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0° AOI, 50mm Sq, UV Hot Mirror

UV Hot Mirrors

Stock #46-590
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Qty 1-9
Qty 10+
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Angle of Incidence (°):
Hot Mirror, 0°
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Dimensions (mm):
50.0 x 50.0 ±0.5
Surface Quality:
Thickness (mm):
Thickness Tolerance (mm):
Shortpass Filter
Clear Aperture (%):
Coating Specification:
Ravg >70% @ 800 - 1050nm
Tavg >80% @ 245 - 460nm
Wavelength Range (nm):
245 - 1050
Surface Flatness (P-V):
3 - 5λ
Coating Type:

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 233:

Product Family Description

  • Transmits 80% of UV and Visible Light
  • Reflects 70% of IR Light
  • Contact Us for Custom Sizes

Designed for a 0° angle of incidence, these UV Hot Mirrors’ multi-layer dielectric coating reflects infrared radiation, limiting heat buildup, while allowing UV and visible light to pass through. The fused silica substrate’s high transmission is ideal for projection and illumination systems, as well as in fluorescence applications that require the transmission of the UV excitation wavelength and the rejection of radiation harmful to temperature sensitive samples.

Hot mirrors are crucial in many projection and illumination systems where high levels of heat can quickly damage sensitive components. Hot mirrors are specially coated to transmit visible light while reflecting the NIR, a major attributor to heat generation. By using a hot mirror, heat levels are limited with minimum impact on the overall system performance.

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