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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1990),
  • paper CMC3

Short wavelength (λ = 626-nm) GaInP/AlGaInP laser diode with a multiquantum well active layer

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Abstract

Visible light emitting semiconductor lasers with emission in the spectral region of 660-680 nm have recently become available for use in bar-code scanners. A further reduction of the wavelength is attractive because of the increased sensitivity of the human eye to shorter wavelengths. For a replacement in applications where now He-Ne gas lasers are used it is especially important to make semiconductor lasers with a wavelength around 630 nm.

© 1990 Optical Society of America

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