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Products application

Thin film photovoltaic
Flat display industry
Low-e glass industry
Optical coating industry
Tools coating industry
Semiconductor industry
Rare-Earth Permanent industry
Electrochromis industry

current location:Home > Products application > Optical coating industry

Optical Coating is using physics and chemistry method to coating electric films or metal films on surface of the material .According to the different wavelengths the refractive index of the fiber is different,make up different thickness of the film，for change the material on the surface of the reflection and transmission characteristics .

In the range of visible and infrared bands,the most refractive index of the metal can reach 78%~98%. but can't exceed 98%.Both for CO2 laser,using Cu/Mo/Si/Ge etc. to makereflectors ,using Ge/AsGa/SnZn as the the output window and Transmission optical element materia . or for YAG laser adopt ordinary optical glass as a reflectors.output mirror and transmission optical element material,can't meet the requirements of more than 99% reflection mirror, the different ourput mirror have different require of transmittance,so it must adopt optical coating method 。

For the CO2 laser in the infrared wave band,Commonly used coating material is YF/PF/Ge, etc.For YAG laser or visible near infrared band, the commonly used coating materials is SZn/MgF/Ti2Ox/ZrO, etc。

In addition to the high-reflective film、 antireflection film , it also can be plated a special film which can increases reflection for a certain wavelength ,increases transmission for other wavelength,such as laser frequency multiplication technology of beamsplitters, etc.

APG in Optical Coating indusrty to provide target material basically has:

Type	ltem	Descripetion	Purity	Technology
Ceramic-Targets	Nb2O5	acc. your require	99.99%	spraying、CIP+sintering
	SiO2		99.999%	melting
	Al2O3		99.99%	sintering
	HfO2		99.99%	sintering
	Ta2O5		99.99%	sintering
Aolly-Targets	SiZr		99.99%	spraying
Purity-Targets	Si		99.999%	pulled crystal+spraying+sintering
	Nb		99.95%	sintering、HIP
	Ta		99.95%	HIP
	Hf		99.9%	HIP
	Zr		99.9%	melting
	Al		99.999%	melting
	Cr		99.95%	HIP
	Ti		99.999%	HIP