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Paper Abstract and Keywords
Presentation 2022-09-09 13:05
Generation of Laguerre-Gaussian beam on equator of hybrid-order Poincare sphere by double-phase hologram
Yuto Nakamura, Takashi Kakue, Ken Morita, Tomoyoshi Shimobaba, Tomoyoshi Ito (Chiba Univ)
Abstract (in Japanese) (See Japanese page) 
(in English) Light of a complex polarization state which is mapped on hybrid-order Poincare sphere can be generated by superposition of Laguerre-Gaussian (LG) beams. However, intensity distribution of a LG beam along the radius direction depends on its orbital angular momentum. Then, it is difficult to superpose two LG beams with different orbital angular momenta by a phase-modulation-type spatial-light modulator (SLM). In this study, we control the intensity distribution of LG beams along the radius direction using a double-phase hologram which can modulate the complex amplitude of light reconstructed from a hologram by the phase-modulation-type SLM, and generate LG beams mapped on the equator of hybrid-order Poincare sphere.
Keyword (in Japanese) (See Japanese page) 
(in English) Double-phase hologram / CGH / Spatial-light modulator / Laguerre-Gaussian beam / Optical vortex / Hybrid-order Poincare sphere / /  
Reference Info. ITE Tech. Rep., vol. 46, pp. 1-4, Sept. 2022.
Paper #  
Date of Issue 2022-09-02 (AIT, 3DMT) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee AIT 3DMT OSJ-HODIC  
Conference Date 2022-09-09 - 2022-09-09 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) 3D image and holography 
Paper Information
Registration To OSJ-HODIC 
Conference Code 2022-09-AIT-3DMT-HODIC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Generation of Laguerre-Gaussian beam on equator of hybrid-order Poincare sphere by double-phase hologram 
Sub Title (in English)  
Keyword(1) Double-phase hologram  
Keyword(2) CGH  
Keyword(3) Spatial-light modulator  
Keyword(4) Laguerre-Gaussian beam  
Keyword(5) Optical vortex  
Keyword(6) Hybrid-order Poincare sphere  
1st Author's Name Yuto Nakamura  
1st Author's Affiliation Chiba University (Chiba Univ)
2nd Author's Name Takashi Kakue  
2nd Author's Affiliation Chiba University (Chiba Univ)
3rd Author's Name Ken Morita  
3rd Author's Affiliation Chiba University (Chiba Univ)
4th Author's Name Tomoyoshi Shimobaba  
4th Author's Affiliation Chiba University (Chiba Univ)
5th Author's Name Tomoyoshi Ito  
5th Author's Affiliation Chiba University (Chiba Univ)
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Speaker Author-1 
Date Time 2022-09-09 13:05:00 
Presentation Time 35 minutes 
Registration for OSJ-HODIC 
Paper # AIT2022-166, 3DMT2022-34 
Volume (vol) vol.46 
Number (no) no.27 
Page pp.1-4 
Date of Issue 2022-09-02 (AIT, 3DMT) 

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