The application of cryogenic laser physics to the development of high average power ultra-short pulse lasers

DC Brown, S Tornegård, J Kolis, C McMillen, C Moore… - Applied Sciences, 2016 - mdpi.com
Ultrafast laser physics continues to advance at a rapid pace, driven primarily by the
development of more powerful and sophisticated diode-pumping sources, the development …

Cryogenic Yb3+-doped materials for pulsed solid-state laser applications

D Rand, D Miller, DJ Ripin, TY Fan - Optical Materials Express, 2011 - opg.optica.org
We review recent progress in pulsed lasers using cryogenically-cooled Yb^ 3+-doped gain
media, with an emphasis on high average power. Recent measurements of thermo-optic …

Conceptual design of sub-exa-watt system by using optical parametric chirped pulse amplification

J Kawanaka, K Tsubakimoto, H Yoshida… - Journal of Physics …, 2016 - iopscience.iop.org
A 50 PW ultrahigh-peak-power laser has been conceptually designed, which is based on
optical parametric chirped pulse amplification (OPCPA). A 250 J DPSSL and a flash-lamp …

Temperature dependence of thermo-optic effects of single-crystal and ceramic TGG

R Yasuhara, H Nozawa, T Yanagitani, S Motokoshi… - Optics express, 2013 - opg.optica.org
The temperature dependence of the thermo-optic effects in single crystal and ceramic TGG
were evaluated by using the Fizou interferometer method. The temperature dependence of …

Ion diffusion at the bonding interface of undoped YAG/Yb: YAG composite ceramics

K Fujioka, A Sugiyama, Y Fujimoto, J Kawanaka… - Optical Materials, 2015 - Elsevier
Cation diffusion across a boundary between ytterbium (Yb)-doped and undoped yttrium
aluminum garnet (YAG) ceramics was examined by electron microprobe analysis (EPMA) …

Laser-diode pumped efficient Yb: LuAG microchip lasers oscillating at 1030 and 1047 nm

J Dong, K Ueda, AA Kaminskii - Laser Physics Letters, 2010 - iopscience.iop.org
The performance of laser-diode end-pumped Yb: LuAG microchip lasers has been
investigated at ambient temperature without active cooling of the gain media. Efficient laser …

The current trends in SBS and phase conjugation

T Omatsu, HJ Kong, S Park, S Cha… - Laser and Particle …, 2012 - cambridge.org
The current trends in stimulated Brillouin scattering and optical phase conjugation are
overviewed. This report is formed by the selected papers presented in the “Fifth International …

Active-mirror-laser-amplifier thermal management with tunable helium pressure at cryogenic temperatures

A Lucianetti, D Albach, JC Chanteloup - Optics Express, 2011 - opg.optica.org
We illustrate the benefits of a thin, low pressure helium cell for efficient and safe heat
removal in cryogenically-cooled active mirror laser amplifiers operating in the [100 J-1 kJ]/[1 …

12 mJ Yb: YAG/Cr: YAG microchip laser

X Guo, S Tokita, J Kawanaka - Optics Letters, 2018 - opg.optica.org
We have developed a quasi-continuous wave diode end-pumped cryogenically cooled Yb:
YAG/Cr: YAG passively Q-switched microchip laser. A maximum energy of 12.1 mJ with 3.7 …

Zig-zag active-mirror laser with cryogenic Yb3+:YAG/YAG composite ceramics

H Furuse, J Kawanaka, N Miyanaga, T Saiki… - Optics …, 2011 - opg.optica.org
We report on a novel amplifier configuration concept for a 10 kW laser system using a zig-
zag optical path based on a cryogenic Yb: YAG Total-Reflection Active-Mirror (TRAM) laser …