Specification
Retarder Material | Muscovite Mica |
Substrate Material | N-BK7 |
Transmitted Wavefront: | <1 Lambda at 633 nm for diameters 25.4 mm |
Clear Aperture: | >85% of central diameter |
Surface Quality | 40-20 scratch dig |
Diameter D Tolerance: | +0/-0.25 mm |
Retardation Tolerance: | /10 for 550 nm types |
Thickness t Tolerance: | +/- 0.25 mm |
Damage Threshold (uncoated): | 0.7 J cm, 11 ns, 100 Hz @ 1064 nm |
Temperature Coefficient of Retardation per C | negligible |
Part Number | Wavelength Range | Center Wavelength | Retardation | Diameter | Thickness t |
| nm | nm |
| mm | mm |
MA0100455 | 400-700 | 550 | /4 | 10.0 | 2.5 |
MA0200455 | 400-700 | 550 | /4 | 20.0 | 2.5 |
MA0250455 | 400-700 | 550 | /4 | 25.0 | 2.5 |
MA0254455 | 400-700 | 550 | /4 | 25.4 | 2.5 |
MA0500455 | 400-700 | 550 | /4 | 50.0 | 3.5 |
MA0100255 | 400-700 | 550 | /2 | 10.0 | 2.5 |
MA0200255 | 400-700 | 550 | /2 | 20.0 | 2.5 |
MA0250255 | 400-700 | 550 | /2 | 25.0 | 2.5 |
MA0254255 | 400-700 | 550 | /2 | 25.4 | 2.5 |
MA0500255 | 400-700 | 550 | /2 | 50.0 | 3.5 |
MA0100485 | 700-1100 | 850 | /4 | 10.0 | 2.5 |
MA0200485 | 700-1100 | 850 | /4 | 20.0 | 2.5 |
MA0100285 | 700-1100 | 850 | /2 | 10.0 | 2.5 |
MA0200285 | 700-1100 | 850 | /2 | 20.0 | 2.5 |