田原 樹

Let’s enjoy holography, under the sun!

2月2日、物質・デバイス領域共同研究拠点様(NJRC)より、自然光フルカラー動画ホログラフィに関する研究内容を御紹介いただきました。本拠点様制度を用いた共同研究活動を東北大学様、大阪大学様と長年行なってきて、この様に共同研究内容を高く評価して取り上げて下さり厚く御礼申し上げます。本研究内容は、千葉大学下馬場先生、東北大学小澤先生、大阪大学中村先生の各研究グループとの共同研究によるものです。
https://five-star.sanken.osaka-u.ac.jp/results/data/?fbclid=IwY2xjawPuOQ1leHRuA2FlbQIxMQBzcnRjBmFwcF9pZBAyMjIwMzkxNzg4MjAwODkyAAEeFVbyumVhX98GHOfM1k_x5rSuEaRgHWG8_dZLlh2bDm-aqCGhWcL9zUJgpoQ_aem_oM9wQ8vBsKlGzjwRFsIFZw
論文はこちら。
https://www.spiedigitallibrary.org/.../1.APN.4.3.036006.full

A peer-reviewed research article of incoherent digital holograhy with Newton ring was published in Optics and Laser Technology. Incoherent 3D imaging was experimentally demonstrated with more than 60 fps and depth range of 500 mm. 

T. Tahara, "Newton-ring holography," Optics and Laser Technology 194, 114406 (2026).

https://doi.org/10.1016/j.optlastec.2025.114406

A peer-reviewed editorial article in the special issue of Journal of Optics (IOP Publishing) "25th Anniversary Collection" was published. I contributed in this publication as the author of the section 11 "DH and quantitative phase imaging (QPI)" under the leadership of the lead author, Prof. Andrew Forbes. I am happy to participate in this publication as an Editorial board of JOPT. 

Andrew Forbes, Mohamed Swilliam, Kayn A Forbes, Yijie Shen, Chao He, Shuyuan Xiao, Jörg B Götte, Goutam K Samanta, Tatsuki Tahara, Boris Malomed, Vasily N Astratov, Carmelo Rosales-Guzmán, Parinda Vasa, Peter Bermel, Martijn Wubs, Rocio Borrego-Varillas, Caterina Vozzi, Yunquan Liu, Celia Rowland, Elisa Pappalardo, Lynn Paterson, P H Souto Ribeiro, Min Qiu, Jinghua Teng and Hongsheng Chen, "A perspective on 25 years of advances as reported in the Journal of Optics," Journal of Optics (IOP Publishing) 27, 060202 (2025). 

https://doi.org/10.1088/2040-8986/addf5c

光技術展示会「Optics and Photonics Exhibition (OPIE'24)」で展示しておりました、自然光デジタルホログラフィとデモ光学ユニットの試作機が記事として取り上げられておりました。我々の研究内容を取り上げて下さり厚く御礼申し上げます。

https://optronics-media.com/news/20240426/90544/

Advanced Devices & Instrumentation誌より、手のひらサイズ単一露光フルカラー自然光ホログラフィカメラシステムの内容がプレスリリースされておりました。我々の研究内容を取り上げて下さり厚く御礼申し上げます。

Advanced Devices & Instrumentation has published a press release on the development of a palm-sized single-shot full-color incoherent digital holography camera system. I would like to thank ADI for highly evaluating our research.

https://phys.org/news/2025-02-palm-sized-shot-full-incoherent.html

自然光フルカラー動画ホログラフィ法の原著論文が掲載されました。数年掛けて大学研究者の方々と自然光ホログラフィシステムを作り上げた結果を無事発表できました。関係者の方々に御礼申し上げます。

Our natural-light full-color motion-picture holography technique was published in SPIE/CLP Advanced Photonics Nexus. Fully-passive single-shot full-color holography was demonstrated for an outdoor 3D scene illuminated by sunlight. We thank many persons who encourage us, many foundations, SPIE, CLP, and Advanced Photonics Nexus, very much.

