Optically Contacted Zero Order Λ/2 Half Wave Plate, Optical Path
Glue-Free Overview: Optically contacted zero order wave plate is made from two
multiple order plates with slightly different thicknesses. The two
plates are constructed by optically contacted method and this
design allows the optically contacted zero order waveplate to
operate well in relatively high power application and
wide wavelength range. Optically contacted zero order
waveplates also feature particularly fine wavefront distortion and
parallelism as the optical path is glue-free. A linearly polarized beam incident on a half-wave crystal quartz
waveplate emerges as a linearly polarized beam, but is rotated such
that its angle to the optical axis is twice that of the incident
beam. Half-waveplates can therefore be used as continuously
adjustable polarization rotators. Such waveplates are used to
rotate the plane of polarization, as well as for electro-optic
modulation and as a variable ratio beamsplitter when used in
conjunction with a polarization cube. Main Features of Optically Contacted Zero Order Wave Plate: - Optically contacted, glue-free structure
- Wide operational wavelength range and high temperature-stability
- High damage threshold and excellent wavefront distortion and
parallelism
- Better retardation steadiness
General Specifications of Optically Contacted Zero
Order λ/2 Half Wave Plate: Material | Crystalline Quartz | Dimension Tolerance | +0.0/-0.2mm | Surface Quality | 20/10 scratch and dig | Clear Aperture | >90% central area | Wavefront Distortion | <λ/8@632.8nm | Parallelism | <1 arc second | Retardation Tolerance | <λ/300 | Standard Wave | half-wave(λ/2) | Coating | Both sides AR coated, R<0.25% per face @ central wavelength | Damage Threshold | >5J/cm2, 20ns, 20Hz @1064nm |
Standard Products of Optically Contacted Zero Order λ/2 Half Wave Plate: Part Number | Type | Diameter (mm) | Retardation (λ) | Wavelength (nm) | Clear Aperture (mm) | WPO212-248 | Optically contacted | 12.7 | λ/2 | 248 | 11.5 | WPO220-248 | Optically contacted | 20 | λ/2 | 248 | 18 | WPO225-248 | Optically contacted | 25.4 | λ/2 | 248 | 22.9 | WPO212-266 | Optically contacted | 12.7 | λ/2 | 266 | 11.5 | WPO220-266 | Optically contacted | 20 | λ/2 | 266 | 18 | WPO225-266 | Optically contacted | 25.4 | λ/2 | 266 | 22.9 | WPO212-355 | Optically contacted | 12.7 | λ/2 | 355 | 11.5 | WPO220-355 | Optically contacted | 20 | λ/2 | 355 | 18 | WPO225-355 | Optically contacted | 25.4 | λ/2 | 355 | 22.9 | WPO212-488 | Optically contacted | 12.7 | λ/2 | 488 | 11.5 | WPO220-488 | Optically contacted | 20 | λ/2 | 488 | 18 | WPO225-488 | Optically contacted | 25.4 | λ/2 | 488 | 22.9 | WPO212-532 | Optically contacted | 12.7 | λ/2 | 532 | 11.5 | WPO220-532 | Optically contacted | 20 | λ/2 | 532 | 18 | WPO225-532 | Optically contacted | 25.4 | λ/2 | 532 | 22.9 | WPO212-633 | Optically contacted | 12.7 | λ/2 | 633 | 11.5 | WPO220-633 | Optically contacted | 20 | λ/2 | 633 | 18 | WPO225-633 | Optically contacted | 25.4 | λ/2 | 633 | 22.9 | WPO212-780 | Optically contacted | 12.7 | λ/2 | 780 | 11.5 | WPO220-780 | Optically contacted | 20 | λ/2 | 780 | 18 | WPO225-780 | Optically contacted | 25.4 | λ/2 | 780 | 22.9 | WPO212-852 | Optically contacted | 12.7 | λ/2 | 852 | 11.5 | WPO220-852 | Optically contacted | 20 | λ/2 | 852 | 18 | WPO225-852 | Optically contacted | 25.4 | λ/2 | 852 | 22.9 | WPO212-1030 | Optically contacted | 12.7 | λ/2 | 1030 | 11.5 | WPO220-1030 | Optically contacted | 20 | λ/2 | 1030 | 18 | WPO225-1030 | Optically contacted | 25.4 | λ/2 | 1030 | 22.9 | WPO212-1064 | Optically contacted | 12.7 | λ/2 | 1064 | 11.5 | WPO220-1064 | Optically contacted | 20 | λ/2 | 1064 | 18 | WPO225-1064 | Optically contacted | 25.4 | λ/2 | 1064 | 22.9 | WPO212-1550 | Optically contacted | 12.7 | λ/2 | 1550 | 11.5 | WPO220-1550 | Optically contacted | 20 | λ/2 | 1550 | 18 | WPO225-1550 | Optically contacted | 25.4 | λ/2 | 1550 | 22.9 | WPO212-2020 | Optically contacted | 12.7 | λ/2 | 2020 | 11.5 | WPO220-2020 | Optically contacted | 20 | λ/2 | 2020 | 18 | WPO225-2020 | Optically contacted | 25.4 | λ/2 | 2020 | 22.9 |
Retardance Graph of Optically Contacted Zero Order Wave Plate: 248nm Optically Contacted Zero Order Waveplate
| 266nm Optically Contacted Zero Order Waveplate
| 355nm Optically Contacted Zero Order Waveplate
| 488nm Optically Contacted Zero Order Waveplate
| 532nm Optically Contacted Zero Order Waveplate
| 633nm Optically Contacted Zero Order Waveplate
| 780nm Optically Contacted Zero Order Waveplate
| 852nm Optically Contacted Zero Order Waveplate
| 1030nm Optically Contacted Zero Order Waveplate
| 1064nm Optically Contacted Zero Order Waveplate
| 1550nm Optically Contacted Zero Order Waveplate
| 2020nm Optically Contacted Zero Order Waveplate
|
|