Photorecorder of pulsed-periodic IR radiation based on the ionization chamber

Yuri N. Sheremetev; Sergei I. Antipov; Vladimir V. Egorov; Valeri P. Lazarchuk; Vladimir V. Mis'ko; Vasili M. Murugov

doi:10.1117/12.273478

28 May 1997 Photorecorder of pulsed-periodic IR radiation based on the ionization chamber

Yuri N. Sheremetev, Sergei I. Antipov, Vladimir V. Egorov, Valeri P. Lazarchuk, Vladimir V. Mis'ko, Vasili M. Murugov

Proceedings Volume 2869, 22nd International Congress on High-Speed Photography and Photonics; (1997) https://doi.org/10.1117/12.273478
Event: 22nd International Congress on High-Speed Photography and Photonics, 1996, Santa Fe, NM, United States

Abstract

A new high-speed photorecorder, ITMGT-device (ionization type magnifying glass of time), is presented which unlike the well-known analogs operates in a wide spectral range of 1.3 - 10.6 micrometers and is intended to record frame by frame the beam structure of laser IR radiation. ITMGT has a wide dynamic range (not less than 300) and high sensitivity (10^-4 - 10^-5 J/cm²) in a wide spectral region. It provides frame recording with an exposure length of a frame of 10 - 50 microsecond(s) , framing rate up to 100 Hz, and up 100 frames for one recording cycle. It was successfully used to measure divergence and energy density distribution at the end of pulsed and pulsed-periodic IR lasers, in facilities for laser isotope separation and also in development of new industrial technologies for processing, welding, and cutting of materials with the help of high- power laser radiation.

Citation Download Citation

Yuri N. Sheremetev, Sergei I. Antipov, Vladimir V. Egorov, Valeri P. Lazarchuk, Vladimir V. Mis'ko, and Vasili M. Murugov "Photorecorder of pulsed-periodic IR radiation based on the ionization chamber", Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); https://doi.org/10.1117/12.273478

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