Low Order Waveplatesare much better than the multi-order wave-plates because of its thinnerthickness less than 0.5 mm). Better temperature(~36C), Wavelength(~1.5 nm) and incident angle(~4.5) bandwid..
| Item |
Quartz Waveplate
|
MgF2 Waveplate
|
| Wavelength |
210-2000nm
|
190-7000nm
|
| Surface |
20/10
|
40/20
|
| Retardation tolerance |
λ/60-λ/100(λ<400nm)
λ/100-λ/200(400nm<λ<700nm)
λ/200-λ/500(λ>700nm)
|
|
| Parallelism |
< 1 arc sec
|
|
| Wavefront Distorance |
<λ/10@633nm
|
|
| Damage Threshold |
>500MW/cm2@1064nm, 20ns, 20Hz
|
|
| Coating |
AR Coating
|
|
|
1/4 Waveplate PN
|
1/2 Waveplate PN
|
Dia（mm）
|
Holder（mm）
|
|
WPL210
|
10.0
|
25.4
|
|
|
WPL412
|
WPL212
|
12.7
|
25.4
|
|
WPL415
|
WPL215
|
15.0
|
25.4
|
|
WPL420
|
WPL220
|
20.0
|
25.4
|
|
WPL425
|
WPL225
|
25.4
|
30.0
|