Publications | YASUI Laboratory - Terahertz Instrumentation and Biomedical Optics -

Conference paper

2014

Comin Soon! (invited talk)T. Yasui, "TBD", OSA Optical Sensors, Barcelona, Spain, July. 27-31 (2014).
Comin Soon! T. Yasui, "Gapless THz comb spectroscopy", International Workshop on THz Technology (IWOTT2014), Zao, Japan, Mar. 7-10 (2014).
New! T. Yasui, R. Tanaka, E. Hase, S. Fukushima, and T. Araki," In vivo time-lapse imaging of skin burn wound healing using second-harmonic generation microscopy", BiOS 2014(Photonic West 2014), San Francisco, USA, Feb. 2, 8948-81 (2014).

2013

(invited talk) T. Yasui and E. Abraham, "Fast THz computed tomography", 21st International Conference on Applied Electromagnetics and Communications (ICECom2013), Dubrovnik, Croatia, Oct. 14-16 (2013).
K. Hayashi, S. Yokoyama, H. Inaba, K. Minoshima, and T. Yasui, "Precise frequency measurement of continuous-wave terahertz radiation based on THz comb", 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2013), Mainz, Germany, Sep. 1-6 (2013).
Y.-D. Hsieh, Y. Iyonaga, T. Yasui, K. Kitagishi, and T. Araki, "All-fiber-based, asynchronous-optical-sampling THz time-domain spectroscopy using dual mode-locked fiber lasers and fiber-coupled photoconductive antenna", 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2013), Mainz, Germany, Sep. 1-6 (2013).
E. Abraham, M. Jewariya, T. Iwata, T. Araki, and T. Yasui, "Fast 3D computed tomography using intense terahertz pulses",38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2013), Mainz, Germany, Sep. 1-6 (2013).
Y. Tanaka, E. Hase, S. Fukushima, T. Yasui, and T. Araki, "Fast polarization-resolved SHG microscopy for in vivo imaging of collagen orientation," Pacific Rim Conference on Lasers and Electro-Optics 2013 (CLEO/Pacific Rim 2013), Kyoto, Japan, June 30-July 4 (2013).
K. Hayashi, H. Inaba, K. Minoshima, and T. Yasui, "Precise frequency measurement of continuous-wave terahertz radiation based on THz comb," Pacific Rim Conference on Lasers and Electro-Optics 2013 (CLEO/Pacific Rim 2013), Kyoto, Japan, June 30-July 4, WPC-12 (2013).
T. Yasui, Y.-D. Hsieh, Y. Sakaguchi, F. Hindle, S. Yokoyama, H. Inaba, K. Minoshima, and T Araki, "Gapless THz comb spectroscopy,"Pacific Rim Conference on Lasers and Electro-Optics 2013 (CLEO/Pacific Rim 2013) , Kyoto, Japan, June 30-July 4, TuF2-6 (2013).
T. Yasui, Y.-D. Hsieh, Y. Iyonaga, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, and T. Araki, "Gapless THz comb spectroscopy,"Fourier Transform Spectroscopy 2013 (Imaging and Applied Optics Congress), Arlington, USA, June 23-27, FT1E.3 (2013).
T. Yasui, Y. Iyonaga, Y.-D. Hsieh, H. Inaba, K. Minoshima, S. Yokoyama, T. Araki, and M. Hashimoto, "Frequency-swept asynchronous-optical-sampling terahertz time-domain spectroscopy," CLEO: Science & Innovations 2013, San Jose, USA, June 9-14, Technical Digest (CD), CM3J (2013/6/10).
Y.-D. Hsieh, Y. Iyonaga, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, T. Araki, F. Hindle, and T. Yasui, "Gapless terahertz frequency comb spectroscopy of molecular gas," The 2nd Advanced Lasers and Photon Sources (ALPS'13), ALPS4-5, Yokohama, Japan, Apr. 23-25 (2013).
T. Yasui, M. Fujio, S. Yokoyama, and T. Araki, "Distance measurement of optically rough object based on phase slope of tunable CW-THz wave", International Workshop on Terahertz Science and Technology (OTST2013), Tu4-03, Kyoto, Japan, March 13-17 (2013).
[Best Student Poster Award]Y. Tanaka, E. Hase, S. Fukushima, T. Yasui, T. Araki, "In vivo imaging of collagen fiber orientation with rapid polarization-resolved SHG microscopy", BiOS 2013 (Photonic West 2013), San Francisco, USA, Feb. 2-7, 8588-107, Proc. SPIE 8588, 85882X (2013).
T. Yasui, R. Tanaka, E. Hase, S. Fukushimab, T. Araki, "In vivo imaging of dermal collagen in skin burn by collagen-sensitive second-harmonic-generation microscopy", BiOS 2013 (Photonic West 2013), San Francisco, USA, Feb. 2-7, 8588-106, Proc. SPIE 85882W (2013).

