Micro-sized spectrometer operates across visible spectrum, sub-5-nm resolution
Researchers developed a portable, affordable micro-sized optical spectrometer with high resolution across the visible spectrum. It utilizes an organic photodetector and innovative photocarrier generation manipulation. This innovation could revolutionize optical spectrometers for diverse applications.
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Researchers have developed a micro-sized optical spectrometer with sub-5-nm resolution that operates across the visible spectrum. Traditional spectrometers are bulky and expensive, limiting their widespread use. The new device, based on an organic photodetector with bias-tunable spectral response, offers portability and affordability. It utilizes a unique method to manipulate photocarrier generation in photodiodes, achieving a footprint of 0.0004 cm2. The spectrometer covers the entire visible wavelength range with high resolution and was tested successfully for hyperspectral imaging. This innovation could lead to the development of more compact and cost-effective optical spectrometers for various applications, including research and medical diagnostics. The study was published in Nature Electronics, showcasing the potential for advancing technology and scientific practices.
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