| Paper Abstract and Keywords |
| Presentation |
2025-02-19 13:40
Investigation of the dependence of the accuracy of signal beam detection on the center wavelength during the partially coherent readout by the Transport of Intensity Equation method
Tomohiro Nishimura, Masatoshi Bunsen (Fukuoka Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In holographic data storage, partially coherent readout allows signal beam to be read out even when the recording medium is shrinking. On the other hand, it is difficult to detect the phase of the partially coherent signal beam by interferometry. Therefore, we have proposed to use the transport of intensity equation method, which is a non-interferometric method, to detect the phase of the read out signal beam. In this paper, we verify whether this detection method is effective even when the wavelength of the beam used for writing signals and the central wavelength of the reference beam for readout are different. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Holographic data storage / Partially coherent readout / Transport of intensity equation method / Complex-amplitude modulation / / / / |
| Reference Info. |
ITE Tech. Rep., vol. 49, no. 4, MMS2025-35, pp. 169-172, Feb. 2025. |
| Paper # |
MMS2025-35 |
| Date of Issue |
2025-02-11 (MMS, ME, AIT, SIP) |
| ISSN |
Online edition: ISSN 2424-1970 |
| Download PDF |
|
| Conference Information |
| Committee |
ME AIT MMS IEICE-IE IEICE-ITS SIP |
| Conference Date |
2025-02-18 - 2025-02-19 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Hokkaido Univ. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Image Processing, etc. |
| Paper Information |
| Registration To |
MMS |
| Conference Code |
2025-02-ME-AIT-MMS-IE-ITS-SIP |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Investigation of the dependence of the accuracy of signal beam detection on the center wavelength during the partially coherent readout by the Transport of Intensity Equation method |
| Sub Title (in English) |
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| Keyword(1) |
Holographic data storage |
| Keyword(2) |
Partially coherent readout |
| Keyword(3) |
Transport of intensity equation method |
| Keyword(4) |
Complex-amplitude modulation |
| Keyword(5) |
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| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Tomohiro Nishimura |
| 1st Author's Affiliation |
Fukuoka University (Fukuoka Univ.) |
| 2nd Author's Name |
Masatoshi Bunsen |
| 2nd Author's Affiliation |
Fukuoka University (Fukuoka Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2025-02-19 13:40:00 |
| Presentation Time |
15 minutes |
| Registration for |
MMS |
| Paper # |
MMS2025-35, ME2025-35, AIT2025-35, SIP2025-35 |
| Volume (vol) |
vol.49 |
| Number (no) |
no.4 |
| Page |
pp.169-172 |
| #Pages |
4 |
| Date of Issue |
2025-02-11 (MMS, ME, AIT, SIP) |