Abstract
The method of intracavity waveguide spectroscopy for measuring low optical losses in thin films is proposed. The method also allows one to distinguish transverse and longitudinal modes in low-gain lasers without introducing considerable losses into the cavity.
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Original Russian Text © A.V. Shulga, A.V. Khomchenko, I.V. Shilova, 2018, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2018, Vol. 44, No. 21, pp. 3–9.
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Shulga, A.V., Khomchenko, A.V. & Shilova, I.V. Intracavity Waveguide Spectroscopy of Thin Films. Tech. Phys. Lett. 44, 953–955 (2018). https://doi.org/10.1134/S1063785018110159
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DOI: https://doi.org/10.1134/S1063785018110159