Developed See-Through Lithium Hollow Cathode
    Advanced Science Letters 21(8), 2609-2612 (2015).

  13. Talwar S., Subrahmanyam V. V., Saini V. K., Sarangpani K. K., Nakhe S. V.
    Development of Time of Flight Mass Spectrometer for Studies on Lithium Isotopes
    Advanced Science Letters 21 (8), 2556-2560 (2015).

2014

  1. Saxena M.K.*, Raju S.D.V.S.J., Arya R.*, Ravindranath S.V.G., Kher S.*, Oak S. M.
    Optical fiber distributed temperature sensor using short term Fourier transform based simplified signal processing of Raman signals
    Measurement (Elsevier), Vol. 47, p. 345-355, 2014.

  2. Saxena M.K.*, Raju S.D.V.S.J., Arya R.*, Ravindranath S.V.G., Kher S.*, Oak S. M.
    Microcontroller based Raman optical fiber distributed temperature sensor and alarm system
    Journal of the Instrument Society of India, Vol. 44, no. 1, p. 28-31, 2014.

  3. Kumar J., Prakash O., Mahakud R., Agrawal S. K., Dixit S. K., Nakhe S. V.
    On the role of Ge-doping concentration in the refractive index rollover and thermal annealing characteristics of type IIa fiber Bragg gratings
    Optical Engineering 53 (11), 1171031-6 (2014).

  4. Agrawal S. K., Nakhe S. V.
    Design and Development of Zero Voltage Switched Full Bridge 5 kW DC Power Supply
    International Journal of Engineering Research & Technology, Vol. 3 Issue 5, May-2014, pp 2012-2019.

  5. Biswal R., Agrawal P. K., Prakash O., Mishra G. K., Dixit S. K., Nakhe S. V.
    Studies on the spatial, spectral and energy characteristics of Copper-Hydrogen Bromide laser Radiations
    IEEE Journal of Quantum Electronics, Vol. 50, no. 2, p. 112-119, Feb. 2014.

  6. Khare R., Shukla P. K., Shrivastava V. K., Nakhe S. V.
    Spectral Characteristics of a ternary- mixture of dyes in a dye laser pumped by copper vapour laser
    Optics Communications, Vol.313, p299-302, Feb. 2014.

  7. Kumar J., Mahakud R., Mokhariwale A., Prakash O., Dixit S. K., Nakhe S. V.
    Studies on thermal regeneration and temperature stability of type-I FBGs written in Ge-B co-doped and Ge doped fibers by a kHz repetition rate nanosecond 255 nm beam
    Optics Communications, Vol. 320, p. 109-113, Jan. 2014.

  8. Kumar J., Mahakud R., Prakash O., Dixit S.K.
    HF-based clad etching of fibre Bragg grating and its utilization in concentration sensing of laser dye in dye ethanol solution
    PRAMANA- Journal of Physics, Vol. 82, no. 2, p. 265-269, Feb. 2014.

  9. Kumar P., Saini V.K., Purbia G.S., Prakash O., Dixit S.K., Nakhe S.V.
    Studies on inverse optogalvanic and Penning ionization effects in ytterbium and neon transitions in Yb- Ne hollow cathode lamp
    Optics Communications, Vol. 313, p. 42-48, Feb. 2014.

  10. Prakash O., Kumar J., Mahakud R., Agrawal S.K., Dixit S. K., Nakhe S. V.
    Enhanced Temperature (~800°C) Stability of Type-IIa FBG Written by 255 nm Beam
    IEEE Photonics Technology Letters, Vol. 26, no. 1, p. 93-95, Jan. 2014.

  11. Prakash O., Kumar J., Mahakud R., Kumbhakar U., Nakhe S. V., Dixit S. K.
    Development of tilted fibre Bragg gratings using highly coherent 255 nm radiation
    PRAMANA-Journal of Physics, Vol. 82, no. 2, p. 255-258, Feb. 2014.

