Specifications - Liquid Crystal Variable Retarder | |
Retarder Material | Nematic liquid crystal |
Substrate Material | Optical quality synthetic fused silica |
Wavelength Range | 450-1800 nm (specify) |
Retardance Range | |
Without compensator With compensator |
~30 nm to λ/2 0 to λ/2 |
Transmitted Wavefront Distortion | ≤ λ/4 |
Surface Quality (scratch-dig) | 40-20 |
Beam Deviation | ≤ 2 arc min |
Reflectance (per surface) | ≤ 0.5% at normal incidence |
Temperature | 0˚C to +50˚C |
Laser Damage Threshold |
500 W/cm2, CW 300 mJ/cm2, 10 ns, visible |
Ordering Information - Liquid Crystal Variable Retarder | |||
Clear Aperture in. [mm] |
Diameter ± 0.005 in. [± 0.13 mm] |
Thickness in. [mm] |
Part Number |
Without Attached Compensator (30 nm to λ/2) | |||
0.37 [9.4] |
Ø1.00 [Ø25.4] |
1.23 [31.2] |
LVR-100 |
0.70 [17.8] |
Ø2.00 [Ø50.8] |
0.75 [19.1] |
LVR-200 |
1.60 [40.6] |
Ø3.00 [Ø76.2] |
1.00 [25.4] |
LVR-300 |
With Attached Compensator (0 nm to λ/2) | |||
0.37 [9.4] |
Ø1.00 [Ø25.4] |
1.23 [31.2] |
LRC-100 |
0.70 [17.8] |
Ø2.00 [Ø50.8] |
0.75 [19.1] |
LRC-200 |
1.60 [40.6] |
Ø3.00 [Ø76.2] |
1.00 [25.4] |
LRC-300 |
We offer standard liquid crystal retarders to cover four spectral regions:
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Please specify spectral region when placing your order For temperature control options, append-TSC to part number. |