Windows
Specifications
Substrate Materia :
.............BK7 glass, fused silica, Float Glass, Color Glass
Transmitted Wavefront......................... λ/4 @ 632.8nm
Surface Quality .....................................40-20 or above
Dimension Tolerance..................... + 0.00mm, - 0.20mm
Thickness Tolerance .....................................± 0.10mm
Parallelism .............................................................3"~1'
Chamfer ..................................................0.25mm x 45°
Clear Aperture............................. ≥85% of central Area
