|B-Phot Authors||Nathalie Vermeulen, Heidi Ottevaere, Hugo Thienpont|
N. Vermeulen et al., “High-performance wavelength tuning of a mid-infrared solid-state laser using a resonant diffraction gratting,” presented at the Proc. SPIE, Photonics Europe 2012, 2012, vol. 8433, p. 843307.
|Abstract||We report the first demonstration of laser wavelength tuning with a resonant grating in the mid-infrared spectral domain and with Littrow mounting of the grating. We show for a mid-infrared Cr:ZnSe solid-state laser that this tuning technique is much more wavelength selective than prism-based tuning, while inducing significantly lower cavity losses than in the case of a standard metal-coated grating. Furthermore, the resonant grating allows tuning the Cr:ZnSe laser over as much as 400 nm around a center wavelength of 2.38 mu m. This shows the potential of employing Littrow-mounted resonant diffraction gratings for controlling and tuning the emission wavelength of lasers emitting in the mid-infrared spectral domain and other wavelength regions|
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