Polished IR Circular Discs

  • Sale
  • Regular price $95.00



Polished optical transmission windows for infrared spectroscopy useful in the range of 200-7,000nm.

 

Materials

Calcium Flouride (CaF2) Specs:

Wavelength range: 130nm-9500nm Coating: Uncoated
Diameter tolerance: +/-0.1mm Surface Quality: 60/40
Thickness tolerance: ±0.2mm Paralellism: <1 arc minute
Clear Aperture: 90% Density: 3.18g/cm3
Melting point: 1360ºC Young's Modulus: (GPa): 75.8
Coefficient of Thermal Expansion: 18.85x10/ºC Knoop Hardness:  158.3kg/mm2

 

Barium Flouride (BaF2) Specs:

Wavelength range: 200nm-12μm Coating: Uncoated
Diameter tolerance: +/-0.1mm Surface Quality: 60/40
Thickness tolerance: ±0.2mm Paralellism: <3 arc minute
Clear Aperture: 90% Density: 3.18g/cm3
Melting point: 1360ºC Young's Modulus: (GPa): 53
Coefficient of Thermal Expansion: 18.1x10/ºC Knoop Hardness:  82kg/mm2

 


 

KBr Specs:

Wavelength range: 250nm-26μm Coating: Uncoated
Diameter tolerance: ±0.5mm Surface Quality: 60/40
Thickness tolerance: ±0.2mm Paralellism: <5 arc minute
Clear Aperture: 90% Density: 2.753g/cm3
Melting point: 728ºC Young's Modulus: (GPa): 26.8
Coefficient of Thermal Expansion: 43 x 10-6/°C Knoop Hardness: 7kg/mm2 

 

KCl

Wavelength range: 210-20µm Coating: Uncoated
Diameter tolerance: ±0.25mm Surface Quality: 60/40
Thickness tolerance: ±0.25mm Paralellism: <3 arc minute
Clear Aperture: 90% Density: 1.989g/cm3
Melting point: 776ºC

Young's Modulus: (GPa): 29.67

Coefficient of Thermal Expansion: 36 x 10-6/°C Knoop Hardness: 780kg/mm2

Fused Silica (SiO2)

Germanium (Ge):

Wavelength range: 2-16μm Coating: Uncoated
Diameter tolerance: ±0.2mm Surface Quality: 60/40
Thickness tolerance: ±0.1mm Paralellism: <1 arc minute
Clear Aperture: 90% Density: 5.33g/cm3
Melting point: 938.2ºC

Young's Modulus: (GPa): 102.7

Coefficient of Thermal Expansion: 5.9 x 10-6/°C Knoop Hardness: 780kg/mm2

NaCl Specs:

Wavelength range: 250nm-20μm Coating: Uncoated
Diameter tolerance: ±0.5mm Surface Quality: 60/40
Thickness tolerance: ±0.2mm Paralellism: <5 arc minute
Clear Aperture: 90% Density: 2.17g/cm3
Melting point: 801ºC

Young's Modulus: (GPa): 39.98

Coefficient of Thermal Expansion: 44 x 10-6/°C Knoop Hardness: 18.2kg/mm2 

 

ZnS: 

Wavelength range: 1000nm-14μm Coating: Uncoated
Diameter tolerance: ±0.13mm Surface Quality: 60/40
Thickness tolerance: ±0.13mm Paralellism: <5 arc minute
Clear Aperture: 90% Density: 4.08g/cm3
Melting point: 1556.85ºC

Young's Modulus: (GPa): 74.5

Coefficient of Thermal Expansion: 6.8 10-6/°C Knoop Hardness: 210kg/mm2

 

 

ZnSe:

Wavelength range: 1000nm-14μm Coating: Uncoated
Diameter tolerance: ±0.13mm Surface Quality: 60/40
Thickness tolerance: ±0.13mm Paralellism: <3 arc minute
Clear Aperture: 90% Density: 5.27g/cm3
Melting point: 1516.85ºC

Young's Modulus: (GPa): 70

Coefficient of Thermal Expansion: 7.1 10-6/°C

Knoop Hardness: 120kg/mm2