2012

Yuki Iyonaga, Yi-Da Hsieh, Yoshiyuki Sakaguchi, Hajime Inaba, Kaoru Minoshima, Francis Hindle, Tsutomu Araki, and Takeshi Yasui, "Frequency-swept, asynchronous-optical-sampling terahertz time domain spectroscopy," International Symposium on Frontiers in THz Technology (FTT2012), Pos2.17, Nara, Japan, Nov. 27-29 (2012).
M. Jewariya, Y. Ohgi, E. Abraham, T. Araki, and T. Yasui, "Three-dimensional terahertz computed tomography based on real-time line projection of terahertz beam," International Symposium on Frontiers in THz Technology (FTT2012), Pos2.55, Nara, Japan, Nov. 27-29 (2012).
(invited talk) T. Yasui, "Gapless terahertz comb spectroscopy based on frequency-swept dual comb technique," International Symposium on Frontiers in THz Technology (FTT2012), Nara, Japan, Nov. 27-29 (2012).
(invited talk) T. Yasui, "Terahertz comb spectroscopy,"Laser and Tera-Hertz Science and Technology (LTST; OSA Topical Meeting), Wuhan, China, Nov. 1-2 (2012).
T. Yasui, Y. Iyonaga, Y.-D. Hsieh, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, and T. Araki, "Frequency-swept asynchronous-optical-sampling THz time-domain spectroscopy",37th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2012),Wollongong, Australia, Sep. 23-28, (2012).
T. Yasui, Y.-D. Hsieh, Y. Iyonaga, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, and T. Araki, "Generation of gapless terahertz frequency comb",37th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2012), Wollongong, Australia, Sep. 23-28, (2012).
Y.-D. Hsieh, Y. Iyonaga, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, T. Iwata, T. Yasui, T. Araki, "Interpolation of frequency gaps between THz comb modes by precise tuning of laser mode-locked frequency", 3rd EOS Topical Meeting on Terahertz Science & Technology (TST 2012), Prague, Czech Republic, June 17-20, TST2012_5279 (2012).
T. Iwata, S. Yoshioka, S. Nakamura, Y. Mizutani, and T. Yasui, "Prediction of a thickness of a paint film by applying a PLS1 method to data obtained in terahertz reflectometry", 3rd EOS Topical Meeting on Terahertz Science & Technology (TST 2012), Prague, Czech Republic, June 17-20, TST2012_5288_009 (2012).
Y. Iyonaga, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, T. Iwata, and T. Yasui, and T. Araki, "Improvement of spectral accuracy in asynchronous-optical-sampling THz time-domain spectroscopy by sweeping of mode-locked frequency in dual fiber lasers", 3rd EOS Topical Meeting on Terahertz Science & Technology (TST 2012), Prague, Czech Republic, June 17-20, TST2012_5281_004 (2012).
T. Yasui, Y. Ohgi, M. Minami, M. Jewariya, M. Nagai, T. Araki, and E. Abraham, "Line-field terahertz computed tomography of continuously rotating object", 3rd EOS Topical Meeting on Terahertz Science & Technology (TST 2012), Prague, Czech Republic, June 17-20, TST2012_5308 (2012).
T. Yasui, Y.-D. Hsieh, Y. Iyonaga, H. Inaba, K. Minoshima, S. Yokoyama, and T. Araki , "Sweeping of THz frequency comb for high-accuracy, high-resolution, and broadband THz spectroscopy", CLEO: Science & Innovations 2012, San Jose, USA, May 6-11, Technical Digest (CD), CM1L6 (2012/5/7).
T. Yasui, M. Yonetsu, R. Tanaka, S. Fukushima, T. Yamashita, Y. Ogura, T. Hirao, and T. Araki, "Application of second-harmonic generation microscopy for in vivo observation of structural change in human dermal collagen fiber caused by aging and/or UV exposure", BiOS 2012 (Photonic West 2012), San Francisco, USA, Jan. 21-26, 8226-120 (2012).

