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Zero-Order Waveplate
A quarter- or half-wave retarder made from two plates of quartz with 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 wavelength and are more durable than single-element retarders.

 Zero-Order Waveplate.jpg

 

Specification:

 

Material

Crystal Quartz

Dimension Tolerance

+0.0/-0.1 mm

Optical Angle Orientation Tolerance

±0.1°

Wavefront Distortion

λ/8 @632.8 nm

Retardation Tolerance

< λ/500

Wavelength Range

400-2100 nm

Parallelism

< 5 arc seconds

Clear Aperture

> 80%

Surface Quality

20-10 scratch and dig

AR/AR Coating

R < 0.2% at central wavelength

 

Zero-Order Waveplate Standard Products:

Cemented

Optically Contacted

Part No.

Ф(mm)

Part No.

Ф(mm)

TZW801

10.0

TZW804

10.0

TZW802

12.7

TZW805

12.7

TZW803

25.4

TZW806

25.4

Note: Other size, wavelength and coating are available upon request.

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