Quartz Waveplate / WPQ
A zero-order wavelength plate consisting of two quartz plates bonded together. It can be used for polarization experiments using various types of lasers.
Common Specifications
| Material | Crystalline quartz |  |
|---|---|---|
| Material of Frame | Aluminum Finishing: Black anodized | |
| Clear Aperture | 17×17mm | |
| Surface Flatness | λ/10 | |
| Angular Deviation of Beam | ＜5" | |
| Coating | Anti-reflection Coating on both side | |
| Transmittance | 98.5% | |
| Laser Damage Threshold | 1J/cm2(Laser pulse width 10ns, repetition frequency 20Hz) | |
| Surface Quality (Scratch-Dig) | 20-10 |
| Schematic λ/2 | Schematic λ/4 | Outline Drawing |
|---|---|---|
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| λ/2 | |||
|---|---|---|---|
| Part Number | Wavelength Range | Theoretical Retardation | Retardation Tolerance |
| WPQ-2660-2M | 266nm | 133nm | ＜λ/50 |
| WPQ-3250-2M | 325nm | 162.5nm | ＜λ/50 |
| WPQ-3550-2M | 355nm | 177.5nm | ＜λ/50 |
| WPQ-4050-2M | 405nm | 202.5nm | λ/100 － λ/200 |
| WPQ-4100-2M | 410nm | 205nm | λ/100 － λ/200 |
| WPQ-4416-2M | 441.6nm | 220.8nm | λ/100 － λ/200 |
| WPQ-4579-2M | 457.9nm | 229nm | λ/100 － λ/200 |
| WPQ-4880-2M | 488nm | 244nm | λ/100 － λ/200 |
| WPQ-5145-2M | 514.5nm | 257.3nm | λ/100 － λ/200 |
| WPQ-5320-2M | 532nm | 266nm | λ/100 － λ/200 |
| WPQ-6328-2M | 632.8nm | 316.4nm | λ/100 － λ/200 |
| WPQ-6700-2M | 670nm | 335nm | λ/100 － λ/200 |
| WPQ-7800-2M | 780nm | 390nm | λ/200 － λ/500 |
| WPQ-8300-2M | 830nm | 415nm | λ/200 － λ/500 |
| WPQ-10640-2M | 1064nm | 532nm | λ/200 － λ/500 |
| WPQ-13000-2M | 1300nm | 650nm | λ/200 － λ/500 |
| WPQ-15500-2M | 1550nm | 775nm | λ/200 － λ/500 |
| λ/4 | |||
|---|---|---|---|
| Part Number | Wavelength Range | Theoretical Retardation | Retardation Tolerance |
| WPQ-2660-4M | 266nm | 66.5nm | ＜λ/50 |
| WPQ-3250-4M | 325nm | 81.3nm | ＜λ/50 |
| WPQ-3550-4M | 355nm | 88.8nm | ＜λ/50 |
| WPQ-4050-4M | 405nm | 101.3nm | λ/100 － λ/200 |
| WPQ-4100-4M | 410nm | 102.5nm | λ/100 － λ/200 |
| WPQ-4416-4M | 441.6nm | 110.4nm | λ/100 － λ/200 |
| WPQ-4579-4M | 457.9nm | 114.5nm | λ/100 － λ/200 |
| WPQ-4880-4M | 488nm | 122nm | λ/100 － λ/200 |
| WPQ-5145-4M | 514.5nm | 128.6nm | λ/100 － λ/200 |
| WPQ-5320-4M | 532nm | 133nm | λ/100 － λ/200 |
| WPQ-6328-4M | 632.8nm | 158.2nm | λ/100 － λ/200 |
| WPQ-6700-4M | 670nm | 167.5nm | λ/100 － λ/200 |
| WPQ-7800-4M | 780nm | 195nm | λ/200 － λ/500 |
| WPQ-8300-4M | 830nm | 207.5nm | λ/200 － λ/500 |
| WPQ-10640-4M | 1064nm | 266nm | λ/200 － λ/500 |
| WPQ-13000-4M | 1300nm | 325nm | λ/200 － λ/500 |
| WPQ-15500-4M | 1550nm | 387.5nm | λ/200 － λ/500 |
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