2011

(invited talk) T. Yasui, "How to measure THz frequencies with high precision",The 4th Japan-Korea Joint workshop on THz Technology, Nagoya, Japan, Dec. 19-20 (2011).
T. Yasui and T. Araki,"Sensitive measurement of water content in dry material using low-frequency terahertz time-domain spectroscopy system equipped with micro-structured photoconductive antennas",1st EOS Topical Meeting on Micro- and Nano-Optoelectronic Systems,Bremen, Germany, Dec. 7-9, (2011).
E. Abraham, Y. Ohgi, M. Minami, M. Jewariya, M. Nagai, T. Araki, and T. Yasui, "Fast terahertz computed tomography for continuously rotating object",36th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2011), Th5.37, Houston, USA, Oct. 2-7, (2011).
Y.-D. Hsieh, M. Nose, S. Yokoyama, H. Inaba, K. Minoshima, T. Araki, and T. Yasui, "Observation of terahertz frequency comb by time-window-extended, asynchronous-optical-sampling THz-TDS",36th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2011), W4D.1, Houston, USA, Oct. 2-7, (2011).
M. Jewariya, K. Kawamoto, M. Nose, Y. Sakaguchi, T. Yasui, H. Inaba, K. Minoshima, and T. Araki, "Evaluation of spectral resolution and accuracy in asynchronous-opticalsampling THz time-domain spectroscopy",36th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2011), M5.20, Houston, USA, Oct. 2-7, (2011).
(invited talk) T. Yasui, H. Inaba, and K. Minoshima, "Terahertz frequency metrology based on frequency comb", Symposium on 'A Revolution in Spectroscopy by the Optical Frequency Comb', Tsukuba, Japan, Sep. 26 (2011).
T. Yasui, H. Inaba, K. Minoshima, and T. Araki, "THz frequency synthesizer based on dual optical comb", Symposium on 'A Revolution in Spectroscopy by the Optical Frequency Comb', Tsukuba, Japan, Sep. 26 (2011).
(invited talk) T. Yasui, "THz color scanner for moving objects",Pacific Rim Conference on Lasers and Electro-Optics 2011 (CLEO/Pacific Rim 2011) , Sydney, Australia, Aug. 28th - Sep. 1 (2011).
R. Tanaka, T. Yasui, S. Fukushima, and T. Araki, "In vivo observation of skin burn using collagen-sensitive second-harmonic-generation microscopy",Pacific Rim Conference on Lasers and Electro-Optics 2011 (CLEO/Pacific Rim 2011) , Sydney, Australia, Aug. 28th - Sep. 1 (2011).
(invited talk) T. Yasui, "How to measure THz frequencies with high precision",THz Science and Technology ～The Castle Meeting～ , Schloss Rauischholzhausen, Germany, July 3-6 (2011).
M. Jewariya, K. Kawamoto, M. Nose, T. Araki, and T. Yasui, "Evaluation of spectral resolution and accuracy in asynchronous-optical-sampling THz time-domain-spectroscopy",THz Science and Technology ～The Castle Meeting～ , Schloss Rauischholzhausen, Germany, July 3-6 (2011).
E. Abraham, Y. Oghi, T. Araki, and T. Yasui , "Real-time line projection for fast terahertz computed tomography", CLEO: Science & Innovations 2011, Baltimore, USA, May 1-6, Technical Digest (CD), CThV6 (2011/5/5).
T. Yasui, M. Fujio, R. Nakamura, S. Yokoyama, and T. Araki, "Phase-slope measurement of tunable CW-THz radiation and application for distance measurement of optically rough object", CLEO: Science & Innovations 2011, Baltimore, USA, May 1-6, Technical Digest (CD), JThB114 (2011/5/5).
T. Yasui, H. Takahashi, K. Kawamoto, Y. Iwamoto, K. Arai, H. Inaba, and K. Minoshima, "Terahertz frequency synthesizer traceable to a microwave frequency standard", International Workshop on Terahertz Science and Technology (OTST2011), Santa Barbara, USA, March 13-17 (2011).

