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A value of 1.8 for the astigmatism factor K in narrow stripe InGaAsP/InP lasers is obtained by direct measurement of the beam parameters. Previously, values from 10 to 30 were found for AlGaAs/GaAs lasers of similar geometry.
Inspec keywords: indium compounds; laser beams; gallium arsenide; III-V semiconductors; semiconductor junction lasers
Other keywords:
Subjects: Semiconductor lasers; Design of specific laser systems; Lasing action in semiconductors