ArticleOptics express2025
Fully transparent GaN/InGaN LED as a position sensitive detector.
Article in Optics express, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
Commercial optical technologies have an increasing need for an accurate, in-situ beam locator to ensure laser alignment during operation. In this work, gallium nitride LEDs with indium gallium nitride quantum wells are leveraged to create a fully transparent two-dimensional position sensitive detector (PSD). Two different architectures are developed and characterized. Fabricated devices are shown to successfully and repeatably locate 405 nm laser light in two dimensions in the PSD area with a limit of detection of 8.4
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