2010

K. Kawamoto, H. Takahashi, Y. Iwamoto, K. Arai, T. Yasui, H. Inaba, K. Minoshimab, and T. Araki, "Accurate, continuously tunable, terahertz synthesizer based on photomixing of two continuous-wave lasers phase-locked to two independent fiber combs",35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2010), Rome, Italy, Sep. 5-10, Proceeding (CD),Mo-P.44 (2010).
(invited talk)T. Yasui, T. Iwata, and T. Araki, "Real-time terahertz color scanner",35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2010), Rome, Italy, Sep. 5-10, Proceeding (CD),Mo-C3.1 (2010).
T. Yasui and T. Araki, "Visualization of collagen molecule orientation in wrinkled skin using a polarization-resolved second-harmonic-generation microscope",30th European Congress of Molecular Spectroscopy (EUCMOS2010), Florence, Italy, Aug. 28-Sep. 3, Proceeding (CD), PS2-6 (2010).
T. Yasui, M. Nose, K. Kawamoto, S. Yokoyama, H. Inaba (AIST), K. Minoshima (AIST), T. Araki, "Observation of Terahertz Frequency Comb by Fiber-Based, Asynchronous-Optical-Sampling THz-TDS",CLEO/QELS and PhAST 2010, San Jose, USA, May 16-21, Technical Digest (CD), CMZ5 (2010).
T. Yasui, Y. Ohgi, Y. Kabetani, S. Yokoyama, and T. Araki, "Absolute Distance Measurement with Asynchronous-Optical-Sampling Terahertz Impulse Radar",CLEO/QELS and PhAST 2010, San Jose, USA, May 16-21, Technical Digest (CD), JWB4 (2010).
T. Yasui, K. Sasaki, R. Tanaka, S. Fukushima, T. Araki, "Determination of Burn Depth Based on Depth-Resolved Second-Harmonic-Generation Imaging of Dermal Collagen", Biomedical Optics(OSA Topical Meeting and Tabletop Exhibit), Miami, Florida, USA, April 11-14, Technical Digest (CD), BSuD104 (2010).

2009

M. Minami, T. Yasui, and T. Araki, "Real-time terahertz color scanner using Cherenkov radiation by tilted pulse front excitation", The International Workshop on Terahertz Technology 2009 (TeraTech '09), Osaka, Japan, Nov. 30- Dec. 3, 2P-11 (2009).
M. Nose, K. Kawamoto, A. Ihara, H. Inaba (AIST), K. Minoshima (AIST), T. Yasui, and T. Araki, "Asynchronous optical sampling terahertz time-domain spectroscopy system based on mode-locked-frequency-stabilized Er-doped fiber lasers", The International Workshop on Terahertz Technology 2009 (TeraTech '09), Osaka, Japan, Nov. 30- Dec. 3, 1P-44 (2009).
M. Nose, K. Kawamoto, A. Ihara, H. Inaba, K. Minoshima, T. Araki, and T. Yasui, "Fiber-based, asynchronous optical sampling terahertz time-Domain spectroscopy system",34th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2009), Busan, Korea, Sep. 21-25, Proceeding (CD), R5E12.0259 (2009).
M. Fujio, R. Nakamura, S. Yokoyama, T. Yasui, and T. Araki, "Phase measurement of tunable CW-THz radiation at multiple frequencies based on photoconductive mixing with terahertz frequency comb",34th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2009), Busan, Korea, Sep. 21-25, Proceeding (CD), R5E11.0240 (2009).
T. Yasui, H. Takahashi, Y. Iwamoto, H. Inaba, and K. Minoshima, "Continuous tuning of phase-locked CW-THz radiation by photomixing of two CW lasers locked to two independent optical combs",34th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2009), Busan, Korea, Sep. 21-25, Proceeding (CD), W4C03.0054 (2009).
T. Yasui, Y. Takahashi, and T. Araki, "Orientation mapping of dermal collagen fiber in photoaged skin using polarization-resolved second-harmonic-generation microscopy ",11th International Conference on Methods and Applications of Fluorescence: Spectroscopy, Imaging and Probes (MAF-11), Budapest, Hungary, Sep. 6-9, Book of Abstracts, pp. 161 (2009).
Y. Ohgi, Y. Kabetani, T. Yasui, S. Yokoyama, and T. Araki, "Asynchronous optical sampling, terahertz impulse radar ",8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2009) , Shanghai, China, Aug. 30th - Sep. 3, Technical Digest (CD), TuP7-09 (2009).
M. Yonetsu, Y. Takahashi, T. Yasui, and T. Araki, "Polarization-resolved second-harmonic-generation imaging of photoaged dermal collagen fiber",8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2009) , Shanghai, China, Aug. 30th - Sep. 3, Technical Digest (CD), TuP14-06 (2009).
T. Yasui, H. Takahashi, Y. Iwamoto, H. Inaba, K. Minoshima "Widely tunable, phase-locked CW-THz radiation by photomixing of two CW lasers locked to two independent fiber combs ",CLEO/QELS and PhAST 2009, Baltimore, USA, May 31- June 5, Technical Digest (CD), CWB7 (2009).
T. Yasui, R. Nakamura, A. Ihara, S. Yokoyama, H. Inaba, K. Minoshima,and T. Araki, "Terahertz spectrum analyzer for precise frequency measurement of CW THz source", International Workshop on Terahertz Science and Technology (OTST2009), Santa Barbara, USA, March 7-11 (2009).
T. Yasui, Y. Takahashi, and T. Araki, "Polarization-resolved second-harmonic-generation imaging of photoaged dermal collagen fiber", BiOS 2009 (Photonic West 2009), San Jose, USA, Jan. 24-29, 7183-69 (2009).

