Optical Hot&Cold Mirrors
Hot mirrors are heat-reflecting mirrors that are designed to work as a shortpass edge filter by transmitting visible wavelengths @AOI 0°, while reflecting NIR, heat-generating wavelengths.(Reflect NIR heat & transmit VIS light @ 0°. Remove unwanted heat from an optical system.) Cold mirrors are heat-transmitting mirrors that are designed to work as longpass filters by reflecting visible wavelengths @AOI 45°, while transmitting NIR wavelengths.(Reflect VIS light and transmit NIR heat @45°.Remove unwanted heat from an optical system.)
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Overview
Hot mirrors are heat-reflecting mirrors that are designed to work as a shortpass edge filter by transmitting visible wavelengths @AOI 0°, while reflecting NIR, heat-generating wavelengths.(Reflect NIR heat & transmit VIS light @ 0°. Remove unwanted heat from an optical system.) Cold mirrors are heat-transmitting mirrors that are designed to work as longpass filters by reflecting visible wavelengths @AOI 45°, while transmitting NIR wavelengths.(Reflect VIS light and transmit NIR heat @45°.Remove unwanted heat from an optical system.)
Specifications
| Parameter | Value |
|---|---|
| Material | Fused Silica,H-K9L(BK7),Float Glass |
| Dimension range | Φ3mm-Φ300mm |
| Tolerance | +0.0/-0.1mm |
| Front Surface Flatness | λ/4 |
| Surface Quality | 60-40 |
| Parallelism | within 3 arcmin |
| Clear Aperture | >90% |
| Back Surface | Fine Ground |
| Coating | Hot/Cold mirror coatings |
Applications
Hot mirrors Application: The products are mainly used in precision optical system, such as a rear projection,TV system, digital projection apparatus, digital camera,and CCD imaging detection system, to suppress infrared heat radiation interference that improve the optical quality. Cold mirrors Application: Cold Mirror can be used in such a system which need to split the heat of spectrum and wave band.Visible light is reflected, and the hot part is transmitted when using the cold mirror.
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Supplier Information
Changchun Yutai Optics Co., Ltd. is a manufacturer with ISO9001 certification. We are specialized in high-performance optical components including lens, mirrors, filters, windows and prisms which are specified by customers. Yutai’s items are widely used in imaging, defense, medical, laser and industry market. As a fast-growing supplier in optics, Yutai Optics has quickly established itself as a leader in optical components with advanced technology and quality control ability, aiming to provide professional service and good quality items to meet customers' request. Yutai has already established long-term cooperative relations with many powerful companies all over the world.
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