Color separation gratings for diverting the unconverted light away from the NIF target

Sham N. Dixit; Michael C. Rushford; Ian M. Thomas; Steve M. Herman; Jerald A. Britten; Bruce W. Shore; Michael D. Perry

doi:10.1117/12.294333

8 December 1997 Color separation gratings for diverting the unconverted light away from the NIF target

Sham N. Dixit, Michael C. Rushford, Ian M. Thomas, Steve M. Herman, Jerald A. Britten, Bruce W. Shore, Michael D. Perry

Proceedings Volume 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference; (1997) https://doi.org/10.1117/12.294333
Event: Second International Conference on Solid State Lasers for Application to ICF, 1996, Paris, France

Abstract

Most of the glass laser based inertial confinement fusion systems around the world today employ non-linear frequency conversion for converting the 1.053 pm light at the fundamental frequency (referred to as 1o light) to either its second harmonic (called 2o) at 527 nm or to its third harmonic (called 3w) at 351 nm. Shorter wavelengths are preferred for laser fusion because of the improved coupling of the laser light to the fusion targets due to reduced fast electron production at shorter wavelengths. The frequency conversion process, however, is only about 60-70% efficient and the residual 30-40% of the energy remains at la) and 2w frequencies.

Citation Download Citation

Sham N. Dixit, Michael C. Rushford, Ian M. Thomas, Steve M. Herman, Jerald A. Britten, Bruce W. Shore, and Michael D. Perry "Color separation gratings for diverting the unconverted light away from the NIF target", Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); https://doi.org/10.1117/12.294333

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