Combining high transmission, low reflection and moderate environmental resistance, this coating is best suited for internal surfaces applications. Umicore can successfully apply HEAR coatings to Germanium, Silicon, Zinc Selenide, and Gasir® substrates.
Below is a table showing the typical specification of Umicore’s HEAR coatings.
Contact us to discuss your specific substrate and spectral requirements.
HEAR Product ID
UCS_Ge_01 Rev 7.0
UCS_Ge_05 Rev 1.0
UCS_Si_01 Rev 2.0
UCS_ZAR_03 Rev 2.0
UCS_GASIR1_01 Rev 2.0
UCS_GASIR5_01 Rev 7.0
Substrate
Germanium
Germanium
Silicon
Zinc Selenide
Gasir®1
Gasir®5
Waveband
8-12µm
3-5µm
3-5µm
8-12µm
8-12µm
8-12µm
Transmission Average (thru both sides)
≥98% 8µm-12µm ≥95% 8µm-14µm
≥98% 3µm-5µm
≥98% 3µm-5µm
≥98% 8µm-12µm
≥97% 8µm-12µm ≥95% 8µm-14µm
≥97% 8µm-12µm ≥95% 8µm-14µm
Reflection Average (per surface)
≤0.5% 8µm-12µm ≤1.0% 8µm-14µm
≤1.0% 3µm-5µm
≤1.0% 3µm-5µm
≤0.5% 8µm-12µm
≤1.0% 8µm-12µm ≤1.5% 8µm-14µm
≤1.0% 8µm-12µm ≤1.5% 8µm-14µm
Angle of Incidence
0°-20°
0°-20°
0°-20°
0°-20°
0°-20°
0°-20°
Example spectral scan of an HEAR 8-12µm Coating on Germanium
Umicore uses certain monitoring and tracking technologies such as cookies. These technologies are used in order to maintain, provide and improve our services on an ongoing basis, and in order to provide our web visitors with a better experience.
By clicking on the "Accept all" button you agree to the use of these cookies while using the website. For further information regarding how we use cookies and other tracking technologies, please see section 11 of our website privacy notice.
