Diffractive beam samplers for large-aperture beam diagnostics

Thomas H. Bett; I. C. Smith

doi:10.1117/12.354157

23 July 1999 Diffractive beam samplers for large-aperture beam diagnostics

Thomas H. Bett, I. C. Smith

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354157
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

Abstract

Diffractive beam samplers have been employed for some time on the HELEN laser at AWE. The phase gratings combine two functions viz. sampling and focusing in one element. The weak phase modulation generates low power diagnostic beams from which energy measurements have been made. This paper reports on further beam characterization measurements of the imaging properties of these components by recording far field and near field intensity distributions of beams up to 200mm diameter.

Citation Download Citation

Thomas H. Bett and I. C. Smith "Diffractive beam samplers for large-aperture beam diagnostics", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354157

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