2024

Mid-infrared photothermal wide-field nanoscopy

K. Toda, M. Tamamitsu, M. Fukushima, V. R. Badarla, H. Shimada, S. Ota, K. Konishi and T. Ideguchi

IEEE Photonics Conference (IPC) 2024, Rome (2024.11.12)

Mid-Infrared Time-Stretch Optical Coherence Tomography with MHz Axial Scan Rate

S. Yagi, T. Nakamura, K. Hashimoto, S. Kawano, and T. Ideguchi

 

IEEE Photonics Conference (IPC) 2024, Rome (2024.11.12)

Mid-infrared photothermal quantitative phase microscopy for live-cell imaging

Takuro Ideguchi

Computational Imaging & Microscopy Workshop 2024, Yonsei University, Seoul (2024.8.9) [invited]

High-speed broadband mid-infrared and coherent Raman spectroscopy with photonic time-stretch technolog

Takuro Ideguchi

CLEO-PR, Incheon (2024.8.6) [invited]

High-resolution Time-Stretch Infrared Spectroscopy with Frequency Down-Conversion of Near-Infrared Lasers

Makoto Shoshin, Takahiro Kageyama, Kazuki Hashimoto, Takuma Nakamura, Takuro Ideguchi

CLEO-PR, Incheon (2024.8.6)

Multi-timescale complex optical electric-filed imaging of laser ablation on dielectric materials

Shotaro Kawano, Keiichiro Toda, Haruyuki Sakurai, Kuniaki Konishi and Takuro Ideguchi

8th Venice International School on Lasers in Materials Science (SLIMS), Venice (2024.7.14-20) [poster]

Revisiting the 10^5 gap issue in cellular thermal biology by label-free mid-infrared photothermal microscopy

Keiichiro Toda, Masaharu Takarada, Genki Ishigane, Hiroyuki Shimada, Venkata Ramaiah Badarla, Kohki Okabe, Takuro Ideguchi

IUPAB, Kyoto (2024.6.28) [poster]

Mid-infrared photothermal quantitative phase microscopy for label-free live-cell imaging

Takuro Ideguchi

Optics and Photonics International Conference (OPIC), BISC2024, Yokohama (2024.4.26) [invited]

Mid-infrared photothermal quantitative phase imaging with nanosecond lasers

Takuro Ideguchi

Optica High-Brightness Sources And Light-Driven Interactions Congress, Mid-Infrared Coherent Sources (MICS), Vienna (2024.3.14) [invited]

Label-free mid-infrared photothermal quantitative phase imaging (MIP-QPI) of living cells

Takuro Ideguchi

The 3rd Wellman-UTokyo graduate student symposium, Tokyo (2024.2.20) [invited]

Wide dynamic range imaging with bidirectional quantitative scattering microscopy

Kohki Horie, Keiichiro Toda, Takuma Nakamura, Takuro Ideguchi

Photonics West, 12852-54, San Francisco (2024. 1. 29) [poster]

Intracellular heat conduction and heat-induced temperature change measurements with mid-infrared photothermal optical diffraction tomography

Keiichiro Toda, Masaharu Takarada, Genki Ishigane, Hiroyuki Shimada, Venkata Ramaiah Badarla, Kohki Okabe, Takuro Ideguchi

Photonics West, 12855-44, San Francisco (2024. 1. 29)

 

2023

Mid-Infrared Photothermal Quantitative Phase Imaging (MIP-QPI)

Takuro Ideguchi

Photothermal Microscopy and Spectroscopy Webinar, Online (2023.10.18) [invited]

A Phase Retrieval Algorithm for Zernike Phase-Contrast Microscopy

Rikimaru Kurata, Keiichiro Toda, Genki Ishigane, Makoto Naruse, Takuro Ideguchi, Ryoichi Horisaki

Frontiers in Optics + Laser Science, Tacoma (2023.10.11)

High-speed vibraitonal spectroscopy with time-stretch technology

Takuro Ideguchi

The 28th Colloquium on High-Resolution Molecular Spectroscopy (HRMS), Dijon (2023.8.28) [invited]

Video-rate live-cell imaging with mid-infrared photothermal quantitative phase imaging (MIP-QPI)

Takuro Ideguchi

Biomedical Raman Imaging, Atlanta (2023.6.27) [invited]

Time-Stretch Coherent Raman Scattering Spectroscopy Running at 50,000,000 Spectra/s

