FY2017

Papers
1. Alexander De Los Reyes, Elizabeth Ann Prieto, Karim Omambac, Jeremy Porquez, Lorenzo Lopez Jr., Karl Cedric Gonzales, John Daniel Vasquez, Mae Agatha Tumanguil, Joselito Muldera, Kohji Yamamoto, Masahiko Tani, Armando Somintac, Elmer Estacio, Arnel Salvador: "Terahertz emission characteristics of GaMnAs dilute magnetic semiconductor under 650 mT external magnetic field" Current Applied Physics, 17, 522 (2017).
2. Ali Khumaeni, Masahiko Tani, Kazuyoshi Kurihara, Kiichiro Kagawa & Hideaki Niki: "Coarse Metal Powder Assisted Pulsed CO2 Laser-Induced Breakdown Spectroscopy for the Direct Determination of Heavy Metals in Soil" Analytical Letters, 50, 1992 (2017).
3. Mary Clare Sison Escaño, Hideaki Kasai, Masahiko Tani: "Symmetry breaking-induced band-splitting in GaAs thin film by first-principles calculations" Journal of Vacuum Society of Japan (in press).

FY2016

Papers
1. Dmitry S. Bulgarevich, Mitsuharu Shiwa, Takashi Furuya and Masahiko Tani: "Gigahertz time-domain spectroscopy and imaging for non-destructive materials research and evaluation" Scientific Report, 6, 27980 (2016).
2. Michael I. Bakunov; Sergey D. Gorelov; Masahiko Tani: "Nonellipsometric Noncollinear Electrooptic Sampling of Terahertz Waves: A Comprehensive Theory" IEEE Transactions on Terahertz Science and Technology, 6, 473 (2016).
3. Osamu Morikawa, Kohji Yamamoto, Kazuyoshi Kurihara, Masahiko Tani, Fumiyoshi Kuwashima, and Masanori Hangyo: "Aperture transmission measurements for characterization of focusing of sub-THz radiation" Journal of the Optical Society of America B, 33, 1456 (2016).
4. Osamu Morikawa, Kohji Yamamoto, Kazuyoshi Kurihara, Masahiko Tani, Fumiyoshi Kuwashima, and Masanori Hangyo: "Sub-terahertz imaging using a low-cost system with photoconductive spiral antennas and a multimode laser diode" Journal of the Optical Society of America B, 33,1940 (2016).
5. Ramon delos Santos, Shinpei Ozawa, Valynn Mag-usara, Syougo Azuma, Anthony Tuico, Vernalyn Copa, Arnel Salvador, Kohji Yamamoto, Armando Somintac, Kazuyoshi Kurihara, Hideaki Kitahara, Masahiko Tani and Elmer Estacio: " Cherenkov-phase-matched nonlinear optical detection and generation of terahertz radiation via GaAs with metal-coating" Optics Express, 24, 24980 (2016).
6. Valynn Katrine Mag-usara, Stefan Funkner, Gudrun Niehues, Elizabeth Ann Prieto, Maria Herminia Balgos, Armando Somintac, Elmer Estacio, Arnel Salvador, Kohji Yamamoto, Muneaki Hase, Masaiko Tani:"Low temperature-grown GaAs carrier lifetime evaluation by double optical pump terahertz time-domain emission spectroscopy" Optics Express 24, 26175 (2016).
7. Dmitry S. Bulgarevich, Makoto Watanabe Mitsuharu Shiwa, Gudrun Neihues, Hideaki Kitahara, and Masahiko Tani: " Polarization-variable emitter for terahertz time-domain spectroscopy" Optics Express, 24, 27160 (2016).
8. Valynn Katrine Mag-usara, Dmitry S. Bulgarevich, Mitsuharu Shiwa, Makoto Watanabe, Masahiko Tani: "External magnetic field distribution mapping using terahertz emission from indium antimonide" Japanese Journal of Applied Physics, 56, 028001 (2017).
9. 栗原一嘉，桒島史欣，森川治，山本晃司，谷正彦：「金属Ｖ溝テーパー導波路によるTHz波プラズモン超集束の原理と応用 ─電子・電磁波複合系としてのTHz波表面プラズモンポラリトン─,レーザー研究，2017年3月号，pp.158-164.