2008

S. Fukushima, T. Yasui, M. Hashimoto, and T. Araki, "In situ determination of molecular orientation in biological tisuue by second-harmonic generation microscopy", 1st Russian-Japanses Young Scientist Conference on Nanomaterials and Nanotechnology, Moscow, Russia, Oct. 6-7 (2008).
T. Yasui, Y. Kabetani, S. Yokoyama, and T. Araki, "Real-time, terahertz time-of-flight radar using an asynchronous optical sampling technique",EOS Annual Meeting 2008: Topical meeting of Terahertz Science and Technology (TOM2), Paris, France, Sep. 29-Oct. 2 (2008).
T. Yasui, R. Nakamura, S. Yokoyama, and T. Araki, "Precise frequency measurement of sub-THz CW test source based on terahertz frequency comb", EOS Annual Meeting 2008: Topical meeting of Terahertz Science and Technology (TOM2), Paris, France, Sep. 29-Oct. 2 (2008).
T. Yasui, K. Sawanaka, A. Ihara, E. Abraham, and T. Araki, "Terahertz color scanner for moving object", EOS Annual Meeting 2008: Topical meeting of Terahertz Science and Technology (TOM2), Paris, France, Sep. 29-Oct. 2, (2008).
R. Nakamura, S. Yokoyama, T. Yasui, and T. Araki, "Precise frequency measurement of sub-THz test source referring to as terahertz frequency comb", Joint 33rd International Conference on In frared and Millimeter Waves and 15th International Conference on Terahertz Electronics (IRMMW-THz 2008), Pasadena, California, USA, Sep. 15-19, Proceeding (CD), R2A5 (2008).
T. Yasui, Y. Kabetani, S. Yokoyama, and T. Araki, "Real-time, terahertz impulse radar based on asynchronous optical sampling", Joint 33rd International Conference on In frared and Millimeter Waves and 15th International Conference on Terahertz Electronics (IRMMW-THz 2008), Pasadena, California, USA, Sep. 15-19, Proceeding (CD), M3A5.1298 (2008).
T. Yasui, K. Sawanaka, A. Ihara, T. Araki, "Real-Time THz-TDS Line Scanner for Moving Object", CLEO/QELS and PhAST 2008, San Jose, USA, May 4-9, Technical Digest (CD), CThN4 (2008).
S. Yokoyama, T. Yasui, T. Araki, and Y. Hagihara "A distance meter using a sub-terahertz intermode beat in an optical frequency comb",CLEO/QELS and PhAST 2008, San Jose, USA, May 4-9, Technical Digest (CD), CMEE5 (2008).
T. Yasui, Y.Takahashi, and T. Araki, "In vivo second-harmonic-generation imaging of dermal collagen fiber using a mode-locked Cr:Forsterite laser", Biomedical Optics(OSA Topical Meeting and Tabletop Exhibit), St. Petersburg, Florida, USA, March 16-19, Technical Digest (CD), BTuF61 (2008).

