Multiple-order quarter waveplates are an economical tool for controlling the polarization state of lasers or other narrowband light sources. A quarter waveplate is used to convert linear to circular polarization and vice versa.
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05RP14-02 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 266 nm |
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$264.00 |
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05RP14-08 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 354.7 nm |
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$264.00 |
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05RP14-41 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 413 nm |
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$264.00 |
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05RP14-12 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 488 nm |
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$264.00 |
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05RP14-16 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 532 nm |
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$264.00 |
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Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 532 & 1064 nm
$302.00
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05RP24-05 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 532 & 1064 nm |
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$302.00 |
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05RP14-24 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 632.8 nm |
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$264.00 |
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05RP14-28 Quarter Wave Plate, Multiple-Order, Quartz, 12.7 mm Diameter, 780 nm |
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$264.00 |
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Quarter-wave plates are used to turn plane-polarized light into circularly polarized light and vice versa. To do this, we must orient the wave plate so that equal amounts of fast and slow waves are excited. We may do this by orienting an incident plane-polarized wave at 45° to the fast (or slow) axis, as shown.
A wave plate of practical thickness produces a multiple of λ/4 or λ/2 retardation (e.g., 15 1/2 λ for a ~1mm thick optic). Such a plate will behave as expected at the design wavelength. However, as the optical wavelength is changed, the retardation will change much more rapidly than it would for a true zero-order wave plate. The higher the multiple (or order), the higher the retardance error a multiple-order waveplate will exhibit as the wavelength changes. For more information, please see our Introduction to Waveplates tutorial.
Wave plates are sensitive to temperature changes. A typical multiple-order wave plate has a temperature coefficient of 0.0015λ/°C, compared to 0.0001λ/°C for a zero-order wave plate, so tighter temperature control will be required.
Quartz is an example of a uniaxial crystal, or crystal in which one axis has a different refractive index than the other two axes. The index associated with the unique axis is called the extraordinary index, the ordinary refractive index is associated with the remaining two axes. A half or quarter wave plate is a polished slice of a uniaxial crystal, in which the extraordinary axis lies within the plane of the optic. Light with polarization vector components oriented along the ordinary axis will undergo a phase delay relative to the perpendicular component oriented along the extraordinary axis. Change in polarization state will depend on the input state, and the physical orientation of the waveplate.
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$582.00
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| Retaining Thread | 1.063-20 | |||||
| Compatible Optic Diameter* | 25.4 mm 12.7 mm ( 
$42.00
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| Special Features | 1 in. Mirror Mounts Compatibility | OpticsCage+™ Compatibility | Tip&Tilt Adjustments | Fine Adjustments | ||
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$237.00
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$185.00
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$158.00
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$158.00
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$455.00
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$441.00
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$434.00
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$291.00
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$74.00
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$56.00
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| Retaining Thread | 0.546-32 | 1.040-32 | 1.035-40 | 1.063-20 | 2.063-20 1.063-20 |
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| Compatible Optic Diameter* | 12.7 mm | 25.4 mm | 25.4 mm 12.7 mm (
$42.00
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50.8 mm 25.4 mm 12.7 mm (
$42.00
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50.8 mm (
$42.00
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38.1 mm ( 
$49.00
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25.4 mm ( 
$30.00
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12.7 mm ( 
$30.00
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6.35 mm ( 
$36.00
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| Special Features | Compact | Stackable | A-Line™ Compatibility | Fine Adjustments | Quick Exchange | |
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$1,825.00
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| Retaining Thread | 1.040-32 | 1.063-20 | 1.563-20 | |
| Compatible Optic Diameters* | 25.4 mm | 25.4 mm 12.7 mm |
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*The adapter in parentheses is required for the optic size before it.
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