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Proceedings Paper

One kilohertz cryogenic disk laser with high average power
Author(s): I. Mukhin; E. Perevezentsev; A. Vyatkin; O. Vadimova; O. Palashov; E. Khazanov
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Paper Abstract

Laser properties of Yb:YAG crystal are investigated at 80-300K temperature range. On cooling we obtained amplification cross-section increase (5 times), maximum amplification cross-section wavelength shift (from 1030.1 nm to 1029.3 nm) and amplification cross-section bandwidth narrowing (from ~ 10 nm to 1.3 nm). Thermooptical constants P and Q and a parameter of photoelastic anisotropy, that determine thermal distortions in the active element are measured. Significant influence of the ASE on the storied energy in disk active elements is shown. It is necessary to use Yb:YAG/YAG "sandwich" active element geometry to reduce ASE. The current status of the laser system development with 0.5 J output energy at 1 kHz repetition rate is presented. 0.1 J in 50 ns pulse at 200 Hz repetition rate are achieved at the output of the laser system. Projected results will be achieved by changing disk active elements to Yb:YAG/YAG "sandwiches".

Paper Details

Date Published: 9 June 2011
PDF: 13 pages
Proc. SPIE 8080, Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy, 80800B (9 June 2011); doi: 10.1117/12.886745
Show Author Affiliations
I. Mukhin, Institute of Applied Physics (Russian Federation)
E. Perevezentsev, Institute of Applied Physics (Russian Federation)
A. Vyatkin, Institute of Applied Physics (Russian Federation)
O. Vadimova, Institute of Applied Physics (Russian Federation)
O. Palashov, Institute of Applied Physics (Russian Federation)
E. Khazanov, Institute of Applied Physics (Russian Federation)


Published in SPIE Proceedings Vol. 8080:
Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy
Luis O. Silva; Leonida Antonio Gizzi; Joachim Hein; Georg Korn; Chris Edwards, Editor(s)

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