Patent
発明の吊称：電磁波検出方法及び電磁波検出装置[超集束EOサンプリングの特許]
発明者：谷　正彦，栗原　一嘉，山本　晃司，桑島　史欣
特許出願人：国立大学法人福井大学（識別番号 504145320）
学校法人金井学園（識別番号　390013815）
特許出願番号：特願2012＊155368，特許出願年月日：2012年7月11日
公開番号：特開2014-16303(P2014-16303A)
公開日：2014年（平成26年）1月30日
特許番号：特許第5963080号
登録日：2016年（平成28年）7月8日

FY2015

Papers
1. Gudrn Niehues, Stefan Funkner, Dmitry S.Bulgarevich, Satoshi Tsuzuki, Takashi Furuya, Koji Yamamoto, Mitsuharu Shiwa, and Masahiko Tani: " A matter of symmetry:terahertz polarization detection properties of a multi-contact photoconductive antenna evaluated by a response matrix analisis " Optics Express, 23, 16184 (2015).
2. Presto Jorge Michael M, Prieto Elizabeth Ann P, Omambac Karim M, Afalla Jessica Pauline C, Lumantas Deborah Anne O, Salvador Arnel A, Somintac Armando S, Estacio Elmer S, Yamamoto Kohji, Tani Masahiko: "Confined photocarrier transport in InAs pyramidal quantum dots via terahertz time-domain spectroscopy " Optics Express, 23, 14532 (2015).
3. Satoshi Tsuzuki, Nobu Kuzuu, Hideharu Horikoshi, Katsuya Saito, Kohji Yamamoto, and Masahiko Tani: "Influence of OH-group concentration on optical properties of silica glass in terahertz frequency region " Applied Physics Express 8, 072402 (2015).
4. E. A. Mashkovich, A. I. Shugurov, S. Ozawa, E. Estacio, M. Tani, M. I. Bakunov: " Noncollinear Electro-Optic Sampling of Terahertz Waves in a Thick GaAs Crystal" IEEE Transactions on Terahertz Science and Technology, 5, 732 (2015).
5. Dmitry S. Bulgarevich, Mitsuharu Shiwa, Gudrun Niehues, and Masahiko Tani:" Linear Dichroism Detection and Analysis in Terahertz Spectral Range" IEEE Transactions on Terahertz Science and Technology, 5, 1097 (2015).
6. Gil Nonato C. Santos, Eduardo B. Tibayan, Gwen B. Castillon, Elmer Estacio, Takashi Furuya, Atsushi Iwamae, Kohji Yamamoto and Masahiko Tani: "Tin Oxide-Silver Composite Nanomaterial Coating for UV Protection and Its Bactericidal Effect on Escherichia coli (E.coli)" Photocalytic Coatings for Air-Purifying, Self-Cleaning and Antimicrobial Properties, pp.41-49 (2015).

FY2014

Papers
1. Dmitry S. Bulgarevich, Makoto Watanabe, Mitsuharu Shiwa, Gudrun Niehues, Seizi Nishizawa, and Masahiko Tani: “A polarization-sensitive 4-contact detector for terahertz time-domain spectroscopy” Optics Express, 22, 10332 (2014).
2. Gil Nonato C. Santos,Eduardo B. Tibayan,Gwen B. Castillon,Elmer Estacio,Takashi Furuya,Atsushi Iwamae,Kohji Yamamotoand Masahiko Tani: “Tin Oxide-Silver Composite Nanomaterial Coating for UV Protection and Its Bactericidal Effect on Escherichia coli (E. coli)” Coatings, 4, 320 (2014).
3. Stefan Funkner, Katsuya Saito, Gudrun Niehues, Yoshiki Yazawa, Takashi Furuya, Kohji Yamamoto, Masahiko Tani: “Utilization of chirped laser pulses to measure stimulated Raman scattering of organic liquids in the terahertz regime” Applied Physics Letters,105, 021103 (2014).
4. Kazuyoshi Kurihara, Akira Otomo, Kazuhiro Yamamoto, Junichi Takahara, Masahiko Tani, Fumiyoshi Kuwashima: "Identification of Plasmonic Modes in Parabolic Cylinder Geometry by Quasi-Separation of Variables" Plasmonics 10, 165 (2014).
5. Satoshi Tsuzuki, Daiki Takeshima, Tomoya Sakon, Tetsuya Kinoshita, Tomohiro Nagase, Kazuyoshi Kurihara, Kohji Yamamoto,Fumiyoshi Kuwashima,Takashi Furuya, Elmer Estacio, Kodo Kawase, Michael I. Bakunov, Masahiko Tani: “Highly sensitive electro-optic sampling of terahertz waves using field enhancement in a tapered waveguide structure” Applied Physics Express, 7, 112401(2014).
6. Cyril P. Sadia, Joselito Muldera, Elmer S.Estacio, Armando S.Somintac, Arnel A.Salvador,Christopher T.Que, Kohji Yamamoto,and Masahiko Tani:“Interruption-assisted epitaxy of faceted p-InAs on buffered GaSb for terahertz emitters” Applied Physics Express, 8, 035501 (2015).
7. Zhenyu Zhao, Gudrun Niehues, Stefan Funkner, Elmer Estacio, Qifeng Han, Kohji Yamamoto, Jingtao Zhang, Wangzhou Shi, Qixin Guo, and Masahiko Tani:"Terahertz surface emission from Cu2ZnSnSe4 thin film photovoltaic material excited by femtosecond laser pulses" Applied Physics Letters, 105, 231104 ( 2014).
8. Katsunari Irie, Keisuke Takano, John C.Young, Kohji Yamamoto, Masahiko Tani, Takehito Suzuki:“Spectral Characteristics of Photoconductive Dipole Antennas Including Photocurrent and Receiving Antenna Effects”Journal of Modeling and Simulation of Antennas and Propagation,1, 20 (2015)