  12. Saini V. K., Kumar P., Dixit S. K., Nakhe S. V.
    Studies on pulsed optogalvanic effect in Eu/Ne hollow cathode discharge
    Applied Optics, Vol. 53, no. 19, p. 4320-4326, Jun. 2014.

Conference Papers

2021

  1. G.N.Tiwari, Shrivastava V.K.*, Mishra R.K.*, Dixit S.K.*
    Studies on the high beam quality green and yellow radiation of a 40 W Copper Bromide Laser
    29th DAE-BRNS National Laser Symposium (NLS-29), SVVV, Indore, Feb., 2021

  2. Kumar J.*, Mahakud R.*, Kumar S.*, Kumbhakar U.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    High temperature chirped FBG fabrication by thermal stretching of regenerated FBG
    29th DAE-BRNS National Laser Symposium (NLS-29), Shri Vaishnav Vidyapeeth Vishwavidyalaya, Indore, Feb., 12-15, 2021

  3. Mahakud R.*, Kumar J.*, Chaubey S.*, Kumar S.*, Kumbhakar U.*, Prakash O.*, Dixit S.K.*
    Inscription of long period fiber grating near phase matching turning point by frequency doubled copper vapour laser
    29th DAE-BRNS National Laser Symposium (NLS-29), Shri Vaishnav Vidyapeeth Vishwavidyalaya, Indore , Feb., 12-15, 2021

  4. Shrivastava V.K.*, Mahakud R.*, Kumar J.*, Kumar S.*, Kumbhakar U.*, Prakash O.*, Dixit S.K.*
    Studies on the thermal behaviour of different resonant modes of a long period grating
    29th DAE-BRNS National Laser Symposium (NLS-29), Shri Vaishnav Vidyapeeth Vishwavidyalaya, Indore, Feb., 12-15, 2021

  5. Dubey V.K.*, Saxena P.*, Vivek G.*, Singh I.*, Kumar J.*, Prakash O.*, Dixit S.K.*, Arya R.*, Nakhe S.V.*
    Intensity referencing in fibre optics based temperature sensing
    29th DAE-BRNS National Laser Symposium (NLS-29), Shri Vaishnav Vidyapeeth Vishwavidyalaya, Indore, Feb., 12-15, 2021

  6. Chaubey S.*, Saxena M.K.*, Kishore J.*, Sahu T.K.*, Nair G.H.*, Prakash O.*, Dixit S.K.*
    Investigation of gamma radiation response of multimode graded index fiber in UV-VIS region for distributed dosimetry applications
    29th DAE-BRNS National Laser Symposium (NLS-29), Shri Vaishnav Vidyapeeth Vishwavidyalaya, Indore , Feb., 12-15, 2021

  7. Saini V.K.*, Tiwari G.*, Dixit S.K.*
    Three-Step Lithium Photoionization by Optogalvanic Spectroscopy
    29th DAE-BRNS National Laser Symposium (NLS-29), Shri Vaishnav Vidyapeeth Vishwavidyalaya, Indore, Feb., 12-15, 2021, p. On CD

2020

  1. Chaubey S.*, Saxena M.K.*, Sahu T.K.*, Nair G.H.*, Kher S.*, Dixit S.K.*
    Feasibility study of distributed optical fiber gamma radiation dose sensor
    28th DAE-BRNS National Laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. 121

  2. Saini V.K.*, Kumar K. , Dixit S.K.*
    Two-step photoionozation studies of lithium using thermionic diode
    28th DAE-BRNS National Laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. 98

  3. Kumar J.*, Kumar S.*, Jain R.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Studies on the thermal regeneration characteristics of chirped FBG
    28th DAE-BRNS National Laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. 125

  4. Dubey V.K.*, Saxena P.*, Bhattacharya K., Singh I.*, Kumar J.*, Saini P.K.*, Prakash O.*, Dixit S.K.*, Arya R.*, Nakhe S.V.*
    An Interrogator unit for FBG based single point temperature measurement
    28th DAE-BRNS National laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. 127