2007

T. Yasui, K. Sawanaka, A. Ihara, and T. Araki, "Real-time, one-dimensional terahertz timedomain spectroscopic imaging of moving object",Joint 32nd International Conference on In frared and Millimeter Waves and 15th International Conference on Terahertz Electronics (IRMMW-THz 2007),, Cardif, England, Sep. 2-7, MonA2-5, pp. 60-61 (2007).
Y. Kabetani, R. Nakamura, S. Yokoyama, T. Yasui, and T. Araki, "Terahertz Time-domain Spectroscopy of Water Vapor Based on Asynchronous Optical Sampling", the 7th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2007), Seoul, Korea, Aug. 26-31, WP_119, pp. 768-769 (2007).
A. Ihara, K. Sawanaka, T. Yasui, and T. Araki, "Two-dimensional Terahertz Time-domain Spectroscopic Imaging of Moving Object", the 7th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2007), Seoul, Korea, Aug. 26-31, FH2-2, pp. 1550-1551 (2007).
S. Fukushima, R. Nakayama, T. Yasui, and T. Araki, "Second Harmonic Generation Imaging of Cultured Collagen Gel", 3rd Asian and Pacific Rim Symposium on Biophotonics
& Biophotonics Downunder II (APBP2007), Cairns, Australia, July 9-11, pp.13-14, (2007).
Y. Takahashi, M. Ito, T. Yasui, T. Iwata, and T. Araki,, "Optical-Sectioning, Second-Harmonic-Generation Imaging of Dermal CollagenFiber using a Mode-Locked Cr:Forsterite Laser", 3rd Asian and Pacific Rim Symposium on Biophotonics & Biophotonics Downunder II (APBP2007), Cairns, Australia, July 9-11, pp.110-111, (2007).
S. Yokoyama, Y. Kabetani, T. Yasui, and T. Araki, "Terahertz Frequency Comb for High-accuracy, High-resolution Terahertz Spectroscopy",CLEO/QELS and PhAST 2007, Baltimore, USA, May 6-11, Technical Digest (CD), CMR5, (2007).
T. Yasui, Y. Kabetani, S. Yokoyama and T. Araki, "Terahertz Frequency‐Domain Spectroscopy Referring to as Terahertz Frequency Comb",Optical Terahertz Science and Technology (OSA Topical Meeting), Orlando, USA, March 18-21, Technical Digest (CD), MC5 (2007).

2006

T. Yasui, T. Yasuda, K. Sawanaka, and T. Araki, "Noncontact terahertz paintmeter for real-time two-dimensional cross-section imaging of paint film thickness", 9th European Conference on Non-Destructive Testing , Berlin, German, Sep. 25-29, Tu.2.8.2 (2006).
Y. Kabetani, T. Yasui, E. Saneyoshi, S. Yokoyama, and T. Araki, "High-accuracy, high-resolution terahertz frequency-comb spectroscopy based on multi-frequency-heterodyning photoconductive detection", Joint 31st International Conference on In frared and Millimeter Waves and 14th International Conference on Terahertz Electronics (IRMMW-THz 2006), Shanghai, China, Sep. 18-22 (2006).
R.Nakayama, S. Fukushima, T.Yasui , T. Araki , "In situ imaging of collagen gel with a second-harmonic generation microscope", 5th World Congress of Biomechanics, Munich, Germany, July 29th -Aug. 4th (2006)
T. Yasui, T. Yasuda, K. Sawanaka, T. Araki, "Two-dimensional Cross-sectional Imaging of Moving Objects Based on Real-time Two-dimensional Terahertz Tomography", CLEO/QELS and PhAST 2006, Long Beach, USA, May 21-26, CMLL3, (2006).