Tatsuki Tahara, Tomoyoshi Shimobaba, Yuichi Kozawa, Mohamad Ammar Alsherfawi Aljazaerly, Tomoya Nakamura, Natural-light full-color motion-picture holography, Adv. Photon. Nexus 4(3), 036006 (2025),

doi: 10.1117/1.APN.4.3.036006

https://www.spiedigitallibrary.org/journals/advanced-photonics-nexus/volume-4/issue-03/036006/Natural-light-full-color-motion-picture-holography/10.1117/1.APN.4.3.036006.full

A peer-reviewed review article on the topics of imaging and sensing with holography was published in Journal of Optics (IOP Publishing). Imaging and sensing techniques with holography are reviewed, focusing on quantitative phase imaging with daily-use light, spatially incoherent digital holography, holographic display, and microscopy with holographic light modulation. 

Keywords: Holography, Incoherent digital holography, Holographic display, Computer-generated hologram, 4D microscopy. 

T. Tahara, T. Shimobaba, and Y. Kozawa, "Review on imaging and sensing with holography," Journal of Optics (IOP Publishing) 27, 043005 (2025). 

https://doi.org/10.1088/2040-8986/adb0db

A research article of a portable incoherent digital holograhy system, which was submitted by the invitation from Prof. Joseph Rosen, was published in Photonics. An incoherent hologram was obtained without polarization filters or a half-mirror. The portable system was realized by employing compact LCoS-SLMs.

T. Tahara, "Portable filter-free lens-free incoherent digital holography system (invited)," Photonics 12, 167 (2025). 

https://doi.org/10.3390/photonics12020167

A research article of a portable single-shot full-color incoherent digital holograhy camera system, which was submitted from the invitation by Prof. Ting-Chung Poon, was published in Advanced Devices & Instrumentation as a peer-reviewed invited paper. Full-color 3D motion-picture imaging was experimentally demonstrated with a white LED. 

T. Tahara and T. Shimobaba, "Palm-sized single-shot full-color incoherent digital holographic camera system with white light (invited)," Advanced Devices & Instrumentation 6, 0076 (2025).

https://spj.science.org/doi/10.34133/adi.0076

A keynote presentation was conducted in Conference on emerging trends in optical technologies (ETOT-I). We thank the committee of ETOT-I for inviting us. 

Tatsuki Tahara, Tomoyoshi Shimobaba, Ryo Okamoto, and Tomoya Nakamura, "Daily-use light holography," Conference on emerging trends in optical technologies (ETOT-I), Jan. 2, 2025. (Keynote)

A research article of self-reference digital holography and its holography unit adaptable to an optical microscope with a light-emitting diode (LED) was published in Optics Express. 3D imaging of an amplitude object and quantitative phase imaging of phase objects in 3D space were experimentally demonstrated with the unit and an LED. 

T. Tahara, "Self-reference digital holography unit adaptable to optical microscope with light-emitting diode," Optics Express 32, 46090-46102 (2024). 

https://doi.org/10.1364/OE.542553

A roadmap article containing the chapter that describes phase-shifting incoherent digital holography was published in Appl. Phys. B. In the chapter, polarization-filter-free bright and polarization-imaging incoherent digital holography (http://dx.doi.org/10.1364/OL.491990, https://doi.org/10.1364/AO.505624) is described.

T. Tahara,  "Incoherent digital holography with phase-shifting interferometry" as a chapter of the article "Roadmap on Computational Methods in Optical Imaging and Holography," Appl. Phys. B 130, 166 (2024).

A research article of 4D (3D+polarization) multiplexed self-reference digital holography termed P⁴SDH was published in Applied Optics. A filter-free self-reference interferometer was designed and constructed and then P⁴SDH was experimentally demonstrated. 

T. Tahara, "Polarization-filterless polarization-sensitive polarization-multiplexed phase-shifting self-reference digital holography," Applied Optics 63, pp. G73-G79 (2024).  

https://doi.org/10.1364/AO.521815

A research article of filter-free lens-free 4D (3D+polarization) multiplexed imaging based on incoherent holography was published in Journal of Optics. An incoherent interferometer was designed and constructed and then the proposed technique was experimentally demonstrated. 

T. Tahara, "Filter-free lens-free polarimetric incoherent digital holography," Journal of Optics (IOP Publishing) 26, p. 075707 (9 pages) (2024). 

 https://doi.org/10.1088/2040-8986/ad5362

A research article of bright and polarization-imaging incoherent digital holography and it's single-shot implementation was published in Applied Optics. Origami fan and crane were captured as a clear speckle-free digital hologram. 