Reviews
谷正彦，山本晃司，マイケル バクノフ：研究紹介「非共軸な位相整合を用いたテラヘルツ波の電気光学サンプリング検出技術」応用物理　第83巻，第11号, pp917-922（2014年）

FY2013

Papers
1. Masahiko Tani, Tetsuya Kinoshita, Tomohiro Nagase, Kazuki Horita, Christopher T. Que, Elmer Estacio, Kohji Yamamoto, and Michael I. Bakunov: “Non-ellipsometric detection of terahertz radiation using heterodyne EO sampling in the Cherenkov velocity matching scheme” Optics Express, 21, 9277 (2013).
2. Masaya Kawase, Kohji Yamamoto, Keita Takagi, Ryohei Yasuda, Masafumi Ogawa, Yasutoshi Hatsuda, Sonoyo Kawanishi, Yoshihiko Hirotani, Michiaki Myotoku, Yoko Urashima, Katsuhito Nagai, Kenji Ikeda, Hiroki Konishi, Junji Yamakawa, Masahiko Tani: “Non-Destructive Evaluation Method of Pharmaceutical Tablet by Terahertz-Time-Domain Spectroscopy: Application to Sound-Alike Medicines” J. Infrared, Millimeter and Terahertz Waves, 34 566 (2013).
3. Takeshi Nagashima, Masahiko Tani, Masanori Hangyo: “Polarization-sensitive THz-TDS and its Application to Anisotropy Sensing” Journal of Infrared, Millimeter and Terahhertz Waves, 34, 740 (2013).
4. Elizabeth Ann P. Prieto, Sheryl Ann B. Vizcara, Armando S. Somintac, Arnel A. Salvador, Elmer S. Estacio, Christopher T. Que, Kohji Yamamoto, Masahiko Tani: “Terahertz emission enhancement in low-temperature-grown GaAs with an n-GaAs buffer in reflection and transmission excitation geometries” Journal of the Optical Society of America B, 31, 291 (2014).

Bulletin
森川 治 ，山本 晃司，谷 正彦，栗原 一嘉，桒島史欣，藤田正実，萩行 正憲：「金属構造によるsub-THz電磁波の超集束の試み」 海上保安大学校研究報告理工学系，第57巻，第1・2号合併号， pp.5-13 (2014年3月)（査読なし）

