Adjustable spiral phase plate |
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| Authors: | Rotschild Carmel Zommer Shachaf Moed Shulamit Hershcovitz Oren Lipson Stephen G |
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| Affiliation: | Department of Physics, Technion-Israel Institute of Technology, 32000 Haifa, Israel. |
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| Abstract: | A spiral phase retarder phi(r, theta) = mtheta has been constructed with use of a deformed cracked plexiglass plate. By changing the degree of deformation, the retarder can be adjusted for use at any wavelength, and the value of the phase step 2pim at theta = 2pi can be chosen. |
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