T. Tahara, "Incoherent digital holography with two polarization-sensitive phase-only spatial light modulators and reduced number of exposures," Applied Optics 63, pp. B24-B31 (2024). 

https://doi.org/10.1364/AO.505624

日本光学会より、第26回光設計奨励賞を受賞しました。御審査いただきました皆様に心より御礼申し上げます。

光設計奨励賞タイトル「単一露光フルカラー自然光ホログラフィカメラ」

http://www.opticsdesign.gr.jp/common/hikari-pdf/ODP-26-shourei-02.pdf

下記論文がOptics Letters誌 2023年7月 月間ダウンロード数4位にランクインしました。

http://dx.doi.org/10.1364/OL.491990

A research article of bright and polarization-imaging incoherent digital holography was published in Optics Letters. Origami fan and crane were captured as an speckle-free digital hologram. 

T. Tahara, "Polarization-filterless polarization-sensitive polarization-multiplexed phase-shifting incoherent digital holography (P⁴IDH)," Optics Letters 48, pp.3881-3884 (2023).

http://dx.doi.org/10.1364/OL.491990

A book that describes the way for acceleration of computational holography was published. In a chapter, incoherent digital holography is introduced. An algorithm developed with the editors is also explained.

Tahara, T. (2023). Digital Holography Techniques and Systems for Acceleration of Measurement. In: Shimobaba, T., Ito, T. (eds) Hardware Acceleration of Computational Holography. Springer, Singapore.

https://doi.org/10.1007/978-981-99-1938-3_18

An invited article for high-speed incoherent digital holography with a daily-use light source was published in Applied Physics B (Springer).

 T. Tahara and T. Shimobaba, "High-speed incoherent digital holography (invited)," Applied Physics B (Springer) 129, 96 (11 pages) (2023).

 https://doi.org/10.1007/s00340-023-08043-6

科学研究費助成事業 基盤研究(B) に採択されました。研究提案を認めて下さりました審査員の方々に心より御礼申し上げます。

「移動体に搭載する多次元ホログラフィックマシンビジョンの創出」

https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23H01886

3次元画像コンファレンス2022優秀論文賞の受賞が決定しました。審査いただきました先生方に心より御礼申し上げます。

http://www.3d-conf.org/award.html

 田原、小澤、石井、岡本、「20 fps を超える自然光フルカラーデジタル動画ホログラフィ―システム」3次元画像コンファレンス2022講演論文集、2-1 (4 pages)、2022年7月発表。

The roadmap article for incoherent digital holography (IDH) was published in Applied Physics B (Springer). I sincerely thank inventors and young active researchers of IDH for writing sophisticated and fantastic papers. 

https://link.springer.com/article/10.1007/s00340-022-07911-x

A spatially and temporally incoherent holography technique (MPH) related to multidimension-multiplexed holosensor was published in Optics Express.

 T. Tahara, "Multidimension-multiplexed full-phase-encoding holography," Optics Express 30, pp.21582-21598 (2022).

https://opg.optica.org/oe/viewmedia.cfm?uri=oe-30-12-21582

https://doi.org/10.1364/OE.456229

Our research was highlighted by the following review article in the Frontiers in Photonics. We sincerely thank Prof. Poon for the introduction of our research.

Bahman Anvari, Costantino De Angelis, Shujuan Huang, Natasha Litchinitser, Ting-Chung Poon, Giacomo Scalari, Bryce S. Richards, and Marco Peccianti, "Frontiers in Photonics Spot Light," Frontiers in Photonics 2, 853456 (2022).

https://www.frontiersin.org/articles/10.3389/fphot.2022.853456/full

An article was published to Optics Express.

"Single-path single-shot phase-shifting digital holographic microscopy without a laser light source"

https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-30-2-1182

A review article for incoherent digital holography was published to Frontiers in Photonics.

https://www.frontiersin.org/articles/10.3389/fphot.2021.829139/full

公益財団法人三菱財団様より研究助成いただいた御陰で科研費採択に繋がりました。心より御礼いたします。一層努力いたします。

https://www.mitsubishi-zaidan.jp/