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12 October 2010 Development of a compact frequency conversion module for airborne countermeasures
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We report on the development of a compact frequency conversion module (FCM) devoted to IR countermeasures. Several spectral lines are emitted simultaneously by the use of optical parametric oscillators (OPOs) pumped by a high repetition rate near-IR pulsed laser. A special attention has been paid on the optimization and the miniaturization of the FCM optomechanical design. The proposed compact design increases the alignment stability of the OPO cavities and in the same time facilitates its integration. Moreover, we have developed two-zone temperature controlled ovens enabling thermal management of the periodically poled nonlinear crystals. With proper adjustments of the applied temperature gradient, we have demonstrated that a significant improvement (more than 30 %) of the conversion efficiency can be obtained.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Antoine Godard, Myriam Raybaut, Thomas Schmid, Michel Lefebvre, Anne-Marie Michel, Christophe Oudart, Sergio Teixeira, and Michel Péalat "Development of a compact frequency conversion module for airborne countermeasures", Proc. SPIE 7836, Technologies for Optical Countermeasures VII, 78360G (12 October 2010);

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