Narrow Bandpass Filter
Narrow Bandpass 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.
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 | 0.1%, 0.01%, 0.001%.0.001 |