  5. Mahakud R.*, Kumar J.*, Kumbhakar U.*, Saini P.K.*, Kumar S.*, Prakash O.*, Dixit S.K.*
    Transient behaviour of spectrum of LPG inscribed in hydrogen loaded telecom fiber
    28th DAE-BRNS National laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. CP 11.13

  6. Saini P.K.*, Kumar S.*, Kumar J.*, Mahakud R.*, Purbia G.S.*, Prakash O.*, Dixit S.K.*
    Graphene Oxide Coated Tilted Fiber Bragg Grating Sensor for Refractive Index Measurement of Liquids
    28th DAE-BRNS National laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. CP 11.15

  7. Kumar S.*, Kumar J.*, Saini P.K.*, Mahakud R.*, Prakash O.*, Dixit S.K.*
    Simultaneous measurement of Temperature and Refractive index with Fiber Bragg Grating
    28th DAE-BRNS National laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. CP 11.16

  8. Choudhary N., Kumar J.*, Kumar S.*, Saini P.K.*, Mahakud R.*, Prakash O.*, Dixit S.K.*
    Studies on the strain sensing characteristics of HF etched fiber Bragg grating
    28th DAE-BRNS National laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. CP 11.03

  9. Raghuwanshi S. K., Singh Y., Shadab A., Pandey P. S., Prakash O.*, Saini P.K.*
    Sensitivity analysis of TiO2 coated fibre Bragg grating sensor for far infrared detection of chemicals
    SPIE, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XX , San Francisco, California, United States, Feb., 1-2, 2020, p. 1123306

  10. Jadhav M. S., Bennal A., Mastiholi B., Lalasangi A., Kulkarni V., Kumar J.*, Prakash O.*, U. S. Raikar
    Highly sensitive fiber grating chemical sensors for detection of contaminants in water
    28th DAE-BRNS National laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. On CD

  11. Jadhav M. S., Mastiholi B., Lalasangi A., Kulkarni V., Kumar J.*, Prakash O.*, Raikar U. S.
    Sensitivity enhancement in grating sensors using CuO nanoparticles for temperature measurement
    28th DAE-BRNS National laser Symposium (NLS-28), VIT, Chennai, Jan., 8-11, 2020, p. On CD

2019

  1. Kumar J.*, Singh G., Saxena M.K.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Design and Development of FBG based Temperature Sensor for Radiation Environment in Nuclear Fuel Cycle Facilities
    22nd National Symposium on Radiation Physics (NSRP-22), Jawaharlal Nehru University (JNU), New Delhi, Nov., 8-10, 2019, p. On CD

2018

  1. Biswal R.*, Mishra G.K.*, Agrawal S.K.*, Dixit S.K.*, Nakhe S.V.*
    Studies on the effects of ethane concentration in a diode pump alkali (rubidium) laser
    27th DAE-BRNS National laser Symposium (NLS-27), RRCAT, Indore, Dec., 03-06, 2018, p. CP 1.39
  2. Kumar J.*, Kumar S.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Studies on the Effect of 1 MGy Radiation Dose on the Performance of FBG Temperature Sensors
    Photonics 2018: The International Conference on Fiber Optics and Photonics, Indian Institute of Technology (IIT) Delhi, New Delhi, Dec., 12-15, 2018, p. T2D.4

  3. Saini V.K.*, Sreerag C.T., Saleem S.*, Khare R.*, Dixit S.K.*
    Development of a heat-pipe for laser spectroscopy
    27th DAE-BRNS National laser Symposium (NLS-27),, RRCAT, Indore, Dec., 3-6, 2018, p. 131

  4. Kumar J.*, Agrawal S.K.*, Kumar K.V.*, Mahakud R.*, Kumbhakar U.*, Yadav D.P.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Development of FBG based distributed sensor system for temperature profile monitoring of dipole chamber of Indus-2
    27th DAE-BRNS National laser Symposium (NLS-27), RRCAT, Indore, Dec., 3-6, 2018, p. 51

