Bandpass filter
Substrate: mainly single crystal Si and Ge. The shape and size of substrate can be determined according to the customer's requirements. The size of infrared film can be determined according to the customer's requirements
Introduction
Substrate material B270 Color chip product size 40x40x250x60x265x63x2 surface quality mil60-40 surface flatness 3 ftings per inch at 633nm luminous aperture 90% of total area film characteristics band-pass 600 band-pass 850 band-pass 940 central wavelength 600nm850nm940nm bandwidth 40 ± 3nm40 ± 3nm20 ± 3nm overall band-pass 600nm850nm940nmt > 85% t > 85% t > 85% uv-1200nmuv-1200nmod4t < 1% OD4 Note: all the above data are measured by actual products Filters of other sizes and wavelength ranges can be made according to user requirements. |