| Retarder Material | Birefringence polymer plate stack |
|---|---|
| Substrate Material | Fine annealed optical glass |
| Retardation | λ/4, λ/2 |
| Retardation Accuracy | ± λ/100 |
| Wavefront deformation | < λ/4 per cm at 632.8 nm |
| Surface Quality | 40 – 20 scratch – dig |
| Beam Deviation | < 5 arcsec |
| Temperature Range | -20 °C to +50 °C |
| Antireflection Coating | R < 1% per surface |
| Outer Diameter | 15, 20, 25, 30, 40, 50, 60, 70 mm |
| Clear Aperture | > 90% of Outer Diameter |
| Damage Threshold | 500 W/sm² CW |
| Cleaning | Ethanol |
| Kind of Waveplate (Retarder) | Achromatic True Zero-Order Waveplates (APAW, λ/4, λ/2) |
|---|---|
| Angular Acceptance | ±7° |
| Thickness | 4÷8 |
| Wavelength Range, nm |
400÷600 450÷675 500÷750 600÷900 700÷1050 800÷1200 |
Each plate is made-to-order with the use of modern high-precision equipment and in accordance with the latest techniques of copyright scientists and researchers of our company.
The cost of one plate, depending on the diameter and the total value of the contract and will start from 200 Euro.
* – Minimum order is 1,000 Euro.