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  • Linear Variable Bandpass Filters
Oct 2015
Delta Optical Thin Film A/SRequest Info
HØRSHOLM, Denmark, Oct. 26, 2015 — deltaDelta Optical Thin Film A/S has announced custom linear variable bandpass filters for midsize and full-frame CCD and CMOS sensors.

The filters offer high transmission and are fully blocked in the light-sensitive wavelength range of silicon-based detectors. They allow the design of compact, robust and affordable hyperspectral imaging detectors that offer several benefits including higher aperture and transmission than gratings and prisms, short measurement time, high suppression of stray light, and an excellent signal-to-noise ratio.

Applications include cancer detection, precision farming and food testing, among others.


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bandpass filter
A filter with a transmission that is high for a particular band of frequencies, but that falls to low values above and below this band.
hyperspectral imaging
Methods for identifying and mapping materials through spectroscopic remote sensing. Also called imaging spectroscopy; ultraspectral imaging.
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