Infrared (IR filters) band-pass or narrow bandpass (NBP filters)
Center wavelength: 850 or 940nm
It has been used for near infrared devices inside
Transmission light, infrared light, cutoff ultraviolet, and visible light
Narrow band infrared filter
Half bandwidth: 25 to 50nm
Band pass filter
Bandwidth: 50 to 100nm
Wavelength transmittance: (UL)
Wavelength: 850nm or 940nm, transmittance: >85%
Wavelength: 380 to 800nm or 380 900nm, transmittance: <3%
Suitable for 1/4, 1/3, and 1/2-inch devices, or large size
Diameter: 10mm to 20mm
Thickness: 0.5 to 3.0nm