Light Shaping with Holography, GPC and Holo-GPC

Publication: Research - peer-reviewJournal article – Annual report year: 2017

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Light shaping techniques based on phase-only modulation offer multiple advantages over amplitude modulation. This review examines and compares the merits of two phase modulation techniques; phase-only computer generated holography and Generalized Phase Contrast (GPC). Both techniques are briefly presented while recent developments in GPC will also be covered. Furthermore, novel hybrid schemes that inherit merits from both holography and GPC are also covered. In particular, our most recent technique coined “Holo-GPC” will be discussed in addition to earlier hybrid techniques. We will discuss how Holo-GPC utilizes the simplicity of GPC in forming well-defined speckle-free shapes and the versatility of holography in distributing these shaped beams over an extended 3D volume. To conclude, we cite applications where the combined strengths of the two photon-efficient phase-only light shaping techniques open new possibilities.
Original languageEnglish
JournalOptical Data Processing and Storage
Volume3
Issue number1
Pages (from-to)20-40
DOIs
StatePublished - 2017
CitationsWeb of Science® Times Cited: No match on DOI

    Keywords

  • Generalized Phase Contrast, Holography, Holo-GPC, Laser beam shaping, Fourier optics, Spatial light modulators, Phase-only modulation
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