UQG Optics

CORNING VYCOR® 7913
Vycor® is a 96% silica glass used for high temperature applications.

Transmission (%)

Wavelength (nm) thickness 1.20mm
Special Features
  • Superior optical quality
  • Tight dimensional control
  • Thermal and chemical properties ideally suited to high temperatures
  • Easy conversion from fused quartz
  • Excellent thermal shock resistance
Mechanical Properties
  Metric
Density 2.18g/cm3
Young’s Modulus 6.75 x 103 kg/mm2
Poisson’s Ratio 0.19
Shear Modulus 2.85 x 103 kg/mm2
Knoop Hardness (KHN100) 487
Viscosity Properties
Softening Point 1530° C
Annealing Point 1020° C
Strain Point 890° C
Thermal Properties
Coefficient of Expansion (0-300°C) 7.5 x 10-7/ °C
Specific Heat 25 °C 0.18 cal/g °C
Thermal Conductivity 25°C 0.0033 cal cm
sec cm2 °C
Thermal Diffusivity 25°C 0.0090 cm2
sec
Continuous Operating Temperature 900°C
Optical Properties
Refractive Index (589.3nm) 1.458
Birefringence Constant 360 nm/cm
kg/mm2


WHILE EVERY ATTEMPT HAS BEEN MADE TO VERIFY THE SOURCE OF THE INFORMATION, NO RESPONSIBILITY IS ACCEPTED FOR ACCURACY OF DATA.