2005

T. Yasui, E. Saneyoshi, and T. Araki, "Rapid terahertz frequency-domain spectroscopy using two asynchronous-controlled femtosecond lasers", International workshop on terahertz technology 2005, Osaka, Japan, November 16-18, 17PS-37, pp. 217-218 (2005).
E. Saneyoshi, T. Yasui, and T. Araki, "Rapid, ultrahigh-resolution terahertz time-domain spectrometer using two asynchronous-controlled femtosecond lasers", Proc. The Joint 30th International Conference on In frared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THz 2005), Williamsburg, Virginia USA, September 19-23, TC5-13, pp. 317-318 (2005).
K. Sawanaka, T. Yasui, T. Yasuda, and T. Araki, "Real-time one-dimensional terahertz time-domain spectroscopic imaging", Proc. The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THz 2005), Williamsburg, Virginia USA, September 19-23, TC5-18, pp. 325-326 (2005).
T. Yasui, T. Yasuda and T. Araki, "Real-time two-dimensional terahertz tomography", Proc. The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THz 2005), Williamsburg, Virginia USA, September 19-23, RA1-3, pp. 580-581 (2005).
R. Nakayama, S. Fukushima, T. Yasui, T. Araki, "Observation of collagen and fibroblast with a second-harmonic-generation microscopy", The 2nd Japan-Switzerland Workshop on Biomechanics, Kyoto, Japan, September 12-16 (2005)
T. Yasui and T. Araki, "Sensitive measurement of water content in dry material based on low-frequency terahertz time-domain spectroscopy", 20th Congress of
the International Commission for Optics (ICO20), Changchun, China, August 21-26, Technical digest 0301-30, pp. 116, Proc. SPIE 6024, 60240A (2006).
[Best Student Paper Award] K. Sawanaka, T. Yasui, T. Yasuda, and T. Araki, "Real-time one-dimensional Terahertz time-domain spectroscopic imaging for a moving object", Proc. International Conference on Quantum Electronics 2005 and the Pacific Rim Conference on Lasers and Electro-Optics 2005 (IQEC/CLEO-PR 2005) (CD), Tokyo, Japan, July 11-15, JFH3-2, pp. 1646-1648 (CD) (2005).
E. Saneyoshi, T. Yasui, and T. Araki, "Rapid, ultrahigh-resolution Terahertz time-domain spectrometer based on asynchronous optical sampling method", Proc. International Conference on Quantum Electronics 2005 and the Pacific Rim Conference on Lasers and Electro-Optics 2005 (IQEC/CLEO-PR 2005) (CD), Tokyo, Japan, July 11-15, JFH1-5, pp. 1477-1479 (2005).
M. Ito, K. Sasaki, T. Yasui, T. Araki, T. Yamashita, N. Kunizawa, and M. Takahashi, "Second-harmonic-generation imaging of collagen fiber in dermis tissue", Proc. International Conference on Quantum Electronics 2005 and the Pacific Rim Conference on Lasers and Electro-Optics 2005 (IQEC/CLEO-PR 2005) (CD), Tokyo, Japan, July 11-15, CWAB3-P99, p. 1000-1001 (CD) (2005).
T. Yasui, M. Ito, K. Sasaki, T. Araki, T. Yamashita, N. Kunizawa, and M. Takahashi, "Observation of collagen fiber structure in dermis tissue by a Second-Harmonic-Generation microscope", European Conferences on Biomedical Optics (OSA Topical Meeting), Munich, Germany, June 12-16, TuH2 , Proc. SPIE 5860, 5860O (2005).
T. Yasuda, T. Yasui, and T. Araki, "Real-time two-dimensional spatiotemporal imagingfor THz tomography of a moving object", Optical Terahertz Science and Technology (OSA Topical Meeting), Orlando, USA, March 14-16, Tecnhical Digest (CD) TuC6 (2005).

2004

K. Sasaki, T. Yasui, Y. Tohno, T. Araki, "Tomographic imaging of collagen fiber orientation in human tissue using depth-resolved polarimetry of second-harmonic-generation light", Proc. 2nd Asian and Pacific Rim Symposium on Biophotonics, Taipei, Taiwan, Dec. 15-Dec. 17, pp.205-206 (2004).
T. Yasui, Y. Hori, K. Sasaki, Y. Tohno, T. Araki, "Tomography of collagen fiber orientation in human tissue using depth-resolved second-harmonicgeneration polarimetry", Abst. 8th International Conference on Optics Within Life Sciences, Melbourne, Australia, pp. 195-196, Nev. 28-Dec. 1 (2004).

