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Influence of the whispering-gallery mode resonators shape on its inertial movement sensitivity
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Paper Abstract

The optical whispering-gallery mode (WGM) resonators are axially symmetrical resonators with smooth edges, supporting the existence of the WGMs by the total internal reflection on the surface of the resonator. As of today, various types of such resonators have been developed, namely the ball shaped, tor shaped, bottle shaped, disk shaped, etc. The movement of WGM resonators in inertial space causes the changes in their shape. The result is a spectral shift of the WGMs. Optical methods allow to register this shift with high precision. It can be used in particular for the measurement of angular velocities in inertial orientation and navigation systems. However, different types of resonators react to the movement in different manners. In addition, their sensitivity to movement can be changed when changing the geometric parameters of these resonators. The work is devoted to investigation of these aspects.

Paper Details

Date Published: 11 January 2018
PDF: 6 pages
Opt. Eng. 57(1) 014104 doi: 10.1117/1.OE.57.1.014104
Published in: Optical Engineering Volume 57, Issue 1
Show Author Affiliations
Yuri V. Filatov, Saint Petersburg Electrotechnical Univ. "LETI" (Russia)
Alexander S. Kukaev, Saint Petersburg Electrotechnical Univ. "LETI" (Russia)
Egor V. Shalymov, Saint Petersburg Electrotechnical Univ. "LETI" (Russia)
Vladimir Yu. Venediktov, Saint Petersburg Electrotechnical Univ. "LETI" (Russia)
Saint Petersburg State Univ. (Russia)

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