Distortion free pulse stretching and compression by chirped volume holographic gratings

Christophe Moser; Frank Havermeyer

doi:10.1117/12.842706

17 February 2010 Distortion free pulse stretching and compression by chirped volume holographic gratings

Christophe Moser, Frank Havermeyer

Proceedings Volume 7581, High Energy/Average Power Lasers and Intense Beam Applications IV; 75810E (2010) https://doi.org/10.1117/12.842706
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We have developed a novel method to correct the spatial distortion resulting from temporally stretching/compressing optical pulses with a chirped volume holographic grating (CVHG) in glass. We show that the inherent spatial beam distortion can be corrected to produce a distortion-free round beam output. We fabricated a 30 mm long CVHG with 9 nm bandwidth, 300 ps delay at 1031nm exhibiting a smooth round spatial Gaussian profile after compression. Coupling efficiencies for the compressed pulse exceeds 75% into a single mode fiber. The spatial profile is maintained over a wide temperature range from 10 to 60 degrees Celsius. We believe that the spatial beam profile improvements of CVHG demonstrate herein enables the practical realization of ultra-compact and efficient chirped pulse amplification laser systems.

Citation Download Citation

Christophe Moser and Frank Havermeyer "Distortion free pulse stretching and compression by chirped volume holographic gratings", Proc. SPIE 7581, High Energy/Average Power Lasers and Intense Beam Applications IV, 75810E (17 February 2010); https://doi.org/10.1117/12.842706

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