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Government of India | Department of Atomic Energy
Raja Ramanna Centre for Advanced Technology
Accelerator Magnet Technology Division

6. Magnets developed for other accelerator projects of RRCAT:

Few dipole magnets, solenoids and steering magnets have been successfully designed and developed as per the specifications for Low Energy Beam Transport (LEBT), Proton Linac, Synchrotron Radiation (SR) beam line experiments and Non-Evaporative Getter (NEG) coating facility at RRCAT.

(i) Magnets for LEBT, Proton Linac, RRCAT:

Fig. 78: Solenoids (T) & steering magnet (B) with support systems.
Fig. 78: Solenoids (T) & steering magnet (B) with support systems.


Fig. 79: Placement of solenoids and steering magnets in LEBT line of Proton Linac.
Fig. 79: Placement of solenoids and steering magnets in LEBT line of Proton Linac.


(ii) Dipole magnets for SR beam line experiments:

Two magnets one with fixed pole gap and other with variable pole gap dipole magnets have been designed and developed for SR beam line experiments.

Parameters of dipole magnets SR beam line experiments.
Fig. 80: Variable pole gap (L) and fixed pole gap dipole magnet (R).
Fig. 80: Variable pole gap (L) and fixed pole gap dipole magnet (R).


Fig. 81: Excitation current vs field in fixed pole gap dipole magnet.
Fig. 81: Excitation current vs field in fixed pole gap dipole magnet.


Fig. 82: Excitation current vs field in variable pole gap dipole magnet.
Fig. 82: Excitation current vs field in variable pole gap dipole magnet.


(iii) Solenoids for NEG coating facility, RRCAT:

Two water cooled solenoids, each of one-meter long, have been developed for NEG coating facility of RRCAT and the main parameters of the solenoids are given below.

Main parameters of the water cooled solenoids.
Fig. 83: Fabricated Solenoid-360 and Solenoid-250.
Fig. 83: Fabricated Solenoid-360 and Solenoid-250.


Fig. 84: Excitation current vs. measured axial magnetic field in the solenoids.
Fig. 84: Excitation current vs. measured axial magnetic field in the solenoids.


Fig. 85: Measured field uniformity in Solenoid-250.
Fig. 85: Measured field uniformity in Solenoid-250.


Fig. 86: Installed solenoid at NEG coating facility of RRCAT.
Fig. 86: Installed solenoid at NEG coating facility of RRCAT.

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