Paper
4 October 2011 Polarization modeling in square ring resonators with the consideration of output mirror's stress effect
Jie Yuan, Xingwu Long, Pengfei Zhang, Yu Wang, Meixiong Chen, Haodong Yang, Zhenglong Kang
Author Affiliations +
Abstract
A polarization model for calculating the ellipticities of the clockwise and counterclockwise output beams in square ring resonators is established in this article. The model takes into account the following parameters such as Ar, g, ξ and Φ simultaneously, where Ar is the distortion angle, g is the phase shift of all four mirrors, ξ is the angle between the S-polarization and the substrate "fast" axis of the output mirror, Φ is the birefringence angle of the output mirror. With the consideration of the output mirror's stress effect, the parameters such as ξ and Φ have unsymmetrical influences on the ellipticities of clockwise and counterclockwise beams, and the distortion angle is unequal to zero when the ellipticities of clockwise and counterclockwise output beams are equivalent. Based on those novel results, A novel method to controll the distortion angle during the alignment process with the eliminatation of the output mirror's stress effect simultaneously has been proposed in this article and this method can decrease the magnetic bias of square ring resonators effectively. These interesting findings are important to the research of high precision and super high precision ring laser gyros.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jie Yuan, Xingwu Long, Pengfei Zhang, Yu Wang, Meixiong Chen, Haodong Yang, and Zhenglong Kang "Polarization modeling in square ring resonators with the consideration of output mirror's stress effect", Proc. SPIE 8171, Physical Optics, 81710A (4 October 2011); https://doi.org/10.1117/12.896326
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KEYWORDS
Argon

Mirrors

Distortion

Resonators

Gyroscopes

Magnetism

Polarization

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