Takuma Nakamura, Kazuki Hashimoto, Takuro Ideguchi

CLEO2023, SM4O.1, San Jose (2022.5.16) [highlighted]

Mid-infrared photothermal quantitative phase imaging with high signal-to-noise ratio

Takuro Ideguchi

SPIE. Photonics West, 12392-1, San Francisco (2023.1.28) [invited]

 

2022

Time-Resolved Complex Optical-Field Imaging of Laser Ablation Dynamics

Shotaro Kawano, Keiichiro Toda, Haruyuki Sakurai, Kuniaki Konishi, Takuro Ideguchi

IEEE Photonics Conference (IPC), ThG1.3, Vancouver (2022.11.17)

High-speed Live-cell Vibrational Imaging with a Mid-infrared Photothermal Quantitative Phase Microscope

Genki Ishigane, Keiichiro Toda, Miu Tamamitsu, Hiroyuki Shimada, Takuro Ideguchi

CLEO Pacific Rim (CLEO-PR), Sapporo (2022.8.2) [invited]

High-speed mid-infrared spectroscopy and microscopy

Takuro Ideguchi

Atoms, Mo­lecules and Clusters in Mo­tion conference (AMOC2022), Helsinki (2022.6.7) [invited]

Mid-Infrared Photothermal Quantitative Phase Imaging (MIP-QPI) 

Takuro Ideguchi

CLEO2022, SM4L.1, San Jose (2022.5.16) [invited]

Mid-Infrared Time-Stretch Optical Coherence Tomography 

Satoko Yagi, Kazuki Hashimoto, Takuma Nakamura, Shotaro Kawano, Venkata Ramaiah Badarla, Hiroyuki Shimada, and Takuro Ideguchi

CLEO2022, JW3A.63, San Jose (2022.5.18) [poster]

Mid-Infrared Upconversion Time-Stretch Spectroscopy 

Kazuki Hashimoto, Takuma Nakamura, Takahiro Kageyama, Venkata Ramaiah Badarla, Hiroyuki Shimada, and Takuro Ideguchi

CLEO2022, SF3F.6, San Jose (2022.5.20) 

Advanced mid-infrared spectroscopy and microscopy

T. Ideguchi

11th Advanced Lasers and Photon Sources (ALPS2022) (18 April 2022) [invited]

 

2021

Advanced vibrational spectroscopy and microscopy for biochemical analysis

T. Ideguchi

13th European Biophysics Conference, EBSA2021 (25 July 2021) [invited]

Time-Resolved Digital Holography System with High Phase Precision for Detail Observation in Laser Ablation Dynamics

S. Kawano, M. Tamamitsu, H. Sakurai, K. Konishi, T. Ideguchi, J. Yumoto, and M. Kuwata-Gonokami

CLEO-Europe CM-8.3 (25 June 2021)

Mid-infrared photothermal quantitative phase imaging

T. Ideguchi  

Proc. SPIE 11656, Advanced Chemical Microscopy for Life Science and Translational Medicine 2021, 116561K (5 March 2021) [invited]

High-speed vibrational spectroscopy using nonlinear optical sources

T. Ideguchi  

Proc. SPIE 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX, 1167003 (5 March 2021) [invited]

 

2020

Next-generation Mid-infrared Spectroscopy and Microscopy with Various Laser Sources

T. Ideguchi 

OSA High-brightness Sources and Light-driven Interactions Congress, MF1C.1, online (2020.11.20) [invited]

Advanced vibrational spectroscopy and microscopy

T. Ideguchi 

CLEO Pacific Rim, online (2020.8.5) [invited]

Label-free biochemical refractive-index tomography of single cells with mid-infrared photothermal effect

M. Tamamitsu, K. Toda, T. Ideguchi

Imaging and Applied Optics Congress (OSA), HF1G.4, online (2020.6.26)

Dynamic-range-expanded quantitative phase imaging

K. Toda, M. Tamamitsu, T. Ideguchi

Imaging and Applied Optics Congress (OSA), JTh4D.5, online (2020.6.25)

Mid-infrared phase-controlled Fourier-transform spectroscopy

K. Hashimoto, V. Badarla, T. Ideguchi

CLEO, STh3F.2, online (2020.5.14)

Mid-infrared time-stretch spectroscopy

Akira Kawai, Tatsuo Dougakiuchi, Venkata Ramaiah Badarla, Kazuki Hashimoto, Takayuki Imamura,

Tadataka Edamura, and Takuro Ideguchi

CLEO, STh3F.1, online (2020.5.14)

