Narrow Banspass Filter
Narrow bandpass filter allow small light through, the narrower ,the more pure of the light.Sunday is producing standars narrow bandpass filter ：270nm,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 lambda to 1/10 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 |
0.1%,0.01%,0.001%.0.001 |
