Small astigmatism, high power and low noise 0.78 µm self-aligned lasers

16 February 1989

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 25 (4) , 294-296
https://doi.org/10.1049/el:19890205

Abstract

0.78 µm self-aligned AlGaAs lasers have been developed for optical disc recording. The lasers have shown a small astigmatism (<3 µm), low-noise characteristics (RIN < −126 dB/Hz at 3 mW) and stable 30 mW operation (over 1800 hours at 50°C).

Keywords

FABRICATION
SMALL ASTIGMATISM
0.78 MICRON
SEMICONDUCTOR LASERS
OPTICAL DISC RECORDING
SELF-ALIGNED LASERS
HIGH POWER
30 MW
III-V SEMICONDUCTORS
LOW-NOISE CHARACTERISTICS
ALGAAS LASERS

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