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.
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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