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27 May 1998 Closed-loop wavefront correction of Ti:sapphire chirped pulse amplification laser beam
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Abstract
We developed a technique to compensate the wavefront distortion of ultra-short pulse Chirped Pulse Amplification (CPA) laser by applying a closed loop wavefront control system consisting of a Shack-Hartmann type wavefront sensor and Bimorph type deformable mirror. As a result of the experiments both Root Mean Square (RMS) and Peak to Valley (P-V) value of the wavefront distortion were reduced to less than 1/5 of the original value, and it was shown that the brightness of laser beam was improved by about five times.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Katsuaki Akaoka, Sayaka Harayama, Kazuyoku Tei, Yoichiro Maruyama, and Takashi Arisawa "Closed-loop wavefront correction of Ti:sapphire chirped pulse amplification laser beam", Proc. SPIE 3265, Solid State Lasers VII, (27 May 1998); https://doi.org/10.1117/12.308675
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