Ultra-broadband complementary vibrational spectroscopy with cascaded intra-pulse difference frequency generation

K. Hashimoto, V. Badarla, T. Ideguchi

CLEO, SW4N.2, online (2020.5.13)

Bioimaging by molecular-vibration-sensitive quantitative phase microscopy based on wide-field mid-infrared photothermal excitation

Miu Tamamitsu, Keiichiro Toda, Yu Nagashima, Ryoichi Horisaki, Takuro Ideguchi

SPIE Photonics West, San Francisco (2020.2.3)

 

2019

Rapid broadband CARS micro-spectroscopy using ultrafast lasers

Faris Sinjab, Kazuki Hashimoto, Yu Nagashima, and Takuro Ideguchi

The 225th Infrared and Raman Discussion Group Meeting (IRDG), London（2019.12.19）

Vibrational imaging of single cells by wide-field phase-sensitive imaging of mid-infrared photothermal effect

M. Tamamitsu, K. Toda, H. Shimada, T. Honda, M. Takarada, K. Okabe, Y. Nagashima, R. Horisaki, and Takuro Ideguchi

Biomedical Raman Imaging 2019, Osaka（2019.11.26）

Label-free molecular vibrational spectro-microscopy

Takuro Ideguchi

第57回日本生物物理学会年会、2SEP-5（2019.9.25）[invited]

Fourier-transform complementary vibrational spectroscopy

Kazuki Hashimoto、Venkata Ramaiah Badarla、Akira Kawai、Takuro Ideguchi1,3

第80回応用物理学会秋季学術講演会JSAP-OSA Joint Symposia 、20p-E214-12（2019.9.20）

Quantitative phase microscopy with molecular vibrational sensitivity

M. Tamamitsu, K. Toda, R. Horisaki and T. Ideguchi

CLEO/Europe-EQEC 2019, PD-1.8 (post deadline), Munich (2019.6.26)

Multiphoton Microscope with a Rapid Broadband CARS Modality

F. Sinjab, K. Hashimoto, V.R. Badarla, Y. Nagashima and T. Ideguchi

CLEO/Europe-EQEC 2019, CH-9.4, Munich (2019.6.26)

Phase-contrast microscope with molecular contrast

K. Toda, M. Tamamitsu, R. Horisaki and T. Ideguchi

CLEO/Europe-EQEC 2019, JSII-2.2, Munich (2019.6.23)

Nyquist-limited Fourier-transform spectroscopy with phase-controlled delay line

Takuro Ideguchi

OSA, Fourier Transform Spectroscopy, FW5B.1, San Jose (2019.6.26) [invited]

Nyquist-limited Efficient Fourier-transform Spectrosocpy

Kazuki Hashimoto, Takuro Ideguchi

CLEO, San Jose (2019.5.6)

Label-free vibrational spectro-microscopy

Takuro Ideguchi

LSBM Symposium 2019, Hakone (2019.4.3) [invited]

High-throughput broadband Raman flow cytometry

HIRAMATSU, Kotaro; IDEGUCHI, Takuro; YONAMINE, Yusuke; LEE, Sangwook; YIZHI, Luo; HASHIMOTO, Kazuki; ITO, Takuro; HASE, Misa; JEE WOONG, Park; KASAI, Yusuke; SAKUMA, Shinya; HAYAKAWA, Takeshi; ARAI, Fumihito; HOSHINO, Yu; GODA, Keisuke

日本化学会第99春季年会、1F6-33, (2019.3.16)

High-throughput broadband CARS flow cytometry at >2,000 cells/s

Kotaro Hiramatsu, Takuro Ideguchi, Yusuke Yonamine, SangWook Lee, Yizhi Luo, Kazuki Hashimoto, Takuro Ito, Misa Hase, Jee-Woong Park, Yusuke Kasai, Shinya Sakuma, Takeshi Hayakawa, Fumihito Arai, Yu Hoshino, Keisuke Goda

SPIE Photonics West, BIOS, High-Speed Biomedical Imaging and Spectroscopy IV, 10889-6（2019.2.2）

Molecular contrast added to phase-contrast microscope

Keiichiro Toda, Miu Tamamitsu, Ryoichi Horisaki, Takuro Ideguchi

CIAiS International Symposium 2019, Tokyo (2019.2), poster

Hyperspectral single-pixel imaging for remote gas sensing

Akira Kawai, Yuki Yoshida, Kazuki Hashimoto, Takuro Ideguchi

CIAiS International Symposium 2019, Tokyo (2019.2), poster

 