  5. Kumar S.*, Kumar J.*, Agrawal A. K., Singh B.*, Purbia G.S.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Effect of synchrotron X-ray radiation on fiber Bragg gratings written in hydrogen loaded telecommunication and Erbium doped fiber
    27th DAE-BRNS National laser Symposium (NLS-27), RRCAT, Indore, Dec., 3-6, 2018, p. 51

  6. Mahakud R.*, Kumar J.*, Kumbhakar U.*, Prakash O.*, Dixit S.K.*
    Thermal characterisation of long period fiber gratings written by 255 nm UV beam
    27th DAE-BRNS National laser Symposium (NLS-27), RRCAT, Indore, Dec., 3-6, 2018, p. 52

  7. Saini P.K.*, Kumar J.*, Kumar S.*, Purbia G.S.*, Kumbhakar U.*, Prakash O.*, Dixit S.K.*
    Studies on the detection of petrol adulteration using tilted fiber Bragg grating
    27th DAE-BRNS National laser Symposium (NLS-27)\, RRCAT, Indore, Dec., 3-6, 2018, p. 51

  8. Kishore J.*, Saxena M.K.*, Kumar S.*, Mahakud R.*, Kher S.*, Dixit S.K.*
    Development of a fiber Bragg grating based stand-alone strain measurement system for cryogenic environment
    27th DAE-BRNS National laser Symposium (NLS-27), RRCAT, Indore, Dec., 3-6, 2018, p. 150

2017

  1. Mahakud R.*, Kumbhakar U.*, Kumar S.*, Kumar J.*, Prakash O.*, Dixit S.K.*
    Fiber Bragg gratings for cryogenic temperature sensing
    26th DAE-BRNS National laser Symposium (NLS-26), Mumbai, Dec., 20-23 , 2017, p. 141

  2. Mishra G.K.*, Sharma S.K.*, Singh A.*, Mukhopadhyay P.K.*, Biswal R.*, Prakash O.*, Dixit S.K.*, Bindra K.S.*, Nakhe S.V.*
    Comparative studies on the performance of dye laser pumped by copper vapour laser and diode pumped solid state green laser
    26th DAE-BRNS National laser Symposium (NLS-26), BARC, Mumbai, Dec., 20-23, 2017, p. CP 1.31

  3. Biswal R.*, Mishra G.K.*, Agrawal S.K.*, Dixit S.K.*, Nakhe S.V.*
    Design & demonstration of a diode pump alkali (rubidium) laser at λ ~ 795 nm
    26th DAE-BRNS National laser Symposium (NLS-26), BARC, Mumbai, Dec., 20-23, 2017, p. CP 1.21

  4. Chaubey S.*, Mittal M., Sharma R.K.*, Kher S.*, Dixit S.K.*
    Investigation of rare earth doped double clad fibers and long period fiber gratings: Applications for fiber laser and radiation dosimetry
    26th DAE-BRNS National laser Symposium (NLS-26), Mumbai, Dec., 20-23 , 2017, p. 36

  5. Saini V.K.*, Talwar S.*, Sarangpani K.K., Dixit S.K.*
    Studies on laser induced selective isotopes photoionization of lithium using in-house developed time of flight mass-spectrometer
    26th DAE-BRNS National laser Symposium (NLS-26), Mumbai, Dec., 20-23 , 2017, p. 103

  6. Saini P.K.*, Saini V.K.*, Purbia G.S.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Studies on lithium excited state transition at 610.4 nm in a hollow cathode discharge
    26th DAE-BRNS National laser Symposium (NLS-26), Mumbai, Dec., 20-23 , 2017, p. 99

  7. Kumar J.*, Agrawal S.K.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Development of high Temperature (~900 degree C) distributed fiber Bragg grating sensor
    26th DAE-BRNS National laser Symposium (NLS-26), Mumbai, Dec., 20-23 , 2017, p. 36

  8. Saini P.K.*, Kumar S.*, Kumar J.*, Prakash O.*, Dixit S.K.*
    Fuel adulteration sensing using etched fiber Bragg grating sensor
    26th DAE-BRNS National laser Symposium (NLS-26), Mumbai, Dec., 20-23 , 2017, p. 120

