Frequency Stabilization And Phase Locking Of Laser Diodes And Laser Arrays
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Frequency Stabilization and Phase Locking of Laser Diodes and Laser Arrays
The major accomplishments for FY 86 were: 1. Demonstration of efficient coupling of an injection locked laser array single lobe output into a single mode optical fiber. A coupling efficiency of 30% was achieved for a 40-element array emitting 500 mW, corresponding to a fiber output power of 150 mW. 2. Demonstration of a novel external ring laser cavity operation of a gain guided array. The ring cavity relies on self-injection locking of the array by its own spatially filtered output. As in the case of injection locking, the ring laser external cavity results in single diffraction limited lobe far field emission of the array, but with the added advantage of eliminating the need for a separate master laser and the associated wavelength and temperature requirements.
Monolithic Diode-Laser Arrays
Author: Nils W. Carlson
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-12-06
Over the last two decades, the search for a compact, high-power semiconductor source has produced many designs and concepts for monolithic diode-laser arrays and optical amplifiers. However, only a few design approaches have emerged with the potential for producing high-power, high-brightness monolithic sources. Although semiconductor-diode lasers are the most compact, highest gain and most efficient laser sources, challenges remain in developing structures that will produce high-quality, diffraction-limited output beams. This book presents and analyzes the results of work performed over the last twenty years in the development of high-brightness diode-laser arrays.
Scientific and Technical Aerospace Reports
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.