Технические характеристики
Long pass filter allow the longer wavelength throught, and cut off the shorter wavelength.These filter mainly used in Beauty equipment,
police multiband testing instruments, strong light flashlight, stage lighting shade, four-wheel, iris recognition system, face recognition
attendance device, optical instruments.
Sample Curve
| 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,311гЂЃ360гЂЃ380гЂЃ473гЂЃ532гЂЃ650гЂЃ780гЂЃ808гЂЃ850гЂЃ904гЂЃ940гЂЃ1064 and 1900nm. |
| Transmission | 60% to 99% |
| Average blocking | OD6 |
