Compact self-aligned external cavity lasers using volume gratings

Christophe Moser; Frank Havermeyer

doi:10.1117/12.808333

19 February 2009 Compact self-aligned external cavity lasers using volume gratings

Christophe Moser, Frank Havermeyer

Proceedings Volume 7194, Laser Resonators and Beam Control XI; 71940F (2009) https://doi.org/10.1117/12.808333
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

We experimentally demonstrate a compact self-aligned external cavity 25W high power laser diode bar at 976 nm tunable over 0.5 nm with a bandwidth of 0.25 nm. The external cavity is based on double diffraction from a glass reflective volume holographic grating (VHG). The wavelength tuning is performed by rotation of the VHG. Passive alignment and fine wavelength tuning of the proposed external cavity are attractive new features over the state-of-the-art active alignment method and fixed wavelength limitation currently used in wavelength stabilized high power laser diode bars.

Citation Download Citation

Christophe Moser and Frank Havermeyer "Compact self-aligned external cavity lasers using volume gratings", Proc. SPIE 7194, Laser Resonators and Beam Control XI, 71940F (19 February 2009); https://doi.org/10.1117/12.808333

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