Sichuan Yasi Optics Co.,Ltd.
Sichuan Yasi Optics Co.,Ltd.
Products

Specifications of Infrared Optical Germanium Window AR/AR AR/DLC Coated Customized


Density(g*cm-3)5.33
Melting point(℃)936
Dielectric constant static/hyperframes16.6 @9.37GHZ(300K)
Thermal expansion coefficient(1/℃)6.1*10-6 @ 298K
Bulk modulus (Gpa)77.2
Shear modulus (Gpa)67
Thermal Conductivity   (J/k.m.s)58.61 @ 293K
Specific Heat(J/g.k)0.31
Knoop Hardness  (kg/mm²)780
Young's Modulus(Gpa)102.7
Poisson's Ratio0.28
Coefficient of elasticityC11 =129      C11 =48.3
C11 =67.1
Transmission wavelength2000nm—12000nm
Bulk Absorption Coefficient(1/cm)1.3*10-3@3800nm
3*10-2@10600nm
Thermo-optical  coeffecient,dn/dT  (1/k)4.08*10-4 @ 10600nm
Diameter(mm)Thickness(mm )CoatingDiameter(mm)Thickness(mm)
101AR/AR OR
AR/DLC
3-5μm OR
8-12μm AR,
<2% per
Surface
-
753
12.51755
20276.26
253808
3039010
38.1310010
40415015
50318018
50.8320020
63.5530035


Infrared Transmission: High transmittance in the infrared spectrum.
Thermal Stability: Maintains performance in varying temperature environments.
Durable: Resistant to mechanical stress and environmental factors.
Broad Spectral Range: Transmits from mid-IR to far-IR wavelengths.
Advantages of Infrared Optical Germanium Window AR/AR AR/DLC Coated Customized
  • Infrared Transparency: Germanium windows offer exceptional transparency in the infrared spectrum, crucial for thermal imaging and sensing applications.

  • High Thermal Conductivity: Ensures efficient heat dissipation, maintaining optical performance in high-temperature environments.

  • Durable: Resistant to mechanical stress and harsh environmental conditions, ensuring long-term reliability.

  • Broad Spectral Range: Transmits wavelengths from mid-IR to far-IR, suitable for various optical systems.