High-dynamic-range measurement of the temporal contrast of ultrashort UV pulses

Karoly Osvay; Ian N. Ross; J. M. D. Lister; Chris J. Hooker

doi:10.1117/12.316577

14 July 1998 High-dynamic-range measurement of the temporal contrast of ultrashort UV pulses

Karoly Osvay, Ian N. Ross, J. M. D. Lister, Chris J. Hooker

Proceedings Volume 3423, Second GR-I International Conference on New Laser Technologies and Applications; (1998) https://doi.org/10.1117/12.316577
Event: Second GR-I International Conference on New Laser Technologies and Applications, 1997, Olympia, Greece

Abstract

This paper presents an experimental technique for measurement of the contrast ratio of ultrashort UV pulses. The multiple shot device based on the scheme of difference frequency generation is, to our knowledge, the only cross correlator in the UV so far, which offers a dynamic range of >= 10⁷ and operates with input pulse energies as low as 5 (mu) J. Changing the cross correlator into single shot mode, the temporal shape of the UV pulse can be measured.

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Karoly Osvay, Ian N. Ross, J. M. D. Lister, and Chris J. Hooker "High-dynamic-range measurement of the temporal contrast of ultrashort UV pulses", Proc. SPIE 3423, Second GR-I International Conference on New Laser Technologies and Applications, (14 July 1998); https://doi.org/10.1117/12.316577

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KEYWORDS

Optical correlators

Ultraviolet radiation

Crystals

Laser crystals

Nonlinear crystals

High dynamic range imaging

Picosecond phenomena

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