Low-loss wavelength tuning of a mid-infrared Cr2+:ZnSe laser using a Littrow-mounted resonant diffraction grating

Abstract : We report the first demonstration of resonantgrating- based laser wavelength tuning in the mid-infrared spectral domain and with Littrow mounting of the grating. We show for a mid-infrared Cr:ZnSe laser that this tuning technique is much more wavelength selective than prism-based tuning, while inducing very low cavity losses (around 2%), which are at least two times smaller than in the case of a standard metal grating. Furthermore, the resonant grating allows tuning the Cr:ZnSe laser over as much as 400 nm around a center wavelength of 2.38 μm. 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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Laser Physics Letters, IOP Publishing, 2011, 8 (8), pp.606-612. 〈10.1002/lapl.201110044〉
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https://hal-ujm.archives-ouvertes.fr/ujm-00617603
Contributeur : Yves Jourlin <>
Soumis le : lundi 29 août 2011 - 17:16:05
Dernière modification le : mercredi 25 juillet 2018 - 14:05:30

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N. Vermeulen, P. Wasylczyk, S. Tonchev, P. Muys, H. Ottevaere, et al.. Low-loss wavelength tuning of a mid-infrared Cr2+:ZnSe laser using a Littrow-mounted resonant diffraction grating. Laser Physics Letters, IOP Publishing, 2011, 8 (8), pp.606-612. 〈10.1002/lapl.201110044〉. 〈ujm-00617603〉

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