N-doped-silica-core polarization maintaining fibre for gyros and other sensors for application in space industry

Yu. K Chamorovskii; O. V. Butov; G. I. Ivanov; A. A. Kolosovskii; V. V. Voloshin; I. L. Vorob'ev; K. M Golant

doi:10.1117/12.834585

5 October 2009 N-doped-silica-core polarization maintaining fibre for gyros and other sensors for application in space industry

Yu. K Chamorovskii, O. V. Butov, G. I. Ivanov, A. A. Kolosovskii, V. V. Voloshin, I. L. Vorob'ev, K. M Golant

Author Affiliations +

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75036T (2009) https://doi.org/10.1117/12.834585
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

PANDA-type optical fibre with nitrogen-doped silica as core and pure silica as cladding material is fabricated and tested. The fibre demonstrates birefringence as high as 5·10^-4, polarization holding h-parameter 2·10^-5 m^-1, loss 1.5 dB/km at a wavelength of 1.56 microns and 250 dB/km at 0.4 microns. Gamma radiation induced loss is found not exceeding 5-10 dB/km at a dose of 2-10 kGy, which is by an order of magnitude lower as compared to similar fibre with Ge-doped silica in the core.

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Yu. K Chamorovskii, O. V. Butov, G. I. Ivanov, A. A. Kolosovskii, V. V. Voloshin, I. L. Vorob'ev, and K. M Golant "N-doped-silica-core polarization maintaining fibre for gyros and other sensors for application in space industry", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75036T (5 October 2009); https://doi.org/10.1117/12.834585

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