Fiber optic gyroscope assisted by Raman amplification

Javier Nuño; Juan D. Ania-Castañón

doi:10.1117/12.894523

26 July 2011 Fiber optic gyroscope assisted by Raman amplification

Javier Nuño, Juan D. Ania-Castañón

Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 800125 (2011) https://doi.org/10.1117/12.894523
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal

Abstract

We propose the use of distributed Raman amplification to improve the sensitivity of fiber optic gyroscopes through the use of longer fiber coils. The performance limitations due to noise and nonlinear phase have been analyzed and we show that, even in the presence of pump and signal asymmetries, the proposed configurations allow increased sensitivity. Concretely, it is possible to achieve a 5-fold increase in fiber length (and sensitivity) compared to traditional schemes with no amplification. Potential applications include the design of highly sensitive fiber-based rotational seismometers.

Citation Download Citation

Javier Nuño and Juan D. Ania-Castañón "Fiber optic gyroscope assisted by Raman amplification", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 800125 (26 July 2011); https://doi.org/10.1117/12.894523

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