Engineering development of a directed IR countermeasure laser

Victor Karaganov; Margaret Law; Mick Kaesler; David G. Lancaster; Mark R. G. Taylor

doi:10.1117/12.579933

29 December 2004 Engineering development of a directed IR countermeasure laser

Victor Karaganov, Margaret Law, Mick Kaesler, David G. Lancaster, Mark R. G. Taylor

Proceedings Volume 5615, Technologies for Optical Countermeasures; (2004) https://doi.org/10.1117/12.579933
Event: European Symposium on Optics and Photonics for Defence and Security, 2004, London, United Kingdom

Abstract

There is currently considerable interest from the military and civil authorities in defences against man portable air defence systems. One such approach utilizes directing in-band modulated mid-infrared lasers at missile seekers to disrupt the missile tracking. The work presented here discusses some of the engineering issues associated with the development of such a laser system. The laser system is based on the MURLIN (Multi-band Research Laser INfrared). A prototype system has been developed based on a highly efficient diode laser pumped Nd: YAG co-planar folded slab laser that is frequency converted by cascaded optical parametric oscillators and an optical parametric amplifier. The water-cooled system produces up to 1.4 W of modulated power which is distributed across 3-lines in the 2-5 mm spectral region. The potential countermeasure utility of this system is enhanced by the single beam multi-line output and capability to directly modulate the pump diodes with a range of waveforms. The follow-on air-cooled version currently under development has recently achieved 8 W of modulated average power at the 1.064 mm pump wavelength. Measured beam quality is twice the diffraction limit.

Citation Download Citation

Victor Karaganov, Margaret Law, Mick Kaesler, David G. Lancaster, and Mark R. G. Taylor "Engineering development of a directed IR countermeasure laser", Proc. SPIE 5615, Technologies for Optical Countermeasures, (29 December 2004); https://doi.org/10.1117/12.579933

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