Diffractive phase elements for pattern formation: phase-encoding geometry considerations
Space-invariant, multilevel, diffractive phase elements are designed for large-scale pattern-formation tasks. The importance of the design algorithm and the phase-encoding geometry of the diffractive element is discussed with regard to the performance of both on- and off-axis reconstruction, notably...
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Veröffentlicht in: | Applied Optics 1997-12, Vol.36 (35), p.9132-9137 |
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container_issue | 35 |
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container_title | Applied Optics |
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creator | Barton, I M Blair, P Taghizadeh, M R |
description | Space-invariant, multilevel, diffractive phase elements are designed for large-scale pattern-formation tasks. The importance of the design algorithm and the phase-encoding geometry of the diffractive element is discussed with regard to the performance of both on- and off-axis reconstruction, notably for pixelated gratings. A new phase-encoding scheme is presented that results in an increase of the diffraction efficiency for the off-axis case. |
doi_str_mv | 10.1364/ao.36.009132 |
format | Article |
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language | eng |
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source | Alma/SFX Local Collection; Optica Publishing Group Journals |
title | Diffractive phase elements for pattern formation: phase-encoding geometry considerations |
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