E-beam-pumped semiconductor lasers

Robert R. Rice; James F. Shanley; Neil F. Ruggieri

doi:10.1117/12.206904

24 April 1995 E-beam-pumped semiconductor lasers

Robert R. Rice, James F. Shanley, Neil F. Ruggieri

Proceedings Volume 2397, Optoelectronic Integrated Circuit Materials, Physics, and Devices; (1995) https://doi.org/10.1117/12.206904
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

The collapse of the Soviet Union opened many areas of laser technology to the West. E-beam- pumped semiconductor lasers (EBSL) were pursued for 25 years in several Soviet Institutes. Thin single crystal screens of II-VI alloys (Zn_xCd_1-xSe, CdS_xSe_1-x) were incorporated in laser CRTs to produce scanned visible laser beams at average powers greater than 10 W. Resolutions of 2500 lines were demonstrated. MDA-W is conducting a program for ARPA/ESTO to assess EBSL technology for high brightness, high resolution RGB laser projection application. Transfer of II-VI crystal growth and screen processing technology is underway, and initial results will be reported. Various techniques (cathodoluminescence, one- and two-photon laser pumping, etc.) have been used to assess material quality and screen processing damage. High voltage (75 kV) video electronics were procured in the U.S. to operate test EBSL tubes. Laser performance was documented as a function of screen temperature, beam voltage and current. The beam divergence, spectrum, efficiency and other characteristics of the laser output are being measured. An evaluation of the effect of laser operating conditions upon the degradation rate is being carried out by a design-of-experiments method. An initial assessment of the projected image quality will be performed.

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Robert R. Rice, James F. Shanley, and Neil F. Ruggieri "E-beam-pumped semiconductor lasers", Proc. SPIE 2397, Optoelectronic Integrated Circuit Materials, Physics, and Devices, (24 April 1995); https://doi.org/10.1117/12.206904

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KEYWORDS

Semiconductor lasers

Crystals

Electronics

Sapphire

Video

Laser applications

Laser crystals

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