Optical isolators for 2-micron fibre lasers

Gary Stevens; Thomas H. Legg; Peter Shardlow

doi:10.1117/12.2077505

20 February 2015 Optical isolators for 2-micron fibre lasers

Gary Stevens, Thomas H. Legg, Peter Shardlow

Author Affiliations +

Proceedings Volume 9346, Components and Packaging for Laser Systems; 93460O (2015) https://doi.org/10.1117/12.2077505
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

We report on the development and testing of optical isolators for use in 2-micron fiber laser systems. A variety of potential Faraday rotator materials were characterised to identify the most suitable materials for use in the 1700-2100nm wavelength range. Isolators based on the three best performing materials were then developed and packaged as fiber-in, fiber-out and fiber-in, beam-out devices. The isolators were then tested in CW, pulsed and ultrafast laser systems. The three different designs produced different performance characteristics, but all designs demonstrated isolation >25dB and insertion losses of <1.2 dB.

Citation Download Citation

Gary Stevens, Thomas H. Legg, and Peter Shardlow "Optical isolators for 2-micron fibre lasers", Proc. SPIE 9346, Components and Packaging for Laser Systems, 93460O (20 February 2015); https://doi.org/10.1117/12.2077505

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