2022 - Present
Japan Agency for Marine-Earth Science and Technology, 地球環境部門, Research Fellow

2019 - 2022
Japan Agency for Marine-Earth Science and Technology, 超先鋭研究開発部門, Young Research Fellow

2017 - 2019
The University of Tokyo, Institute of Industrial Science, Project Research Associate

2014 - 2017
Japan Society for the Promotion of Science, 特別研究員（DC1）

2014 - 2017, The University of Tokyo, Graduate School of Frontier Sciences, Department of Ocean Technology, Policy,and Environment

Tomoko Takahashi; Cecilia D’angelo; Jacob Kleboe; Joerg Wiedenmann; Gavin L. Foster; Sumeet Mahajan
Studying Microplastic Incorporation into Corals Using CARS
Environmental Science & Technology, 03 Feb. 2026

Tomoko Takahashi; Eiji Tasumi; Shotaro Tagawa; Yatsuse Majima; Junichi Miyazaki; Naoki Nishimura; Shinsuke Kawagucci; Takazo Shibuya; Ken Takai
Comparison of Phase Conditions of CO₂-Rich Fluids Measured at Different Hydrothermal Fields in the Okinawa Trough Using an In Situ Deep-Sea Raman Spectrometer
ACS Earth and Space Chemistry, 16 Feb. 2025

Tarojiro Matsumura; Tomoko Takahashi; Kenji Nagata; Yasunobu Ando; Akira Yada; Blair Thornton; Tatsu Kuwatani
High-Throughput Calibration-Free Laser-Induced Breakdown Spectroscopy
ACS Earth and Space Chemistry, 03 Jun. 2024
8, 6, 1259, 1271

Tomoko Takahashi; Wataru Takahagi; Eiji Tasumi; Akiko Makabe; Koudai Taguchi; Blair Thornton; Ken Takai
In Situ Measurement of Liquid and Gas CO₂ with High Purity at Deep-Sea Hydrothermal Vents in the Mariana Arc Using Raman Spectroscopy
ACS Earth and Space Chemistry, 01 Dec. 2023
7, 12, 2489, 2497

Tomoko Takahashi; Zonghua Liu; Thangavel Thevar; Nicholas Burns; Dhugal Lindsay; John Watson; Sumeet Mahajan; Sato Yukioka; Shuhei Tanaka; Yukiko Nagai; Balair Thornton
Multimodal image and spectral feature learning for efficient analysis of water-suspended particles
OPTICS EXPRESS, Feb. 2023
31, 5, 7492, 7504

Zonghua Liu; Sarah Giering; Tomoko Takahashi; Thangavel Thevar; Marika Takeuchi; Nick Burns; Blair Thornton; John Watson; Dhugal Linsday
Advanced subsea imaging technique of digital holography: In situ measurement of marine microscale plankton and particles
2023 IEEE International Symposium on Underwater Technology, UT 2023, 2023

Mallikarjun Yelameli; Blair Thornton; Tomoko Takahashi; Tharindu Weerakoon; Kazuo Ishii
Classification and statistical analysis of hydrothermal seafloor rocks measured underwater using laser-induced breakdown spectroscopy
Journal of Chemometrics, Feb. 2022
33, 2

Zonghua Liu; Tomoko Takahashi; Dhugal Lindsay; Thangavel Thevar; Mehul Sangekar; Hiromi Kayama Watanabe; Nicholas Burns; John Watson; Blair Thornton
Digital In-Line Holography for Large-Volume Analysis of Vertical Motion of Microscale Marine Plankton and Other Particles
IEEE Journal of Oceanic Engineering, 01 Oct. 2021
46, 4, 1248, 1260

Zonghua Liu; Thangavel Thevar; Tomoko Takahashi; Nicholas Burns; Takaki Yamada; Mehul Sangekar; Dhugal Lindsay; John Watson; Blair Thornton
Unsupervised feature learning and clustering of particles imaged in raw holograms using an autoencoder
Journal of the Optical Society of America A: Optics and Image Science, and Vision, 01 Oct. 2021
38, 10, 1570, 1580

Tomoko Takahashi; Krzysztof Pawel Herdzik; Konstantinos Nikolaos Bourdakos; James Arthur Read; Sumeet Mahajan
Selective Imaging of Microplastic and Organic Particles in Flow by Multimodal Coherent Anti-Stokes Raman Scattering and Two-Photon Excited Autofluorescence Analysis
Analytical Chemistry, 30 Mar. 2021
93, 12, 5234, 5240

Tomoko Takahashi; Zonghua Liu; Thangavel Thevar; Nicholas Burns; Sumeet Mahajan; Dhugal Lindsay; John Watson; Blair Thornton
Identification of microplastics in a large water volume by integrated holography and Raman spectroscopy
Applied Optics, 10 Jun. 2020
59, 17, 5073, 5078

