Wuhan Siwer Optics Co.,Ltd
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Dichroic Shortpass Filters are designed for a 45° or 0° angle of incidence. The rejected light is reflected at 90° or 0°, making these filters ideal for use in fluorescence applications or as spectral beamsplitters. The filters feature low polarization dependence, broad spectral ranges, and a precision fused silica substrate.
Short pass filters can effectively cut off the near-infrared band of light. They are widely used in various cold light sources, optical fiber lighting, LED lighting, metal halide lamp insulation, and infrared cut-off filters for optical imaging schemes: optical engines, filters for digital cameras to eliminate near-infrared interference from CCD and CMOS, to ensure the normal operation of photoelectric instruments and equipment.
| Angle of Incidence(°): | 0 or 45 |
| Coating: | Hard Coated |
| Substrate: | Fused Silica or other optical glass |
| Reflection(%): | >91% Average Polarization |
| Surface Quality: | 40/20 |
| Thickness Tolerance(mm): | +/-0.05 |
| Transmitted Wavefront: | Lambda/4 |
| Cut-Off Tolerance(%): | +/-2 |
| Cut-off depth: | >OD3-OD6 UV-NIR |
