Compact and stable multibeam fiber injector

Leland F. Collins

doi:10.1117/12.328531

29 October 1998 Compact and stable multibeam fiber injector

Leland F. Collins

Proceedings Volume 3429, Current Developments in Optical Design and Engineering VII; (1998) https://doi.org/10.1117/12.328531
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A compact and stable 20-beam injector was built for launching laser light into fibers for Fabry Perot velocity measurements of shock-driven surfaces. The fiber injector uses commercial mounts on mini-rails. Dielectric-coated beamsplitters provide accurate amplitude division. Minimal adjustments for stable operation are permitted by the use of a real-time video- viewer. The video system includes a non-linear camera for CW alignment and a linearized camera with a frame grabber for pulsed measurement and analysis. All 20-injection points are displayed on a single monitor. Optical requirements are given for image relay and magnification. Stimulated Brillouin scattering limitations on high-power are quantified.

Citation Download Citation

Leland F. Collins "Compact and stable multibeam fiber injector", Proc. SPIE 3429, Current Developments in Optical Design and Engineering VII, (29 October 1998); https://doi.org/10.1117/12.328531

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