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Near-IR (NIR) image sensors used together with 940nm illumination are also being used to support iris recognition in biometrics
The MidOpt Bi650 Red Interference Bandpass Filter has a narrow bandwidth
The AC370 material blocks almost all ultraviolet (UV) light while averaging greater than 98% transmission over the 450-700nm VIS spectrum
Normalized Near Infrared NNIR = NIR / (NIR + Red + Green)
visible (VIS) and near-infrared (IR)
Near-Infrared (IR) Longpass Filter, 800-1100nm - MidOpt LP780 Bandpass Near-IR (NIR) image sensors usedThe MidOpt LP780 Near Infrared (IR) Longpass Filter is recommend for use with laser diodes and LED lighting that operates within the 810 830nm range. Longpass filters are often referred to as "sharp cut" filters and are specifically designed to pass a broad spectrum of longer wavelength light while blocking shorter wavelengths. They're commonly used in fluorescence applications to block an excitation light source or to pass multiple emission
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