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Low-Order Waveplate
Low(multiple) order waveplate is designed to give a retardance of several full waves, plus the desired fraction. This result in a single, physically robust component with desired performance. However, even small changed in wavelength or temperature will result in significant changes in the desired fractional retardance. They are less expensive and find use in many applicatios where the increased sensitivities are not an important.

 Low-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

240-2100 nm

Parallelism

< 5 arc seconds

Clear Aperture

> 80%

Surface Quality

20-10 scratch and dig

AR/AR Coating

R < 0.2% at central wavelength

 

Low-Order Waveplate Standard Products:

 

Uncoated

Coated

Ф (mm)

Part No.

 Part No.

10.0

TLW101

TLW201

12.7

TLW102

TLW202

25.4

TLW103

TLW203

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

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