Multi-terawatt frequency doubling of picosecond pulses for plasma interactions

David Neely; Colin N. Danson; Ric M. Allott; F. Amiranoff; E. L. Clark; Chris E. Clayton; J. L. Collier; A. E. Dangor; A. Djaoui; Christopher B. Edwards; P. S. Flintoff; Daniel Francis Gordon; P. Hatton; Mark Harman; M. H. R. Hutchinson; K. Krushelnick; G. Malka; Victor Malka; A. Modena; Z. Najmudin; David A. Pepler; Ian N. Ross; M. Salvati; M. Santala; M. Tatarakis; M. Trentelman; T. B. Winstone

doi:10.1117/12.354154

23 July 1999 Multi-terawatt frequency doubling of picosecond pulses for plasma interactions

David Neely, Colin N. Danson, Ric M. Allott, F. Amiranoff, E. L. Clark, Chris E. Clayton, J. L. Collier, A. E. Dangor, A. Djaoui, Christopher B. Edwards, P. S. Flintoff, Daniel Francis Gordon, P. Hatton, Mark Harman, M. H. R. Hutchinson, K. Krushelnick, G. Malka, Victor Malka, A. Modena, Z. Najmudin, David A. Pepler, Ian N. Ross, M. Salvati, M. Santala, M. Tatarakis, M. Trentelman, T. B. Winstone

Author Affiliations +

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354154
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

Abstract

Frequency doubling a large aperture sub ps, chirped pulse amplified (CPA) 1053 nm beam for laser matter interaction studies was investigated at the Central Laser Facility. Efficiencies > 50 percent were achieved using a 4 mm thick KDP crystal to convert a 140 X 89 mm 700 fs beam. Measurements of the 527 nm beam's focal spot quality when the doubling crystal was driven at high intensities 200 GWcm^-2 are presented. Using data from 2 and 4 m thick 25 mm diameter test crystals, the optimum crystal thickness in terms of conversion efficiency is reviewed for 1053 nm CPA systems in the 0.3-3 ps region and options for fourth harmonic production discussed.

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David Neely, Colin N. Danson, Ric M. Allott, F. Amiranoff, E. L. Clark, Chris E. Clayton, J. L. Collier, A. E. Dangor, A. Djaoui, Christopher B. Edwards, P. S. Flintoff, Daniel Francis Gordon, P. Hatton, Mark Harman, M. H. R. Hutchinson, K. Krushelnick, G. Malka, Victor Malka, A. Modena, Z. Najmudin, David A. Pepler, Ian N. Ross, M. Salvati, M. Santala, M. Tatarakis, M. Trentelman, and T. B. Winstone "Multi-terawatt frequency doubling of picosecond pulses for plasma interactions", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354154

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KEYWORDS

Crystals

Laser crystals

Picosecond phenomena

Second-harmonic generation

Pulsed laser operation

Laser systems engineering

Diffraction

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