Multiple Order Half Waveplate 850 nm
Description
Ealing Multiple Order Waveplates are available in a range of laser-line wavelenths, mounted in a 25.4 mm diameter mount. Multiple Order Waveplates are sensitive to changes in temperature, angle of incidence, and degree of collimation. They are intended for use at the design wavelength only. If used at a different wavelength, a retardation change of 10% occurs for every 0.2 nm deviation.
Multiple Order Half Waveplate 850 nm
Specifications |
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|---|---|
| Waveplate Type: | Multiple Order |
| Material: | Quartz |
| Mounting: | Mounted |
| Shape: | Round |
| Size: | 25.4 mm |
| Center Wavelength: | 850 nm |
| Retardation: | Lambda/2 |
| Retardation Accuracy: | +/- Lambda/200 |
| Wavefront Distortion: | <= Lambda/8 |
| Surface Quality (Scratch-Dig): | 10-5 |
Features
Quarter and half waveplates
Zero or multiple order available
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How to order?
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Ships from:
United States
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Sold by:
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On FindLight:
since 2017
Frequently Asked Questions
A Multiple Order Waveplate is a type of waveplate that is sensitive to changes in temperature, angle of incidence, and degree of collimation. It is intended for use at the design wavelength only.
The Multiple Order Half Waveplate features quarter and half waveplates, zero or multiple order available.
A Quarter Waveplate is used to convert linearly polarized beams into circularly polarized beams (and vice versa), while a Half Waveplate introduces a 90° rotation of the plane of polarization.
Applications for Half Waveplates include rotating the plane of polarization (e.g. in a laser), electro-optic modulation, and as a variable ratio beamsplitter (when used in conjunction with a polarizing cube).
The formula for calculating the phase difference of a waveplate is θ = ± 2vd (ne-no) λ where θ is the phase difference, d is the thickness of the waveplate in mm, ne and no are the refractive indices of the extraordinary and ordinary rays respectively, and λ is the wavelength in nm.