Books/ Book Chapters/ Edited Volumes

2019

  1. Distributed, Advanced Fiber Optic Sensors,
    Kher S.*, Saxena M.K.*
    In Applications of optical fibers for sensing,
    Eds. Christian Cuadrado-Laborde,
    IntechOpen (https://doi.org/10.5772/intechopen.83622), ISBN: 978-1-78985-351-3, Vol. 2019, 1-27, (2019)

  2. S. Kher and M. K. Saxena,
    ‘Distributed, advanced fiber optic sensors –Book in Hindi,’ Amazon Kindle Edition.
    Available on www.amazon.in at following URL: https://www.amazon.in/gp/product/B081QJ2FMK?pf_rd_p=649eac15-05ce-45c0-86ac-3e413b8ba3d4&pf_rd_r=N69J5C5BE1TKZGCFPD07

2010

  1. Development of 15-27 KHz repetition rate, 30W-60W average power CuHBrID laser,
    Biswal R.*, Agrawal P.K.*, Nakhe S.V.*, Dixit S.K.*, Mittal J.K.*
    In Laser and Bose Einstein Condensation Physics,
    Eds. Dr. Man Mohan, Anil Kumar, Aranya B. Bhattacherjee, Anil Kumar Razdan,
    Narosa publishing house, New Delhi, 149-160, (2010)

2002

  1. Dixit S.K.*
    In Advances in laser and optics research,
    Eds. Ed. W.T. Arkin,
    Nova Science Publishers, Inc. Huntington NY, 85-96, (2002)

2001

  1. Time resolved studies on the single pulse characteristics of a copper vapor laser with different resonators and their impact on second harmonic generation and dye laser pumping,
    Prakash O.*, Dixit S.K.*, Vora H.S.*, Shenoy N.M.*, Bhatnagar R.*
    In Advances in laser and optics research,Eds. W.T. Lavworth,
    Nova Science Publishers Inc., Huntington, NY, Vol. 1, 164-186, (2001)

  2. Filterng Resonators,
    Dixit S.K.*, Prakash O.*, Talwar S.*, Bhatnagar R.*
    In Generaised diffraction filtered resonator (GDFR) Copper Vapour lasers and it's applications: A study,
    Eds. S.K. Dixit,
    Nova Science Publishers Inc, Huntington, NY, (2001)

  3. Filtering resonators: A historical perspective,
    Dixit S.K.*
    In Filtering resonators,
    Eds. S.K. Dixit,
    Nova Science Publishers, Inc. Huntington NY, 1-12, (2001)

  4. Filterng Resonators,
    Dixit S.K.*, Shukla P.K., Shenoy N.M.*, Bhatnagar R.*
    In A study on the filtering resonators for small cross - section (dye) laser: Mode analysis and experimental results,
    Eds. S.K. Dixit,
    Nova Science Publishers Inc., Huntington, NY, (2001)

1996

  1. Advances in unstable resonator technology for pulsed metal vapor lasers,
    Bhatnagar R.*, Dixit S.K.*, Shukla P.*, Singh B.*, Mittal J.K.*
    In Pulsed metal vapor Lasers,
    Eds. C.E. Little and N.V. Sabotinov,
    Kluwer Academic Publishers, 255-162, (996)

Internal Reports/ Magazine/ Bulletin

2020

  1. Biswal R.*, Mishra G.K.*, Agrawal S.K.*, Dixit S.K.*, Nakhe S.V.*
    Feasibility studies on design and development of diode pump alkali laser (DPAL) at RRCAT,
    RRCAT Internal Report, Vol. RRCAT/2020-01, January, 2020.

2018

  1. Kumar J.*, Agrawal S.K.*, Prakash O.*, Dixit S.K.*, Nakhe S.V.*
    Development of high Temperature (~900 degree C) distributed fiber Bragg grating sensor,
    Kiran-A bulletin of the Indian Laser Association, Vol. 29, no.1, p. 36-44 , April , 2018.

