Abstract

We report the rapid tuning of mid-infrared waves beyond 5μm emitted in difference-frequency mixing with an electronically tuned dual-wavelength Ti:Al2O3 laser used as a pumping source. Simultaneous rapid tuning of the dual wavelengths, which satisfy phase matching in AgGaS2, allows rapid random access switching and continuous tuning of mid-infrared wavelengths. In random-access switching, the mid-infrared wavelength is tuned every pulse shot at a repetition rate of 1kHz. Mid-infrared wavelengths continuously tuned from 5.2to7.2μm, from 7.0to9.1μm, and from 8.9to12.0μm are achieved at phase-matched angles of 55°, 50°, and 45°, respectively.

© 2006 Optical Society of America

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