Finite element model of thermal transient effect in fiber optic gyro

Olivier F.J. Tirat; Jean-Michel Euverte

doi:10.1117/12.258183

12 November 1996 Finite element model of thermal transient effect in fiber optic gyro

Olivier F.J. Tirat, Jean-Michel Euverte

Proceedings Volume 2837, Fiber Optic Gyros: 20th Anniversary Conference; (1996) https://doi.org/10.1117/12.258183
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

In this paper we investigate the dependence of the bias in the interferometric fiber optic gyro versus the temperature gradient applied on the case of the sensor. Our main interest is in the coil winding pattern and in the design of the case. We describe here a method to calculate the influence of these two parameters on the temperature gradient performance. Our approach is to use a finite element model of the case and the coil. We describe then the winding pattern including the location and the length of each turn of the coil. With those data, we are able to compute the bias induced by the thermal transient effect.

Citation Download Citation

Olivier F.J. Tirat and Jean-Michel Euverte "Finite element model of thermal transient effect in fiber optic gyro", Proc. SPIE 2837, Fiber Optic Gyros: 20th Anniversary Conference, (12 November 1996); https://doi.org/10.1117/12.258183

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