4 March 2014 Progress towards whispering gallery mode resonator based spectroscopy in mid-infrared
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Abstract
We present studies of using high Q whispering gallery mode resonators in Mid-IR laser spectroscopy. Several crystalline materials have high transparency in Mid-IR wavelength region and can be made into high Q optical resonators. We report recent measurements of Q values of greater than 1x108 in the wavelength region longer than 3 μm using one of these materials, Magnesium Fluoride (MgF2). These resonators are being used for cavity ring-down measurements, optical frequency comb generation, and their applications in Mid-IR spectroscopy
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Kamjou Mansour, Aaron S. Rury, Ivan S. Grudinin, Nan Yu, "Progress towards whispering gallery mode resonator based spectroscopy in mid-infrared", Proc. SPIE 8960, Laser Resonators, Microresonators, and Beam Control XVI, 89600Y (4 March 2014); doi: 10.1117/12.2042218; https://doi.org/10.1117/12.2042218
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