Low-loss laser-to-fiber coupling with negligible optical feedback
- 1 April 1985
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Journal of Lightwave Technology
- Vol. 3 (2) , 294-302
- https://doi.org/10.1109/JLT.1985.1074206
Abstract
A novel lens design for the coupling of single-frequency lasers to monomode fibers achieves both high coupling efficiency (> 40 percent, best value 70 percent) and extremely low optical power feedback ( \sim 10^{-7} of the emitted power). The lens is formed out of a ∼ 1 mm length of a silica thread fused to the monomode fiber, with the open end of the silica thread modeled as an aspherical lens.Keywords
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