Papers - OKAMOTO Takashi

Structural coloration and epicuticular wax properties of the distinctive glaucous leaves of Encephalartos horridus Reviewed International journal

Takashi Nobusawa, Takashi Okamoto, Michiharu Nakano, Makoto Kusaba

Journal of Experimental Botany ( Oxford University Press )   2025.03

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Language：English   Publishing type：Research paper (scientific journal)

DOI： 10.1093/jxb/eraf115

DOI： 10.1093/jxb/eraf115

Random laser emission from dye-doped gain media with optically trapped scattering particles Reviewed International journal

T. Okamoto, N. Yokoi, T. Kaku

Optical Materials Express ( Optica )   14 ( 4 )   880 - 888   2024.03

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)

DOI： 10.1364/OME.510961

Kyutacar

Scopus

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85190288612&origin=inward

Random lasers: Mechanisms and control -Toward the realization of a new laser source Invited

Takashi Okamoto

Optical Alliance ( JAPAN INDUSTRIAL PUBLISHING CO., LTD. )   35 ( 7 )   13 - 17   OA2404-02   2024.07

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Authorship：Lead author,　Corresponding author   Language：Japanese   Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)

Structural design of random lasers with specified emission bands Reviewed International journal

T. Okamoto, R. Ohshige, H. Nakajima

Optical Review ( Springer Nature )   31 ( 1 )   156 - 163   2024.01

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)

DOI： 10.1007/s10043-023-00858-0

Kyutacar

Scopus

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85183447178&origin=inward

Emission properties of random lasers with scatterer distribution formed by optical trapping Reviewed International journal

T. Kaku, N. Yokoi, T. Okamoto

Proceedings of SPIE (10th Optical Manipulation and Structured Materials Conference (OMC 2023)) ( SPIE )   12606   126060M   2023.09

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Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)

Japan   Yokohama   2023.04.17  -  2023.04.21

DOI： 10.1117/12.3008339

DOI： 10.1117/12.3008339

Scopus

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Structural design of random lasers with specific emission bands Invited Reviewed

T. Okamoto, R. Ohshige, H. Nakajima

Technical Digest of the Fourteenth Japan-Finland Joint Symposium on Optics in Engineering (OIE '23)   15 - 16   2023.08

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Japan   Hamamatsu   2023.08.28  -  2023.09.01

Mechanism of random laser and its control Invited

Takashi Okamoto

MICROOPTICS NEWS ( The Japan Society of Applied Physics )   41 ( 2 )   37 - 42   2023.06

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Authorship：Lead author,　Last author,　Corresponding author   Language：Japanese   Publishing type：Research paper (conference, symposium, etc.)

日本   横浜   2023.06.01  -  2023.06.01

Kyutacar

CiNii Research

Active control of random lasing using the optical trapping technique Reviewed International journal

T. Kaku, N. Yokoi, T. Okamoto

Proceedings of CLEO Pacific Rim 2022 ( Optica (Optical Society of America) )   P-CTh1-14   2022.08

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Japan   Sapporo   2022.07.31  -  2022.08.05

DOI： 10.1364/CLEOPR.2022.P_CTh1_14

DOI： 10.1364/CLEOPR.2022.P_CTh1_14

Scopus

Other Link： https://opg.optica.org/abstract.cfm?uri=CLEOPR-2022-P_CTh1_14

Design of scatterer configuration for spectral optimization of random lasers Reviewed International journal

T. Okamoto, K. Kajisa, R. Ohshige

Proceedings of CLEO Pacific Rim 2022 ( Optica (Optical Society of America) )   CThP1G-06   2022.08

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)

Japan   Sapporo   2022.07.31  -  2022.08.05

DOI： 10.1364/CLEOPR.2022.CThP1G_06

DOI： 10.1364/CLEOPR.2022.CThP1G_06

Scopus

Other Link： https://opg.optica.org/abstract.cfm?uri=CLEOPR-2022-CThP1G_06

Inverse design of two-dimensional disordered structures for spectral optimization of random lasers Reviewed International journal

T. Okamoto, K. Imamura, K. Kajisa

Optics Communications ( Elsevier )   508   127775   2022.04

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)

DOI： 10.1016/j.optcom.2021.127775

Kyutacar

Scopus

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Active Control of Random Lasing Using the Optical Trapping Technique Reviewed International journal

Kaku T., Yokoi N., Okamoto T.

2022 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2022 - Proceedings   2022.01

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DOI： 10.1109/CLEO-PR62338.2022.10432312

Kyutacar

Scopus

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Design of Scatterer Configuration for Spectral Optimization of Random Lasers Reviewed International journal

Okamoto T., Kajisa K., Ohshige R.

2022 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2022 - Proceedings   2022.01

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DOI： 10.1109/CLEO-PR62338.2022.10432139

Kyutacar

Scopus

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Emission characteristics of random lasers and their control Invited Reviewed International journal

Okamoto T.

Proceedings of SPIE (10th Laser Display and Lighting Conference (LDC 2021))   11851   72 - 74   2021.06

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Japan   Yokohama   2021.04.19  -  2021.04.22

Scopus

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Emission characteristics of random lasers and their control Invited Reviewed International journal

Okamoto Takashi

Proceedings of SPIE (LDC 2021)   11851   72 - 74   2021.01

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)

Kyutacar

CiNii Research

Designing random structures for random laser media Reviewed

T. Okamoto, K. Imamura

Technical Digest of the Thirteenth Japan-Finland Joint Symposium on Optics in Engineering (OIE '19)   87 - 88   2019.08

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)

Finland, Estonia   Otaniemi, Tallinn   2019.08.26  -  2019.08.30

Random laser action in dye-doped polymer media with inhomogeneously distributed particles and gain Reviewed International journal

T. Okamoto, M. Mori

Applied Sciences   9 ( 17 )   3499   2019.08

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)

DOI： 10.3390/app9173499

Kyutacar

Scopus

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Development of laser speckle blood flowmeter for evaluating the physiological function of skin Reviewed International journal

Y. Nagashima, Y. Ohsugi, M. Hiraishi, Y. Niki, A. Fuji, M. Majima, T. Okamoto

Biomedical Physics & Engineering Express   5 ( 5 )   055012   2019.08

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Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)

DOI： 10.1088/2057-1976/ab3a83

Kyutacar

Scopus

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Optimal digitization of one-dimensional dynamic speckle signals for object identification Reviewed

T. Okamoto, J. Mizobe

Asian Journal of Physics   27 ( 9-12 )   475 - 482   2018.12

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Control of particles for production of random laser medium: estimation on characteristics based on numerical simulations

N. Yokoi, T. Okamoto, Y. Aizu

Proceedings of 61st Meeting on Lightwave Sensing Technology   129 - 136   LST61-20   2018.06

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Language：Japanese   Publishing type：Research paper (conference, symposium, etc.)

2018.06.12  -  2018.06.13

波動光学を用いた肌の光反射特性解析 Invited

岡本卓

光アライアンス ( 日本工業出版 )   29 ( 4 )   1 - 5   2018.04

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Authorship：Corresponding author   Language：Japanese   Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)