Demonstrates a miniaturized spectral imager operating in ultraviolet, indicating a path for high-resolution imaging.
A high-performance miniaturized on-chip spectral imager operating in the ultraviolet region is demonstrated based on an AlGaN/GaN cascaded photodiode array. This work extends spectral imaging into the ultraviolet regimes by leveraging the mature III-nitride technologies and establishes a scalable pathway toward massive production of compact, high-resolution spectral imagers.
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Zhao et al. (2026) studied this question.
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