3700nm infrared filter
3700nm infrared filter
The 3700nm narrowband filter will have good transmittance near 3700nm, achieving high cutoff in the wavelength band far away from this wavelength. Outside its target operating band, the average transmittance may be as low as 1%, which can effectively reduce stray light interference and improve the detection sensitivity and efficiency of detectors and other equipment for 3700nm wavelength light;
The product parameter requirements are as follows:
Material: Silicon
Size: 10 * 10 * 0.5mm (customizable)
Dimensional tolerance: ± 0.1mm
Thickness tolerance: ± 0.05mm
Surface finish: 60/40
Optical specifications:
Bandwidth: 100 ± 20nm
Peak transmittance ≥ 80%
Center wavelength 3700 ± 50nm
Cut off area: 400~1100nm Cut off depth>OD2
Application areas: infrared detection, optical instruments, scientific research experiments, etc
The curve is as follows:
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LP930nm filter
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