Zero order waveplate is a quarter or half wave retarder made from two plates of quartz within their fast axes crossed. The difference in thickness between the two plates determines the retardance. Zero order retarders provide accurate retardance over a broad range of wavelengths and are more durable than single element retarders.
Zero order waveplate shows better performance than multiple order waveplates, it has broad bandwidth and a lower sensitivity to temperature and wavelength changes. It should be considered for more critical application.
Material |
Crystal Quartz |
Parallelism |
<1 arc second |
Diameter Tolerance |
+0.0/-0.2mm |
Surface Quality |
20/10 scratches & dig |
Retardation Tolerance |
<λ/500 |
Wavefront Distortion |
<λ/8@632.8 |
Coating |
R<0.2% at central wavelength |
Waveength Range |
240-2100 nm |
Zero Order Waveplate- Optical Cemented
Optical Cemented
High Damage Threshold
AR Coated, R<0.2%
Better Temperature Bandwidth
Wide Wavelength Bandwidth
Diameter(mm) |
Quarter Waveplate (Part No.) |
Half Waveplate (Part No.) |
|
10.0 |
WPOQ210 |
WPOH210 |
|
12.7 |
WPOQ212 |
WPOH212 |
|
15.0 |
WPOQ215 |
WPOH215 |
|
20.0 |
WPOQ220 |
WPOH220 |
|
25.4 |
WPOQ225 |
WPOH225 |
|
30.0 |
WPOQ230 |
WPOH230 |
Zero Order Waveplate-Cemented
Cemented by Epoxy
Better Temperature Bandwidth
Wide Wavelength Bandwidth
AR Coated, R<0.2%
Diameter(mm) |
Quarter Waveplate (Part No.) |
Half Waveplate (Part No.) |
|
10.0 |
WPCQ210 |
WPCH210 |
|
12.7 |
WPCQ212 |
WPCH212 |
|
15.0 |
WPCQ215 |
WPCH215 |
|
20.0 |
WPCQ220 |
WPCH220 |
|
25.4 |
WPCQ225 |
WPCH225 |
|
30.0 |
WPCQ230 |
WPCH230 |
Zero Order Waveplate- Air Spaced
Double Ratardation Piates
AR Coated, R<0.2% and Mounted
Hight Damage Threshold
Broad Temperature Bandwidth
Wide Wavelength Bandwidth
Diameter(mm) |
Aperture (nm) |
Thickness (nm) |
Quarter Waveplate (Part No.) |
Half Waveplate (Part No.) |
|
25.4 |
10 |
8 |
WPAQ210 |
WPAH210 |
|
25.4 |
12.7 |
8 |
WPAQ212 |
WPAH212 |
|
25.4 |
15 |
8 |
WPAQ215 |
WPAH215 |
|
30 |
20 |
8 |
WPAQ220 |
WPAH220 |
|
30 |
23.5 |
8 |
WPAQ225 |
WPAH225 |