The influence of dispersion in the active medium and selected resonator elements (Fabry–Perot interferometers) on the output characteristics of a two-frequency diode-pumped Nd:YAG laser has been investigated. It is shown that the presence of the interferometers causes the beat frequency to depend on the generation wavelength. Based on this effect, a method to determine small displacements is proposed. A displacement of the resonator mirror as small as ~40 nm (less than one twentieth of the laser radiation wavelength) has been recorded experimentally.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 78, No. 2, pp. 238–242, March–April, 2011.
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Kostik, O.E., Mashko, V.V. & Teplyashin, L.L. The influence of dispersion in resonator elements on the characteristics of two-frequency generation of a diode-pumped Nd:YAG laser. J Appl Spectrosc 78, 218–222 (2011). https://doi.org/10.1007/s10812-011-9449-2
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DOI: https://doi.org/10.1007/s10812-011-9449-2