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THz Anti-Reflection Coating, Infrared Anti-Reflection Coating
Product Introduction
It is well known that due to high reflection loss, the transmittance rate of THz waves through crystalline materials is not high (the transmittance rate of HRFZ-Si is only 54%, and the transmittance rate of quartz crystals in the THz band is approximately 70%). And THz anti-reflection films can be used to reduce reflection loss. We provide technologies for depositing THz anti-reflection films on both flat and convex surfaces. High-resistance silicon lenses or windows.
一、High-Resistance Silicon Lens or Window
Enhancement transmittance frequency/wavelength:1000-17.5 μm(0.3-17 THz);
Anti-reflection method: Single-layer(central wavelength)anti-reflection;
The anti-reflection effect at the central wavelength：
（1）Transmittance>80% @ 17.5-22 μm (17-13.6 THz);
（2）Transmittance>90% @ 22-200 μm (13.6-1.5 THz);
（3）Transmittance>82% @ 200-1000 μm (1.5-0.3 THz).
High-resistance silicon wafer coated with thz anti-reflection film @ 129um transmittance rate curve
二、Infrared Anti-Reflection Coating
1、ZnSe windows, including two types of coated windows for normal temperature operation and 200℃ high-temperature operation, with standard diameters of 25 mm (thickness 4 mm) and 23 mm (thickness 2 mm), and other sizes can be customized.
Anti-reflective method:Multi-layer anti-reflective
Anti-reflective wavelength:2-20 μm
Anti-reflective effect:2-14 μm，transmittance>95%；14-20 μm，transmittance>90%.
2、KRS5 window, the size needs to be customized
Anti-reflective wavelength:1-40 μm
Anti-reflective method:multilayer anti-reflection coating
Anti-reflective effect:transmittance>90%
High-performance multi-spectral diffraction films, energy diffraction films, filter films, anti-reflection films, anti-reflective films, high-reflection films, metal films, transparent conductive films, etc. film preparation;
