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45° AOI, 12.5mm Square, Hot Mirror

TECHSPEC High Performance Hot Mirrors

TECHSPEC High Performance Hot Mirrors

Stock #64-464
Qty 1-5
Qty 6
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Angle of Incidence (°):
Hot Mirror, 45°
Dimensions (mm):
12.5 x 12.5
Surface Quality:
Thickness (mm):
Thickness Tolerance (mm):
Hot Mirror
Dimensional Tolerance (mm):
Coating Specification:
Tavg >85% @ 400 - 690nm, Ravg >95% @ 750 - 1125nm
AR: Ravg <1% @ 400 - 700nm
Wavelength Range (nm):
400 - 1150
Surface Flatness:
4 - 6λ
Coating Type:

Regulatory Compliance

RoHS 2015:
Reach 205:

Product Family Description

  • >90% Transmission from 400 - 690nm
  • >95% Reflection from 710 - 1150nm
  • Ideal for Minimizing Heat Build-Up

TECHSPEC® High Performance Hot Mirrors feature a multi-layer dielectric coating optimized for greater than 90% transmission of visible light and greater than 95% reflection of IR wavelengths. For high power illumination, forced air cooling is recommended.

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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