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Miniature Spectrometers

May 2011
Acal BFi UK Ltd.Request Info
Suitable for measuring color, the Torus concave grating miniature spectrometers from BFI Optilas International SAS are visible-range (360 to 825 nm) units that deliver stability and low stray light with optical bench throughput. They provide increased sensitivity and throughput for low-level applications. The concave grating improves their thermal stability. Wavelength drift is nearly eliminated, and peak shape stays the same over a wide temperature range. The devices enable precision metrology, fluorescence and absorbance applications with demanding stray light and thermal stability requirements. Other applications include measurement of trace gas amounts in the atmosphere, absorbance of optically dense solutions, fluorescence from solid surfaces and backscattering/fluorescence in solutions and powders, and LEDs, lasers and other light sources. The devices are also useful in medical dosimetry in tissue and biological media.


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