Saumyabrata Banerjee, Paul Mason, Jonathan Phillips, Jodie Smith, Thomas Butcher, Jacob Spear, Mariastefania De Vido, Gary Quinn, Danielle Clarke, Klaus Ertel, Cristina Hernandez-Gomez, Chris Edwards, John Collier. Pushing the boundaries of diode-pumped solid-state lasers for high-energy applications[J]. High Power Laser Science and Engineering, 2020, 8(2): 02000e20
- High Power Laser Science and Engineering
- Vol. 8, Issue 2, 02000e20 (2020)
Fig. 1. 3D model of D100X laser showing FE 
front end; BT 
beam transport; PA 
room-temperature pre-amplifier (1 
Yb:CaF2 regenerative, 2 
Yb:YAG multi-pass); MA 
main cryogenic amplifier (1 
stage 1, 2 
stage 2); CGC 
cryogenic gas coolers; D 
940 nm diode pumps (1 & 2 for MA-1, 3 & 4 for MA-2). The inset shows the far-field image recorded at 105 J, 10 Hz operation.
front end; BT beam transport; PA room-temperature pre-amplifier (1 Yb:CaF2 regenerative, 2 Yb:YAG multi-pass); MA main cryogenic amplifier (1 stage 1, 2 stage 2); CGC cryogenic gas coolers; D 940 nm diode pumps (1 & 2 for MA-1, 3 & 4 for MA-2). The inset shows the far-field image recorded at 105 J, 10 Hz operation. 
Fig. 2. (a) Example of automatic pulse shaping capability of the D100X laser for achieving a flat-top temporal profile at
75 J, 10 Hz operation;(b) long-term stability over 6 h at 10 Hz.
75 J, 10 Hz operation;(b) long-term stability over 6 h at 10 Hz. 
Fig. 3. (a) Output energetics, experimentally measured (circle) and numerically calculated (dotted lines); (b) long-term operation at 150 J, 1 Hz, and the inset shows the near-field profile at 150 J, 1 Hz operation; (c) temporal profile of the front end (FE), main-amplifier 1 (MA1) and main-amplifier 2 (MA2) during 150 J, 1 Hz operation.
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Table 1. D100X laser system performance at different temperatures, seed and pump inputs.
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