Multiple Order λ/2 Half Wave Plate, High Damage Threshold, Low Cost
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Overview:
Multiple Order Wave plate means the fact that the retardance of a light path will undergo a certain number of full wavelength shifts in addition to the fractional design retardance. Half Wave Plates are typically used to rotate the polarization of light.
The net effect of multi order waveplate at the design wavelength is basically the same as zero order waveplate. But the optical bandwidth is limited. Also, the retardance has a higher temperature sensitivity. However, compared to zero order waveplates, multi-order wave plates are a more economical solution for many applications where increased sensitivities are not an issue.
Main Features of Multi Order Wave Plate:
- Good wavefront distortion and parallelism
- High damage threshod
- High precise phase retardation
- Large size available and fast delivery
- Economical solution
General Specifications Of Multi Order λ/2 Half Wave Plate:
| Material |
Crystal 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/100 |
| Standard Wave |
half-wave(λ/2)
|
| Coating |
Both sides AR coated, R<0.25% per face @ central wavelength |
| Damage Threshold |
>10J/cm2, 20ns, 20Hz @1064nm |
Standard Products Of Multi Order λ/2 Half Wave Plate:
| Part Number |
Diameter
(mm)
|
Retardation
(λ)
|
Wavelength
(nm)
|
Clear Aperture
(mm)
|
| WPM212-266 |
12.7 |
λ/2 |
266 |
11.5 |
| WPM225-266 |
25.4 |
λ/2 |
266 |
22.9 |
| WPM212-355 |
12.7 |
λ/2 |
355 |
11.5 |
| WPM225-355 |
25.4 |
λ/2 |
355 |
22.9 |
| WPM212-405 |
12.7 |
λ/2 |
405 |
11.5 |
| WPM225-405 |
25.4 |
λ/2 |
405 |
22.9 |
| WPM212-488 |
12.7 |
λ/2 |
488 |
11.5 |
| WPM225-488 |
25.4 |
λ/2 |
488 |
22.9 |
| WPM212-532 |
12.7 |
λ/2 |
532 |
11.5 |
| WPM225-532 |
25.4 |
λ/2 |
532 |
22.9 |
| WPM212-633 |
12.7 |
λ/2 |
633 |
11.5 |
| WPM225-633 |
25.4 |
λ/2 |
633 |
22.9 |
| WPM212-780 |
12.7 |
λ/2 |
780 |
11.5 |
| WPM225-780 |
25.4 |
λ/2 |
780 |
22.9 |
| WPM212-800 |
12.7 |
λ/2 |
800 |
11.5 |
| WPM225-800 |
25.4 |
λ/2 |
800 |
22.9 |
| WPM212-980 |
12.7 |
λ/2 |
980 |
11.5 |
| WPM225-980 |
25.4 |
λ/2 |
980 |
22.9 |
| WPM212-1030 |
12.7 |
λ/2 |
1030 |
11.5 |
| WPM225-1030 |
25.4 |
λ/2 |
1030 |
22.9 |
| WPM212-1064 |
12.7 |
λ/2 |
1064 |
11.5 |
| WPM225-1064 |
25.4 |
λ/2 |
1064 |
22.9 |
| WPM212-1550 |
12.7 |
λ/2 |
1550 |
11.5 |
| WPM225-1550 |
25.4 |
λ/2 |
1550 |
22.9 |
Retardance Graph of Multi Order Wave Plate:
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266nm Multi Order Waveplate
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355nm Multi Order Waveplate
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405nm Multi Order Waveplate
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488nm Multi Order Waveplate
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532nm Multi Order Waveplate
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633nm Multi Order Waveplate
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780nm Multi Order Waveplate
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800nm Multi Order Waveplate
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980nm Multi Order Waveplate
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1030nm Multi Order Waveplate
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1064nm Multi Order Waveplate
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1550nm Multi Order Waveplate
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