Abstract

A cylindrical Öffner stretcher based on ternary reflector (COSTER) is proposed and analyzed. Compared with the traditional Öffner stretcher, the COSTER has no off-axis aberration in the multipass configuration, and the output laser of COSTER has lower spectral phase noise and higher temporal contrast in the far field. The COSTER is quite suitable to be used in multi-petawatt laser facilities, and it might be the preferred stretcher configuration for ultrafast and ultra-intense lasers.

© 2023 Chinese Laser Press

Influence of optical surface distortion in a cylindrical Offner stretcher on the far-field signal-to-noise ratio

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Intracavity stretcher for chirped-pulse amplification in high-power laser systems

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Improvement in the temporal contrast in the tens of ps range of the multi-PW Apollon laser front-end

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