Materials: JGS2 Optical Quartz
Shape: Rectangular
Thickness Range: 0.5mm – 10mm (customizable)
Optical Transmission: ≥85% @ 200nm, ≥90% @ 550nm, ≥92% @ 800nm
Refractive Index: 1.553 (at 200nm), 1.46 (at 550nm), 1.457 (at 850nm)
Birefringence: <10nm/cm (typical)
Thermal Expansion Coefficient: 5.5 × 10⁻⁷ /°C (20–300°C)
Thermal Conductivity: 1.38 W/m·K (at 25°C)
Specific Heat: 670 J/kg·K (at 20°C)
Maximum Operating Temperature: 1100°C
Softening Point: 1665°C
Annealing Point: 1215°C
Strain Point: 1120°C
Hardness: 5.5 – 6
Density: 2.203 g/cm³
Young's Modulus: 72 GPa
Poisson's Ratio: 0.17
Surface Quality: 10-5 Scratch-Dig
Surface Flatness: λ/10 – λ/4 @ 633nm (based on spec)
Parallelism: ≤3 arcmin or customized
Chemical Resistance: Excellent