High-performance wavelength tuning of a mid-infrared solid-state laser using a resonant diffraction grating

N. Vermeulen; P. Wasylczyk; S. Tonchev; P. Muys; H. Ottevaere; O. Parriaux; H. Thienpont

doi:10.1117/12.922282

11 May 2012 High-performance wavelength tuning of a mid-infrared solid-state laser using a resonant diffraction grating

N. Vermeulen, P. Wasylczyk, S. Tonchev, P. Muys, H. Ottevaere, O. Parriaux, H. Thienpont

Proceedings Volume 8433, Laser Sources and Applications; 843307 (2012) https://doi.org/10.1117/12.922282
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

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 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.

Citation Download Citation

N. Vermeulen, P. Wasylczyk, S. Tonchev, P. Muys, H. Ottevaere, O. Parriaux, and H. Thienpont "High-performance wavelength tuning of a mid-infrared solid-state laser using a resonant diffraction grating", Proc. SPIE 8433, Laser Sources and Applications, 843307 (11 May 2012); https://doi.org/10.1117/12.922282

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