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Narrow bandpass filter allow small light through, the narrower ,the more pure of the light.Sunday is producing standars narrow bandpass filter 270,311,360,380,473,532,650,780,808,850,904,940,1064,1900nm, these filter can be used in Biometric, touch screen, automobile four-wheel positioning, medical equipment, bar code scanning, the infrared camera, night-vision goggles, laser ranging, fingerprint identification, laser system.
Manufacture Specifications

Diameter:2mm to 200mm
Diameter Tolerance :+0.00/-0.1 or customer size
Material:N-BK7,H-K9L,Sapphire,Fused Silica(JGS1),Caf2,ZnSe,Si,Ge,etc.
Surface Quality:80-50 to 10/5
Flatness:1/4 lambda
Thickness Tolerance:+0.00/-0.05mm
Standard wavelength:270nm,311、360、380、473、532、650、780、808、850、904、940、1064 and 1900nm.
FWHM:5nm to 50nm
Transmission:60% to 99%
Average blocking:OD6

sales(at)sunday-optics.com       Bess Zhang
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