Tomoko Takahashi; Soichi Yoshino; Yutaro Takaya; Tatsuo Nozaki; Koichi Ohki; Toshihiko Ohki; Tetsuo Sakka; Blair Thornton
Quantitative in situ mapping of elements in deep-sea hydrothermal vents using laser-induced breakdown spectroscopy and multivariate analysis
Deep-Sea Research Part I: Oceanographic Research Papers, Apr. 2020
158

Yelameli, Mallikarjun; Thornton, Blair; Takahashi, Tomoko; Weerakoon, Tharindu; Ishii, Kazuo
Classification and statistical analysis of hydrothermal seafloor rocks measured underwater using laser-induced breakdown spectroscopy　　　　　　　　　　　　　　　
Journal of Chemometrics, 2019
33, 2

Thornton, Blair; Nakajima, Yasuharu; Yamamoto, Joji; Takahashi, Tomoko; Yamabe, Yuta; Dodbiba, Gjergj; Fujita, Toyohisa
Development of elemental technologies for seafloor mineral processing of seafloor massive sulfides　　　　　　　　　　　　　　　
2019

Tomoko Takahashi; Blair Thornton; Takumi Sato; Toshihiko Ohki; Koichi Ohki; Tetsuo Sakka
Partial least squares regression calculation for quantitative analysis of metals submerged in water measured using laser-induced breakdown spectroscopy
Applied Optics, 10 Jul. 2018
57, 20, 5872, 5883

Soichi Yoshino; Blair Thornton; Tomoko Takahashi; Yutaro Takaya; Tatsuo Nozaki
Signal preprocessing of deep-sea laser-induced plasma spectra for identification of pelletized hydrothermal deposits using Artificial Neural Networks
Spectrochimica Acta - Part B Atomic Spectroscopy, Jul. 2018
145, 1, 7

Maruyama, Tadashi; Watsuji, Tomo-o; Takahashi, Tomoko; Watanabe; Hiromi Kayama; Nagai, Yukiko; Fujiwara, Yoshihiro; Toyofuku, Takashi; Nemoto, Suguru; Koyano, Yuka; Thornton, Blair
In situ vital staining for chasing the galatheid crab Shinkaia crosnieri on deep-sea floor　　　　　　　　　　　　　　　
JAMSTEC Report of Research and Development, 2018
27, 87, 97

Tomoko Takahashi; Blair Thornton
Quantitative methods for compensation of matrix effects and self-absorption in LIBS signals of solids
Spectrochimica Acta - Part B Atomic Spectroscopy, 01 Dec. 2017
138, 31, 42

Tomoko Takahashi; Blair Thornton; Koichi Ohki; Tetsuo Sakka
Calibration-free analysis of immersed brass alloys using long-ns-duration pulse laser-induced breakdown spectroscopy with and without correction for nonstoichiometric ablation
Spectrochimica Acta - Part B Atomic Spectroscopy, 11 Jul. 2015
111, 8, 14

Blair Thornton; Tomoko Takahashi; Takumi Sato; Tetsuo Sakka; Ayaka Tamura; Ayumu Matsumoto; Tatsuo Nozaki; Toshihiko Ohki; Koichi Ohki
Development of a deep-sea laser-induced breakdown spectrometer for in situ multi-element chemical analysis
Deep-Sea Research Part I: Oceanographic Research Papers, 01 Jan. 2015
95, 20, 36

Blair Thornton; Tetsuo Sakka; Tatsuya Masamura; Ayaka Tamura; Tomoko Takahashi; Ayumu Matsumoto
Long-duration nano-second single pulse lasers for observation of spectra from bulk liquids at high hydrostatic pressures
Spectrochimica Acta - Part B Atomic Spectroscopy, 01 Jul. 2014
97, 7, 12

Blair Thornton; Tetsuo Sakka; Tomoko Takahashi; Ayaka Tamura; Tatsuya Masamura; Ayumu Matsumoto
Spectroscopic measurements of solids immersed in water at high pressure using a long-duration nanosecond laser pulse
Applied Physics Express, Aug. 2013
6, 8, 082401
[Reviewed]

Tomoko Takahashi; Blair Thornton; Tamaki Ura
Investigation of Influence of Hydrostatic Pressure on Double-Pulse Laser-Induced Breakdown Spectroscopy for Detection of Cu and Zn in Submerged Solids
APPLIED PHYSICS EXPRESS, Apr. 2013
6, 4, 042403-1, 042403-3
[Reviewed]

Blair Thornton; Tomoko Takahashi; Tamaki Ura; Tetsuo Sakka
Cavity Formation and Material Ablation for Single-Pulse Laser-Ablated Solids Immersed in Water at High Pressure
APPLIED PHYSICS EXPRESS, Oct. 2012
5, 10, 102402
[Reviewed]