Presentation by Dr. V. C. Sahni, Director, RRCAT - Raja Ramanna ...

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Laser based cutting and welding of coolant channel bellow lips for en-masse coolant channel replacement (EMCCR) in Pressurized Heavy Water Reactors (PHWR) •Nd:YAG laser with fiber optic beam delivery and motorized fixture motion from E-face of coolant channel •Cutting time for one bellow lip is typically 5minutes welding of the bellow lip takes about 8minutes •This will bring down radiation dose <strong>by</strong> over a factor of 50 compared to standard cutting techniques
Diode-pumped High Power CW IR Laser Geometry – Gold-coated Flow tube Diode stacks – Linear, 3x50W (TM Polarized) Pump Module – 3x Diode stacks 120 °(Angular separation) Laser Type : Nd:YAG/1064nm Laser output : 200W, Multimode Diode pump power : 430W Optical-to-optical eff. : 46% Electrical-to-optical eff. : 23%(Highest reported) Applications: R&D, Medical and Industrial
Page 1 and 2: Activities of Centre for Advanced T
Page 3 and 4: First Office Order
Page 5 and 6: Our Synchrotron Radiation Sources I
Page 7 and 8: TL-1 TL-2 TL-3 Schematic view of In
Page 9 and 10: TL-1 700 MeV Booster Synchrotron
Page 11 and 12: Indus-1 Beam-lines : Monochromators
Page 13 and 14: High Resolution VUV Beamline at Ind
Page 15 and 16: PARAMETERS OF Indus-2 Maximum energ
Page 17 and 18: Main Dipole Magnet for Indus-2. Yok
Page 19 and 20: Indus-2 Dipole Power Supply One P/S
Page 21 and 22: Indus-2 Sextupole Magnet P/S Two P/
Page 23 and 24: Indus -2 RF Power System
Page 26 and 27: • Photon Absorber ‣To absorb un
Page 28 and 29: Beam Diagnostics …cont. Beam prof
Page 30 and 31: Subsystem Qualification and Install
Page 32 and 33: RF Cavities Commissioned in Indus-2
Page 34 and 35: TL-3 Joining on to Indus-2
Page 36 and 37: Indus-2 Ring WCM-3 *69.7 m WCM-2 *4
Page 39 and 40: Indus - 2 Team
Page 41 and 42: List of Beam-lines being built/desi
Page 43 and 44: 10MeV, 10kW Electron LINAC for food
Page 45 and 46: 12 MeV Microtron Given to Mangalore
Page 47: Industrial YAG Laser
Page 51 and 52: Ophthalmic Green Laser Diode-pumped
Page 53 and 54: Industrial Nd:YAG Lasers supplied b
Page 55 and 56: Applications of these High Power CO
Page 57 and 58: Laser Cooling and Trapping of Atoms
Page 59 and 60: Laser driven shock wave studies las
Page 61 and 62: BIOMEDICAL APPLICATIONS OF LASERS
Page 63 and 64: OPTICAL IMAGING DIFFUSIVE OUTPUT PU
Page 65 and 66: THE LANCET Oncology, Vol. 2, May 20
Page 67 and 68: BURN WOUND INFECTED WITH PSEUDOMONA
Page 69 and 70: Single crystal growth Programme
Page 71 and 72: Conversion efficiency 62% without a
Page 73 and 74: ZnS Dome for Seeker Missile ‘Nag
Page 75 and 76: DAE-CERN COLLABORATION 1991: DAE-CE
Page 77 and 78: Requirements of the PMPS Jacks (bei
Page 79 and 80: Cryo-magnet installation in the LHC
Page 81: Correcter Magnets for LHC Diploes
Page 85: Thank you

Presentation by Dr. V. C. Sahni, Director, RRCAT - Raja Ramanna ...

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