Decoupling nonlinear optical elements for powerful iodine laser

Leonid M. Vinogradsky; V. A. Kargin; V. A. Krotov; Serge K. Sobolev; N. V. Jidkov; Vitaly M. Mizin; Mikhail V. Pyatakhin; Yuri V. Senatsky; Iosif G. Zubarev

doi:10.1117/12.417718

2 March 2001 Decoupling nonlinear optical elements for powerful iodine laser

Leonid M. Vinogradsky, V. A. Kargin, V. A. Krotov, Serge K. Sobolev, N. V. Jidkov, Vitaly M. Mizin, Mikhail V. Pyatakhin, Yuri V. Senatsky, Iosif G. Zubarev

Author Affiliations +

Proceedings Volume 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control; (2001) https://doi.org/10.1117/12.417718
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

High contrast fast switch of transmission in optical channels of iodine laser facilities is supplied with liquid bleachable dye cells. New dye cell designs which combine the functions of an optical shutter and a soft diaphragm are considered. 70 - 100 mm in diameter cell-apodizers of two types (with profiled absorbing liquid layer and profiled transmission of optical components) are developed. Cells with profiled absorbing layer contain meniscus-lens spacer, which cancels the optical power of the device. Cells with plane parallel liquid layer contain windows with profiled transmission. The laser shot-blasted technology for the surface and volume processing of the cell windows was used. For approximately equals 1% initial transmission at the laser beam axis the cells' bleaching reaches 70%, and the contrast ratio of the cells' transmission profile from the beam axis to the periphery may reach K approximately equals 1000. The application of high-aperture cell apodizers in the iodine laser optical channel will make it possible to eliminate the influence on the beam profile of the disturbances in a gaseous active medium at the periphery of amplifier modules caused by the open discharge used for pumping, and to form a smoothed spatial profile of the laser beam.

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Leonid M. Vinogradsky, V. A. Kargin, V. A. Krotov, Serge K. Sobolev, N. V. Jidkov, Vitaly M. Mizin, Mikhail V. Pyatakhin, Yuri V. Senatsky, and Iosif G. Zubarev "Decoupling nonlinear optical elements for powerful iodine laser", Proc. SPIE 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control, (2 March 2001); https://doi.org/10.1117/12.417718

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KEYWORDS

Liquids

Optical amplifiers

iodine lasers

Optical components

Channel projecting optics

Camera shutters

Glasses

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