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There are significant applications for miniature on‐chip spectrometers in many fields. However, at present, on‐chip spectrometers have to utilize an integrated strategy to achieve spectral analysis, which undoubtedly squanders the photosensitive area and adds pressure to the miniaturization of the spectrometer. Here, a unique spectrometer design that adopts a single detection point with in situ modulation...
Microspectrometers
In article number 2200221, Haoxuan Sun, Liang Li, and co‐workers demonstrate a new perovskite spectrometer design that is free from any optical or mechanical components and only requires one detection point. Such a spectrometer design breaks the long‐standing restriction of footprint‐resolution, and represents an advance for hyperspectral imaging.
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