Large-aperture, high-efficiency holographic gratings for high-power laser systems

J. Joseph Armstrong; Terrance J. Kessler

doi:10.1117/12.154488

1 May 1993 Large-aperture, high-efficiency holographic gratings for high-power laser systems

J. Joseph Armstrong, Terrance J. Kessler

Proceedings Volume 1870, Laser Coherence Control: Technology and Applications; (1993) https://doi.org/10.1117/12.154488
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

An inherently fringe stable interferometer, with uniform recording-plane exposure, produces transmission gratings with uniformly high efficiency. The surface-relief structures recorded in positive photoresist are ideal for their transfer into specialized candidate materials. These structures have many applications in high-power lasers including beam smoothing, pulse compression, and low-reflection surfaces. Also, accurate modeling of surface-relief grating efficiencies, using the actual groove profile, allows optimization of grating parameters.

Citation Download Citation

J. Joseph Armstrong and Terrance J. Kessler "Large-aperture, high-efficiency holographic gratings for high-power laser systems", Proc. SPIE 1870, Laser Coherence Control: Technology and Applications, (1 May 1993); https://doi.org/10.1117/12.154488

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