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Efficient multikilowatt mid infrared difference frequency generation in CdGeAs2

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4 Author(s)
Harrison, R.G. ; Heriot-Watt University, Edinburgh, Scotland ; Gupta, P. ; Taghizadeh, M.R. ; Kar, A.K.

Multikilowatt mid infrared emission with high pump photon conversion efficiency (∼ 15 percent) has been obtained by difference frequency generation in CdGeAs2utilizing the double wavelength output from a grating tuned twin-cavity TEA CO2system, one signal of which is frequency doubled to provide efficient synchronized sources for both pump and idler. Tuning over a spectral range8-14 mum can be achieved and further extended to 17 μm using 12.8 μm emission from an efficient TEA CO2pumped NH3laser.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:18 ,  Issue: 8 )

Date of Publication:

Aug 1982

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