Key features:
Specification
Material: | crystal quartz |
Diameter tolerance: | +0.0, -0.1mm |
Wavefront distortion: | Lambda/8@632.8nm |
Retardation tolerance: | Lambda/500 |
Wavelength range: | 400-2100nm |
Parallelism: | < 1 arc second |
Surface quality: | 20-10 scratch & dig |
Coating: | AR/AR coating, R < 0.2% on both surface at central wavelength |