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Abrisa Technologies Cold Mirrors Reflect Ultra Violet (UV) or Visible Energy while Transmitting Heat Energy

Post Time:Oct 30,2012Classify:Industry NewsView:65

Santa Paula, CA – The ZC&R Coatings for Optics (ZC&R) division of Abrisa Technologies provides a line of cold mirrors that reflect Ultra Violet (UV) or visible energy while transmitting the infrared (heat energy). Cold mirror coatings are vacuum deposited multi-layer dielectric films that can operate in temperatures of ≥400°C and are durable and easy-to-clean.

The glass substrate used for our cold mirrors is SCHOTT Borofloat®, a versatile borosilicate glass substrate with excellent thermal properties. Thickness availability is 1.1mm, 1.75mm, and 3.3mm. Cold mirror sizes are available up to 27” diameter.

Cold Mirrors offered include: 

  • UV Cold Mirror – This cold mirror is specifically designed to reflect more than 95% average of ultra-violet (UV) rays from 350-450 nm and transmit more than 90% average 550-1200 nm at 45 degrees angle of incidence. Custom angles of incidence can be designed to specification.
  • CM-VS-STD 45 Degree Cold Mirror – This cold mirror filter is designed to operate at 45 degrees. It reflects the visible spectrum and transmits heat (infrared). The average reflectance is greater than 95% from 425 to 650 nm. Transmission is more than 85% average from 800 to 1200 nm. These filters are commonly coated for normal incidence applications as well. Custom angles of incidence can be designed to specification.
  • CM0-ES-STD 0 Degree Cold Mirror – This cold mirror filter is designed to operate at 0 degrees. It reflects the visible spectrum and transmits heat (infrared). The average reflectance is greater than 95% from 425 to 650 nm. Transmission is more than 85% average from 800 to 1200 nm. These filters are commonly coated for normal incidence applications as well. Custom angles of incidence can be designed to specification.

Typical applications for cold mirrors include:

  • Laser diode applications
  • Scanner and bar code readers
  • Dielectric mirrors in sensor technology
  • Filter applications – cold light
  • Lighting systems

Generally speaking, cold mirrors provided by Abrisa Technologies/ZC&R have excellent optical characteristics, high ultra violet (UV) or visible reflection, operate at high temperatures, provide good infrared transmission, have high mechanical stability, and provide effective heat/light separation.
ZC&R Cold mirrors meet adherence and abrasion resistance as per MIL-C-675C and ISO 9211-3.

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Source: http://www.glassonweb.com/news/index/17472/Author:

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