OFT focuses on all kinds of optical thin film with metallized film preparation technology development, development of various optical window, optical filter, optoelectronic components and other products. We are committed to meet scientific research, high-end equipment, advanced industrial processing demand, consumer electronics and other fields.

Ir optical window

Substrate material: germanium or silicon

Optical thin film teacnique, long wave pass, band-pass, or according to customer requirements

Metallized: Cr/Ni/Au, Ti/Ni/Au, Ti/Pt/Au, etc.

Feet inches: according to customers' requirements

Surface quality: 40/20 or 20/10 (MIL - PRF - 13830 - b)

@ 85% humidity test: > 500 hours and 85 ℃

Infrared optical filter

OPT has developed a series of infrared band pass filter, with working wavelength 3~14um, which is widely used in the analysis and leakage detection of CO2, CO, SO2 or NH3 gases.

Infrared sensor wafer wafer encapsulation window

Substrate material: Silicon

Optical thin film: 8 ~ 14 um or according to customer's requirements

Solder ring: Au80Sn20 or according to customer requirements

Dimension: 6 or 8 inches

Surface quality: 40/20 or 20/10 (MIL - PRF - 13830 - b)

@ 85% humidity test: > 500 hours and 85 ℃

Gold-tin alloy thin film

Substrate material: silicon, germanium, alumina, aluminum nitride ceramic, etc

Alloy composition: Au80Sn20 or according to customer requirements

Film thickness: 2 ~ 15 um or according to customer's requirements

Dimension: according to customer's requirements

Metallized ceramic substrate

Substrate material: alumina ceramic, aluminum nitride ceramic, etc

Metallized: Cr/Ni/Au, Ti/Ni/Au, Ti/Pt/Au or according to customer requirements

Figure shape: according to customer requirement

Dimension: according to customer's requirements

High damage threshold laser film

The developed optical thin film used in high energy laser system, film has a very high damage threshold, that can tolerate intense laser radiation.

Substrate material: quartz glass, optical glass, laser crystal

Damage threshold: 70 j/cm2 @ 3 ns

Surface quality: 10/5 (MIL - PRF - 13830 - b)

Wavefront aberration: lambda / 10

Working wavelength: 266 nm to 3000 nm

Feet inches: according to customers' requirements
Feet inches: according to customers' requirements

In addition to the above products, we have customized service, can according to customer requirements to provide customized development, production and services, customer satisfaction is our eternal purpose.