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25 May 2022 VCSELs in the visible red spectral range for display and sensor applications
Michael Jetter
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Proceedings Volume PC12141, Semiconductor Lasers and Laser Dynamics X; PC1214103 (2022) https://doi.org/10.1117/12.2624476
Event: SPIE Photonics Europe, 2022, Strasbourg, France
Abstract
Vertical-cavity surface-emitting lasers (VCSEL) provide superior properties concerning their geometry and electro-optical laser characteristics, such as narrow divergence of circular beam profile, single longitudinal mode output, and low power consumption. Especially VCSEL in the visible red spectral range become an important component in display and sensing applications in medicine and industry. In this contribution we present a review of our recent developments VCSEL in the emission range around 650 nm. Next to the properties of single devices we highlight the manipulation of the beam properties and show a route towards high output powers in this spectral range from large-area VCSEL.
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Michael Jetter "VCSELs in the visible red spectral range for display and sensor applications", Proc. SPIE PC12141, Semiconductor Lasers and Laser Dynamics X, PC1214103 (25 May 2022); https://doi.org/10.1117/12.2624476
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KEYWORDS
Vertical cavity surface emitting lasers
Visible radiation
Sensors
Electro optics
Medicine
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