FY2012

Papers
1. Masahiko Tani, Kohji Yamamoto, Elmer S. Estacio, Christopher T. Que, Hidekazu Nakajima, Masakazu Hibi, Fumiaki Miyamaru, Seizi Nishizawa, and Masanori Hangyo: “Photoconductive emission and detection of terahertz pulsed radiation using semiconductors and semiconductor devices” in special issue of Journal of Infrared, Millimeter and Terahertz Waves, 33, 393 (2012).
2. 谷正彦，バクノフ・マイケル，山本晃司，堀田和希，木下徹也，永瀬友大：「ヘテロダイン電気光学サンプリングによるテラヘルツパルス波の検出」電気学会論文誌A部門誌（IEEJ Transactions on Fundamentals and Materials）， 2012年9月号(Vol.132, No.9, テラヘルツ波特集号), pp. 727-733.
3. 桑島 史欣, 谷口 真一郎, 谷 正彦, 栗原 一嘉, 萩行 正憲, 長島 健, 岩澤 宏：「ファイバカプラとレーザカオスを用いたTHz波の安定化と広帯域化」電気学会論文誌A部門誌（IEEJ Transactions on Fundamentals and Materials）, 2012年9月号(Vol.132, No.9, テラヘルツ波特集号), pp. 734-740.
4. Cyril Sadia, Aleena Maria Laganapan, Mae Agatha Tumanguil, Elmer Estacio, Armando Somintac, Arnel Salvador, Christopher Que, Kohji Yamamoto, and Masahiko Tani: “Intense terahertz emission from MBE-grown GaAs/GaSb(001)” Journal of Applied Physics,112, 123514 (2012).
5. Takashi Furuya, Elmer S. Estacio, Kazuki Horita, Christopher T. Que, Kohji Yamamoto, Fumiaki Miyamaru, Seiji Nishizawa, Masahiko Tani: “Fast-Scan Terahertz Time Domain Spectrometer Based on Laser Repetition Frequency Modulation” Japanese Journal of Applied Physics, 52, 022401 (2013).
6. Jasher John Ibanes, Ma. Herminia Balgos, Rafael Jaculbia, Arnel Salvador, Armando Somintac, Elmer Estacio, Christopher T. Que, Satoshi Tsuzuki, Kohji Yamamoto, and Masahiko Tani: “Terahertz emission from GaAs-AlGaAs core-shell nanowires on Si (100) substrate: effects of applied magnetic field and excitation wavelength” Applied Physics Letters, 102, 063101 (2013).
7. Hidekazu Nakajima, Christopher T. Que, Elmer S. Estacio, Kohji Yamamoto, and Masahiko Tani: “Lens Coupler and Magnetic Field Terahertz Emission Enhancement in InSb and InAs under 1.55-um Excitation” Japanese Journal of Applied Physics, 52, 032201 (2013).
8. S. Brahadeeswaran, Y. Takahashi, M. Yoshimura, M. Tani, S. Okada, S. Nashima, Y. Mori, M. Hangyo, H. Ito, and T. Sasaki: "Growth of Ultrathin and Highly Efficient Organic Nonlinear Optical Crystal 4'-Dimethylamino N methyl-4-Stilbazolium p Chlorobenzenesulfonate for Enhanced Terahertz Efficiency at Higher Frequencies" Crystal Growth & Design, Vol. 12, 415 ( 2013).

Book
1. Masahiko Tani, Masakazu Hibi, Kohji Yamamoto, Mariko Yamaguchi, Elmer S. Estacio, Christopher T. Que, and Masanori Hangyo: “Low-frequency Coherent Raman Spectroscopy Using Spectral-focusing of Chirped Laser Pulses,” Vibrational Spectroscopy, 7, 153-168 (ISBN 979-953-307-606-4, edited by Dominique de Caro, 2012, InTech)
2. 谷　正彦：「図解　よくわかる　電磁波化学～マイクロ波化学・テラヘルツ波化学・光化学・メタマテリアル～」（日刊工業新聞社　堀越智　編著／谷　正彦・佐々木政子　著，2012年10月出版）

Patent
発明の名称: 電磁波検出方法及び電磁波検出装置
発明者: 谷　正彦，栗原　一嘉，山本　晃司，桑島　史欣
(2012年7月11日出願)
特許出願人：
識別番号:　504145320
氏名又は名称 : 国立大学法人福井大学
識別番号: 390013815
氏名又は名称: 学校法人金井学園
出願番号：特願2012－155368

Award
受賞学術賞名：
第11回APEX/JJAP編集貢献賞
主催団体名：応用物理学会
受賞の対象：APEX/JJAPの編集・出版についての貢献
受賞者：谷　正彦
備考：受賞通知2013年2月26日，授与式2013年4月10日

FY2008-FY2011

Click here for the publications etc.