Paper Abstract and Keywords |
Presentation |
2024-10-29 10:05
Removal of conjugate image in incoherent digital holography using the single-sideband method Yui Igarashi (TUAT), Tatsuki Tahara (NICT), Yasuhiro Takaki (TUAT) |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Although incoherent digital holography (IDH) can record holograms using natural light, it has an issue of image quality degradation due to conjugate image and zero-order diffracted light. The phase shift method has been used to remove these unwanted components, which requires recording of three or more holograms. This requirement decreases the frame rate when using the time-division techniques and sacrifices the resolution when using the space-division techniques. In this study, we introduce the half zone plate method to IDH, which has been used for computer-generated holograms, into hologram recording. We propose a novel technique to remove the conjugate image and zero-order diffracted light by capturing half zone plates using the recording optical system and processing them based on the single-sideband method using a computer. This approach requires the recording of two phase-shifted holograms. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Incoherent Digital Holography / Single-Sideband Method / Half Zone Plate / / / / / |
Reference Info. |
ITE Tech. Rep., vol. 48, no. 34, 3DMT2024-58, pp. 1-4, Oct. 2024. |
Paper # |
3DMT2024-58 |
Date of Issue |
2024-10-22 (3DMT) |
ISSN |
Online edition: ISSN 2424-1970 |
Download PDF |
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Conference Information |
Committee |
3DMT |
Conference Date |
2024-10-29 - 2024-10-30 |
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(See Japanese page) |
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Paper Information |
Registration To |
3DMT |
Conference Code |
2024-10-3DMT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Removal of conjugate image in incoherent digital holography using the single-sideband method |
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Incoherent Digital Holography |
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Single-Sideband Method |
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Half Zone Plate |
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1st Author's Name |
Yui Igarashi |
1st Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
2nd Author's Name |
Tatsuki Tahara |
2nd Author's Affiliation |
National Institute of Information and Communications Technology (NICT) |
3rd Author's Name |
Yasuhiro Takaki |
3rd Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
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Speaker |
Author-1 |
Date Time |
2024-10-29 10:05:00 |
Presentation Time |
20 minutes |
Registration for |
3DMT |
Paper # |
3DMT2024-58 |
Volume (vol) |
vol.48 |
Number (no) |
no.34 |
Page |
pp.1-4 |
#Pages |
4 |
Date of Issue |
2024-10-22 (3DMT) |