2017

  1. Parkash O.*
    Fibre Bragg grating fabrication and their utilization for sensor development,
    Kiran-A bulletin of the Indian Laser Association, Vol. 28, no.3, p. 60-76 , Dec , 2017.

2015

  1. Kumar J.*, Agrawal S.K.*, Prakash O.*
    Development of fiber Bragg grating (FBG) based distributed temperature sensor,
    RRCAT News Letter, Vol. 28, no.2, p. L-4, 18, September, 2015

  2. Mahakud R.*
    Fiber Bragg Gratings written by second harmonic of copper vapour laser,
    RRCAT News Letter, Vol. 28, no.2, p. T:3, 47-56, September, 2015.

2014

  1. Saxena M. K.* Arya R.*, Kher S.*
    Wavelet based distributed temperature sensor with improved performance
    RRCAT News Letter, Vol. 27, no.1, p. L-7, April, 2014.

2013

  1. Prakash O.*, Kumar J.*
    Studies on Fiber Bragg Grating (FBG) for chemical sensing, RRCAT Newsletter,
    Vol. 26, no.1, p. 28, 2013.

2012

  1. Prakash O.*, Mahakud R.*, Kumar J.*, Dixit S.K.*, Nakhe S.V.*
    Development of Narrow Line-Width Tunable UV Radiation Source based on Second Harmonic of CVL Pumped Dye Laser,
    RRCAT Newsletter, Vol. 25,, no.1,, p. 21, , 2012.

  2. Saini V.K.*, Saini P.K.*, Agrawal S.K.*, Mokhariwale A.*, Dixit S.K.*, Nakhe S.V.*
    Isotopically selective OG spectroscopy of Europium using CW Ring dye laser,
    RRCAT Newsletter, Vol. 25, no. 2,, p. 25, , 2012.

2011

  1. Kumar J.*, Mahakud R.*, Prakash O.*, Dixit S.K.*, Mittal J.K.*
    Studies on Copper vapour laser pumped narrow line-width Rh110 dye laser,
    RRCAT Newsletter, Vol. 2011, no. 1,, p. 12-13,, January , 2011.

  2. Dixit S.K.*
    High repetition rate, narrow line-width, tunable dye laser activity at RRCAT,
    RRCAT Newsletter, Vol. 24, no.1, p. 33-42, 2011.

2002

  1. Dixit S.K.*, Prakash O.*
    Resonators for high power industrial lasers,
    Kiran-A bulletin of the Indian Laser Association, April, 2002.

Invited talks

2021

  1. Kumar J.*
    Invited talk on Fiber Bragg Grating: A Versatile Sensor
    National Conference on Recent Advances in Physics , RRC, Alwar, Rajasthan, Oct., 29-30, 2021, p. Online

  2. Invited talk by Dr. Om Prakash
    on ‘Fiber grating sensors: Development to field deployment’ in Online ATAL FDP on "Photonics" from 01-05 February 2021,
    organized by National Institute of Technology, Surathkal, Karnataka.

2020

  1. Invited talk by Dr. S. K. Dixit
    on ‘Fiber optic sensor activity at RRCAT- Technology development to field deployment’ in
    28th DAE BRNS National Laser Symposium (NLS-28) held at Vellore Institute of Technology (VIT), Chennai during Jan 8-11, 2020.

  2. Invited talk by Dr. S. K. Dixit
    on ‘Fiber optic sensors: Research and development’ in
    5th IEEE International Conference on Emerging Electronics (IEEE+ICEE-2020) held at Indian Institute of Technology (IIT), Chennai on Nov 26, 2020.

  3. Invited talk by Dr. Om Prakash
    on ‘Fiber grating sensors and their applications’ in
    IEEE Workshop on Advances in Nanophotonic devices & Sensors-2020’ from 07-11 December 2020, organized by National Institute of Technology, Surathkal, Karnataka.

2017

  1. Invited talk by Dr. Om Prakash
    on ‘Fiber Bragg gratings fabrication and their utilization for sensor development’ in
    26th DAE BRNS National Laser Symposium (NLS-26) held at BARC, Mumbai in December 2017.

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