 

2018

Molecular spectroscopy with advanced lasers

Takuro Ideguchi

Evonik seminar (2018. 12) [invited]

Dual-comb spectroscopy and advanced techniques toward chemical and biological applications

Takuro Ideguchi

Ghent University seminar (2018. 12) [invited] 

High-speed ultra-broadband Fourier-transform CARS spanning over 3,000 cm-1

Junko Omachi, Kazuki Hashimoto, and Takuro Ideguchi

Conference on Lasers and Electro-Optics OSA, STu4P.6, San Jose (2018.5) 

Ultrafast Broadband Fourier-transform CARS Spectroscopy

Takuro Ideguchi

BIT's 6th Annual Conference of AnalytiX-2018, Miami (2018. 3) [invited]

Dual-comb spectroscopy and advanced techniques toward chemical and biological applications

Takuro Ideguchi

ICFO seminar (2018. 3) [invited]

Heterodyne-detected rapid-scan Fourier-transform CARS spectroscopy

Kotaro Hiramatsu, Yizhi Luo, Takuro Ideguchi, Keisuke Goda

SPIE Photonics West BiOS 2018, San Francisco, USA (2018)

High-speed broadband Fourier-transform CARS microscopy

Kotaro Hiramatsu, Ryo Kinegawa, Kazuki Hashimoto, Venkata Ramaiah Badarla, Takuro Ideguchi, Keisuke Goda

SPIE Photonics West BiOS 2018, San Francisco, USA (2018)

 Spaciotemporal monitoring of carotenoid production in microalgal cells by resonance Raman imaging probing with 13CO2 incubation

Yonamine Yusuke, Hiramatsu Kotaro, Ito Takuro, Ideguchi Takuro, Miura Yoshiko, Goda Keisuke, Hoshino Yu

The 19th RIES-HOKUDAI International Symposium, 北海道 （2018）ポスター

  

2017

Ultrafast Fourier Transform Spectroscopy with Frequency Combs

Takuro Ideguchi

BIT's 8th Annual Global Congress of Catalysis-2017 (2017. 10) [invited] 

Rapid-scan Fourier-Transform Coherent Anti-Stokes Raman Scattering Spectroscopy

Yizhi Luo, Kazuki Hashimoto, Megumi Takahashi, Miu Tamamitsu, Yusuke Sakaki, Tasuku Nakamura, G. Krishna Podagatlapalli, Takuro Ideguchi, Keisuke Goda

日本化学会, 神奈川 (2017)

 Ultrafast broadband Fourier-transform CARS spectroscopy operating at 50,000 spectra/second

Miu Tamamitsu, Yusuke Sakaki, Tasuku Nakamura, G. Krishna Podagatlapalli, Takuro Ideguchi, Keisuke Goda

SPIE Photonics West 2017, San Francisco, USA (2017)

Ultrafast Fourier-transform coherent anti-Stokes Raman spectroscopy designed forhigh-speed spectroscopy and imagin

G. K. Podagatlapalli, K. Hashimoto, M.Tamamitsu, Y. Sakaki, T. Nakamura, T. Ideguchi, K. Goda

Ultrafast Science 2017, Telangana, India (2017）

  

2016

 Molecular spectroscopy with laser frequency combs

Takuro Ideguchi

Menlo Systems, Seminar (2016. 9)  [invited]

Molecular spectroscopy with laser frequency combs

Takuro Ideguchi

Siemens AG, Seminar (2016. 8)  [invited]

Molecular spectroscopy with laser frequency combs

Takuro Ideguchi

Konstanz University, Seminar (2016. 8)  [invited]

Molecular spectroscopy with laser frequency combs

Takuro Ideguchi

Leibniz Institute of Photonic Technology (IPHT Jena) Seminar (2016. 8)  [invited]

Molecular Spectroscopy with Optical Frequency Combs

Takuro Ideguchi

OSA (Optical Society of America), Nonlinear Optics Technical Group Webinar, Online Learning (2016) [invited]

Bidirectional Kerr-lens mode-locked dual-comb ring laser

Takuro Ideguchi, Tasuku Nakamura, Yohei KObayashi, Keisuke Goda

Conference on Lasers and Electro-Optics 2016, San Jose, USA (2016)

High-throughput broadband Fourier-transform CARS

Takuro Ideguchi, Kazuki Hashimoto, Megumi Takahashi, Keisuke Goda

Conference on Lasers and Electro-Optics 2016, San Jose, USA (2016)