Laser Beam Sampling Gratings With Low Absorption And Specified Efficiency

J P. Laude; J. Flamand; V. Millet; D. Maystre; J. M. Lerner

doi:10.1117/12.941736

9 February 1987 Laser Beam Sampling Gratings With Low Absorption And Specified Efficiency

J P. Laude, J. Flamand, V. Millet, D. Maystre, J. M. Lerner

Proceedings Volume 0815, Application and Theory of Periodic Structures, Diffraction Gratings, and Moire Phenomena III; (1987) https://doi.org/10.1117/12.941736
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

A diffraction grating sampler to detect wavefront and phase emitted by a high energy laser at 10.6 µm was calculated and manufactured. The grating extracted a small fraction of the incident energy and reflected the rest like a mirror. The portion of the beam sampled was diffracted into the 1st order to a detector that operated a servo control of the wavefront phase and power.

Citation Download Citation

J P. Laude, J. Flamand, V. Millet, D. Maystre, and J. M. Lerner "Laser Beam Sampling Gratings With Low Absorption And Specified Efficiency", Proc. SPIE 0815, Application and Theory of Periodic Structures, Diffraction Gratings, and Moire Phenomena III, (9 February 1987); https://doi.org/10.1117/12.941736

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