Large-Scale, High-Efficiency Transmission Grating for Terawatt-Class Ti:Sapphire Lasers at 1 kHz

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Published 23 June 2011 • ©2011 The Japan Society of Applied Physics
, , Citation Chun Zhou et al 2011 Appl. Phys. Express 4 072701 DOI 10.1143/APEX.4.072701

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Author affiliations

1 Research Institute for Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan

2 Corporate R&D Headquaters, CANON Inc., Utsunomiya 321-3292, Japan

3 Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan

4 CREST, Japan Science and Technology Agency (JST), Chiyoda, Tokyo 102-0075, Japan

Dates

  1. Received 27 May 2011
  2. Accepted 7 June 2011
  3. Published

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Abstract

A novel transmission grating with a large scale (170 mm long, 40 mm high, and 1 mm thick) has been developed. The diffraction efficiency is over 93% and is almost flat from 750 to 850 nm. We developed a 1-kHz, 10-mJ, 0.5-TW Ti:sapphire laser system by using transmission gratings in a compressor. The throughput of the compressor was about 70%. The large-scale grating is capable of increasing the peak power up to multi-terawatts at 1 kHz.

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10.1143/APEX.4.072701