5 January 1990 Direct Coupling Of Single-Mode Nd Fiber Laser To Multimode Laser Diode Pump
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Abstract
We report the alignment details for efficient direct coupling of a single-mode Nd fiber laser to a multimode, highly divergent laser diode pump source. A double-clad fiber structure with a rectangular shape and large NA (0.4) allows for efficient excitation of the single-mode core in a simple end-pumped configuration. Pump conversion efficiency of up to 25% is observed, with CW output power to 0.12 Watt in the case of a single laser diode pump.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. Haw, T. Haw, L. Zenteno, L. Zenteno, H. Po, H. Po, N. M. Cho, N. M. Cho, } "Direct Coupling Of Single-Mode Nd Fiber Laser To Multimode Laser Diode Pump", Proc. SPIE 1177, Integrated Optics and Optoelectronics, (5 January 1990); doi: 10.1117/12.963341; https://doi.org/10.1117/12.963341
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