High Performance Hot Mirrors: Light sources or optical signals often contain visible light and infrared light. Cold/hot mirrors can separate visible light from infrared light and collect only visible light, alleviating system heating caused by infrared radiation.
| Material | Schott borosilicate glass Borofloat |
| Surface Flatness | <5λ/25mm2@633nm |
| Parallelism | <1 arc minute |
| Surface finish | 60-40 |
| Thickness tolerance | ±0.2mm |
| Focal length tolerance | ±2% |
| Visible transmittance | Tavg＞90%@425-675nm |
| Visible reflectivity | Ravg＞95%@750-1150nm |
| Incident angle | 0° |
sales@leithopt.com.sg 
Tel: +86-13756880126 
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