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Product Announcement

Hot&Cold Mirrors

29 Mar 2021

Specifications:

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

    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.)
    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 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.) 
    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.

CONTACT DETAILS
Changchun Yutai Optics Co., Ltd.
NO.1688
changshen road
qiche zone
Changchun
Jilin
130000
China
Tel: 86-431-87911611
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