The Effect of Inertial Backscattering in a He–Ne Ring Laser at a Wavelength of 632.8 nm

— The effect is investigated of backscattering of the diffraction grating produced on the mirror surface by gas discharge UV radiation and by counterpropagating waves of a ring laser. Measurements of the dynamics of complex coupling coefficients as the ring laser slowly approaches the lock-in thresh...

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Published inBulletin of the Lebedev Physics Institute Vol. 52; no. Suppl 3; pp. S261 - S273
Main Authors Petrukhin, E. A., Bessonov, A. S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.08.2025
Springer Nature B.V
Subjects
Backscattering
Coupling coefficients
Gas discharges
Gratings (spectra)
Physics
Physics and Astronomy
Ring lasers
Ultraviolet radiation
complex coupling coefficients
lock-in threshold
counterpropagating waves
ring laser
nonlinear distortions of the scale factor
laser gyroscope
backscattering
dissipative and conservative components
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Summary:— The effect is investigated of backscattering of the diffraction grating produced on the mirror surface by gas discharge UV radiation and by counterpropagating waves of a ring laser. Measurements of the dynamics of complex coupling coefficients as the ring laser slowly approaches the lock-in threshold are presented. It is shown that, when the ring laser is near the lock-in threshold, there is a slight decrease in the dissipative component of complex coupling coefficients and a significant increase in their conservative component. The physical model of these effects is discussed.
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ISSN:1068-3356
1934-838X
DOI:10.3103/S1068335625602109