Laser source for DIRCM at CILAS

Bruno Crépy; Guillaume Closse; Sandrine Cussat-Blanc; Catherine Grèzes-Besset; Hélène Krol; Jean-Pierre Lemette; Marc Le Nevé; Jean-Michel Melkonian; Jean Montagne; Pierre Morin; Olivier Squaglia; Nathalie Valette

doi:10.1117/12.830182

25 September 2009 Laser source for DIRCM at CILAS

Bruno Crépy, Guillaume Closse, Sandrine Cussat-Blanc, Catherine Grèzes-Besset, Hélène Krol, Jean-Pierre Lemette, Marc Le Nevé, Jean-Michel Melkonian, Jean Montagne, Pierre Morin, Olivier Squaglia, Nathalie Valette

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Proceedings Volume 7483, Technologies for Optical Countermeasures VI; 74830G (2009) https://doi.org/10.1117/12.830182
Event: SPIE Security + Defence, 2009, Berlin, Germany

Abstract

We report on the development and characteristics of infrared solid state laser as compact and robust light sources for Directed Infrared Countermeasures (DIRCM). DIRCM against infrared missile seekers requires wavelength tunable laser sources. When adding an optical parametric oscillator to a pump laser source, it is possible to cover the 2-5 μm wavelength transmission windows. For more than five years, CILAS has developed critical technologies for the development of a laser source adapted for DIRCM application. This includes: The choice of the crystals, the optical coatings in band II, the thermal management and an optimized oscillator configuration insensitive to repetition rate variation in a wide range. The scope of this presentation is to recall performances of the technologies developed and to present the technical base line of our laser concept. This work is supported by the French MOD (DGA).

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Bruno Crépy, Guillaume Closse, Sandrine Cussat-Blanc, Catherine Grèzes-Besset, Hélène Krol, Jean-Pierre Lemette, Marc Le Nevé, Jean-Michel Melkonian, Jean Montagne, Pierre Morin, Olivier Squaglia, and Nathalie Valette "Laser source for DIRCM at CILAS", Proc. SPIE 7483, Technologies for Optical Countermeasures VI, 74830G (25 September 2009); https://doi.org/10.1117/12.830182

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KEYWORDS

Laser sources

Directed infrared countermeasures

Optical parametric oscillators

Imaging infrared seeker

Laser development

Crystals

Missiles

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