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Meadowlark Optics - Wave Plates 6/24 LB 2024

A Small and Cheap Spectrometer

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Hank Hogan

For spectrometers, it is better to be small and cheap than big and bulky — provided that one’s optical performance targets are met. Now a team of researchers from Delft University of Technology and from TNO Institute of Science and Technology, both in Delft, the Netherlands, have developed one that measures just 3 × 3 × 11 mm. This small instrument has produced some big results, achieving 3-nm resolution over a spectral range of 450 to 750 nm with an optical throughput of ∼9 percent. The size of a coin, the spectrometer shown here comprises two transparent rectangles mounted over...Read full article

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    Published: June 2007
    Featuresindustrialmirrored input slitSensors & Detectorssingle aluminum-coated glass waferSpectrometersspectroscopy

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