Influence of the modulation phase error on bias error in interferometric fiber optic gyroscope

Ran Bi; Xuan She; Xiaowu Shu; Cheng Liu

doi:10.1117/1.OE.57.8.087104

23 August 2018 Influence of the modulation phase error on bias error in interferometric fiber optic gyroscope

Ran Bi, Xuan She, Xiaowu Shu, Cheng Liu

Author Affiliations +

Optical Engineering, Vol. 57, Issue 8, 087104 (August 2018). https://doi.org/10.1117/1.OE.57.8.087104

Abstract

The integrated optical chip (IOC) is one of the most critical parts of the interferometric fiber optic gyroscope (IFOG). Unfortunately, the integral implementation of the IOC has a number of undesirable effects, which includes the modulation phase error. The inflexible influence of the modulation phase error on the bias error is analyzed in theory. For demonstrating, a method is found to measure the modulation phase error quantitatively. By experiment, the quantized parameter and its effect on bias error are presented. In addition, we offer a practical method to compensate the mentioned effect in IFOG, which is proved by the quantitative measurement. This study proposes a direction for IOC manufacturing inspection and evaluation.

Citation Download Citation

Ran Bi, Xuan She, Xiaowu Shu, and Cheng Liu "Influence of the modulation phase error on bias error in interferometric fiber optic gyroscope," Optical Engineering 57(8), 087104 (23 August 2018). https://doi.org/10.1117/1.OE.57.8.087104

Received: 25 April 2018; Accepted: 8 August 2018; Published: 23 August 2018

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