General Specifications |
 Material: Crystal Quartz
|
Dimension: +0.05, -0.05mm |
Wavefront Distortion: <l/8@632.8 |
Retardation tolerance: <l/500 |
Parallelism: <1 arc second |
Surface Quality: 20/10 scratches and dig |
AR coating: R<0.2% at central wavelength |
Standard Wave: quarter-wave (l/4), half-wave (l/2) |
