Short-red-wavelength, high-power, AlGaInP laser diodes

Harvey B. Serreze; Ying-Chih Chen

doi:10.1117/12.146930

16 June 1993 Short-red-wavelength, high-power, AlGaInP laser diodes

Harvey B. Serreze, Ying-Chih Chen

Proceedings Volume 1850, Laser Diode Technology and Applications V; (1993) https://doi.org/10.1117/12.146930
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

AlGaInP-based, high power laser diodes operating at wavelengths of 630 to 645 nm have been designed, fabricated, and characterized. Cw output powers approaching 1 Watt and thresholds below 400 A/cm² have been achieved. Measurement of internal laser parameters indicates low internal loss and transparency current, high gain, and moderate internal quantum efficiency. Characteristic temperature data suggest that the lowest practical operating wavelength of similar diodes is close to 620 nm. Examination of performance as a function of cavity length indicates an optimum length in the range of 1200 micrometers .

Citation Download Citation

Harvey B. Serreze and Ying-Chih Chen "Short-red-wavelength, high-power, AlGaInP laser diodes", Proc. SPIE 1850, Laser Diode Technology and Applications V, (16 June 1993); https://doi.org/10.1117/12.146930

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