2003

Y. Hori, T. Yasui, and T. Araki, "Multiple-scattering-free optical glucose monitroing based on femtosecond pulse interferometry", Proc. 5th Pacific Rim Conference on Lasers and Electro-Optics, pp. 467 (2003, Taipei).
T. Yasui, K. Shimabayashi, Y. Tohno, T. Araki, "Polarimetric imaging of SHG light for spatial distribution measurement of collagen orientation in biological tissue", Proc. 5th Pacific Rim Conference on Lasers and Electro-Optics, pp. 361 (2003, Taipei).
T. Yasui, T. Yasuda, T. Iwata, and T. Araki, "SIimultaneous measurement of thickness and drying process of paint film by terahertz electromagnetic pulse", Proc. 5th Pacific Rim Conference on Lasers and Electro-Optics, pp. 480 (2003, Taipei).
T. Yasui, T. Yasuda, T. Iwata, and T. Araki, "Simultaneous monitoring of thickness and drying process of paint film based on terahertz electromagnetic pulse", Proc. 11th International Conference on Terahertz Electronics , PP. 135 (2003, Sendai).
T. Araki, T. Yasui, and Y. Tohno, "Femtosecond-Laser Induced Second-Harmonic-Generation light that idicates the orientation of collagen fiber in tissue", Abst. World Congress on Medical Physics and Biomedical Engineering, , in CD-ROM (2003, Sydney).
T. Yasui, K. Shimabayashi, Y. Tohno and T. Araki, "Polarization-resolved SHG imaging for spatial distribution measurement of collagen orientation in biological tissue", Abst. 10th International workshop on Femtosecond Technology, pp. 199(2003, Makuhari).
Y. Hori, T. Yasui and T. Araki, "Femtosecond two-color pulse interferometry for the measurement of glucose concentration", Abst. 10th International workshop on Femtosecond Technology, pp. 198(2003, Makuhari).

2002

K. Shimabayashi, T. Yasui, Y. Tohno and T. Araki, "Imaging of the polarized Second-Harmonic-Generation light distribution to determine the orientation of collagen molecules in tissue", Proc. Asian Symposium on Biomedical Optics and Photomedicine 2002, pp. 268-269 (2002, Sapporo).
Y. Hori, T. Yasui and T. Araki, "Femtosecond two-color pulse interferometry for the measurement of glucose concentration", Proc. 19th Congress of The International Commission for Optics, SPIE, Vol. 4829, pp. 539-540 (2002, Florence).
T. Yasui, K. Shimabayashi, H. Kawaguchi, Y. Tohno, T. Iwata and T. Araki, "Polarimetry of Second-Harmonic-Generation Light Sensitive to Orientation of Tissue Collagen", Abst. International Conference on Optics Within Life Science VII, pp. 19 (2002, Switzerland).
T. Yasui, T. Mitsunari and T. Araki, "Fast amplitude-modulation of THz radiation using the bias modulation of photoconductive emitter and application to measurement of water content", Abst. 9th International workshop on Femtosecond Technology, pp. 183(2002, Tsukuba).
T. Yasui, T. Mitsunari and T. Araki, "Measurement of thickness and dry-state of the paint film using THz electromagnetic pulse", Abst. 9th International workshop on Femtosecond Technology, pp. 182(2002, Tsukuba).

2001

T. Yasui, K. Nakamoto, Y. Tohno and T. Araki, "Laser induced dynamic emission sensitive to the conformation of tissue collagen", Proc. Switzerland-Japan Workshop on New Directions in Cellular and Tissues Biomechanics, pp. 85(2001, Switzerland).

2000

T. Araki, M. Hashimoto, T. Yasui, G. Yamada, and Y. Tohno, "Change of dynamic fluorescence of tissue in nanosecond region induced by glycosylation of collagen", Proceedings of the tenth international conference on biomedical engineering (J. G. N. U. of Singapore), ed.), pp. 87-88, (2000).