6 February 2012 Longitudinal mode selection in laser cavity by moiré volume Bragg grating
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A Fabry-Perot etalon, consisting of two π phase shifted reflecting volume Bragg gratings, is presented. These gratings are obtained as a moiré pattern resulting from sequential recording of interference patterns with different periods in photo-thermo-refractive glass and called moiré volume Bragg gratings (MVBGs). A detailed investigation of the fundamental operating principles and measurement techniques for phase shifted gratings is shown. Experimental results demonstrating a MVBG with a 15 pm bandwidth and 90% transmission at resonance are presented. The use of the MVBG for longitudinal mode selection in a laser resonator is shown.
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Daniel Ott, Vasile Rotar, Julien Lumeau, Sergiy Mokhov, Ivan Divliansky, Aleksandr Ryasnyanskiy, Nikolai Vorobiev, Vadim Smirnov, Christine Spiegelberg, Leonid Glebov, "Longitudinal mode selection in laser cavity by moiré volume Bragg grating", Proc. SPIE 8236, Laser Resonators, Microresonators, and Beam Control XIV, 823621 (6 February 2012); doi: 10.1117/12.909465; https://doi.org/10.1117/12.909465

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