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Home > Products > Optics > Optical Filters > Heat Control Filters

Heat Control Filters
Heat Control Filters
  • Hot mirrors reflect near-IR heat and transmit visible light at 0°
  • Cold mirrors reflect visible light and transmit near-IR heat at 45°
  • Available in 25.4 mm diameter and 50.8 mm square sizes.

Product DescriptionProduct DetailSpecificationsCatalog PDF
Product Description
Our hot mirrors are heat-reflecting mirrors/filters designed to transmit visible wavelengths while reflecting near-infrared heat generating wavelengths. Our cold mirrors are heat-transmitting mirrors/filters designed to reflect visible wavelengths while transmitting near-infrared wavelengths. These filters can be used to remove heat from an optical system.



Coatings
 Type  Wavelength  Reflectivity &
Transmission		  Angle of Incidence
 Hot Mirror  200–390 nm
420–690 nm
725–1550 nm		  Tavg≤1.0%
Tavg≥85%
Ravg≥90 %		  0° ±15°
 Cold Mirror  400–700 nm
780–1250 nm
850–2500 nm		  Ravg≥95 %
Tavg≥85%
Tavg≥80%		  45° ±5°


Ordering Information
 Quantity  Model  Description  Price
 
Available Today		  10HMR-0  Heat Control Filter, 25.4 Dia, 0° Hot Mirror  
$45.00
 
Available Today		  20HMS-0  Heat Control Filter, 50.8 x 50.8mm, 0° Hot Mirror  
$65.00
 
Available Today		  10CMR-45  Heat Control Filter, 25.4 Dia, 45° Cold Mirror  
$45.00
 
Available Today		  20CMS-45  Heat Control Filter, 50.8 x 50.8mm, 45° Cold Mirror  
$75.00



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