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Proceedings Paper

DiPOLE: A multi-slab cryogenic diode pumped Yb:YAG amplifier
Author(s): Saumyabrata Banerjee; Klaus Ertel; Paul Mason; Jonathan Phillips; Justin Greenhalgh; John Collier
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Paper Abstract

The Diode Pumped Optical Laser Experiments (DiPOLE) project at Central Laser Facility (CLF) is aimed at the development of scalable diode pumped, cryogenic gas cooled, multi-slab Yb:YAG amplifiers. Optimized designs for amplifiers capable of generating kJ pulse energies at multi-Hz repetition rate have been finalised and development of a scaled-down 10J, 10Hz prototype is currently underway at the CLF. We report on the recent results obtained on a 4-pass bowtie as well as 6-pass image relaying multi-pass setup for the DiPOLE amplifier. Additionally, Preliminary results for the amplifier performance with uniform doping (3 × 2at%) compared to gradient doping (2 × 1at% + 2 × 2at%) at cryogenic temperatures, confirms the multi-slab gradient doped design adopted for DiPOLE amplifier.

Paper Details

Date Published: 7 May 2013
PDF: 7 pages
Proc. SPIE 8780, High-Power, High-Energy, and High-Intensity Laser Technology; and Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers, 878006 (7 May 2013); doi: 10.1117/12.2016611
Show Author Affiliations
Saumyabrata Banerjee, STFC Central Laser Facility, Rutherford Appleton Lab. (United Kingdom)
Klaus Ertel, STFC Central Laser Facility, Rutherford Appleton Lab. (United Kingdom)
Paul Mason, STFC Central Laser Facility, Rutherford Appleton Lab. (United Kingdom)
Jonathan Phillips, STFC Central Laser Facility, Rutherford Appleton Lab. (United Kingdom)
Justin Greenhalgh, STFC Central Laser Facility, Rutherford Appleton Lab. (United Kingdom)
John Collier, STFC Central Laser Facility, Rutherford Appleton Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 8780:
High-Power, High-Energy, and High-Intensity Laser Technology; and Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers
Georg Korn; Joachim Hein; Luis Oliveira Silva, Editor(s)

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