Chikao Nagasawa

Profile Information

Affiliation: Faculty of EngineeringDepartment of Electronics and Information Engineering, Tokyo Metropolitan University

Degree: (BLANK)(Kyushu University)
(BLANK)(Kyushu University)

J-GLOBAL ID: 200901021798776784
researchmap Member ID: 1000053495

Research Interests

Research Areas

Research History

2015 - Present

Tokyo Metropolitan University
2005 - 2015

Tokyo Metropolitan University
1995 - 2005

Tokyo Metropolitan University
1986 - 1995

Tokyo Metropolitan University
1986 - 1995

Tokyo Metropolitan University, Associate Professor
1984 - 1986

Tokyo Metropolitan University
1984 - 1986

Tokyo Metropolitan University, Lecturer
1981 - 1983

Tokyo Metropolitan University
1981 - 1983

Tokyo Metropolitan University, Research Assistant

Education

- 1979

Kyushu University
- 1979

Graduate School, Division of Natural Science, Kyushu University
- 1974

School of Sciences, Kyushu University
- 1974

Faculty of Science, Kyushu University

Committee Memberships

2018 - Present

会長, レーザセンシング学会
2000 - 2001

評議員, 日本リモートセンシング学会
1997 - 1999

委員長, 電気学会「公共施設における無線技術専門調査委員会」

Awards

2012

SGEPSSフロンティア賞, 先端的ライダー技術開発とその地球大気観測への応用, 地球電磁気・地球惑星圏学会

長澤親生, 阿保真, 柴田泰邦

Papers

Comparison of CO2 Vertical Profiles in the Lower Troposphere between 1.6 mu m Differential Absorption Lidar and Aircraft Measurements Over Tsukuba

Shibata Yasukuni, Nagasawa Chikao, Abo Makoto, Inoue Makoto, Morino Isamu, Uchino Osamu

SENSORS, 18(11), Nov, 2018 Peer-reviewed
Development of 1.6 mu m DIAL using an OPG/OPA transmitter for measuring atmospheric CO2 concentration profiles

Yasukuni Shibata, Chikao Nagasawa, Makoto Abo

APPLIED OPTICS, 56(4) 1194-1201, Feb, 2017 Peer-reviewed
LIDAR OBSERVATION OF TROPOPAUSE OZONE PROFILES IN THE EQUATORIAL REGION

Yasukuni Shibata, Chikao Nagasawa, Makoto Abo

27TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 27), 119, 2016 Peer-reviewed
MEASUREMENT OF LOWER-ATMOSPHERIC CO2 CONCENTRATION DISTRIBUTION USING A COMPACT 1.6 mu m DIAL

Yasukuni Shibata, Chikao Nagasawa, Makoto Abo

27TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 27), 119, 2016 Peer-reviewed
LIDAR OBSERVATION OF THE 2014 KELUT VOLCANIC STRATOSPHERIC AEROSOLS AT KOTOTABANG, INDONESIA

Makoto Abo, Yasukuni Shibata, Chikao Nagasawa

27TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 27), 119, 2016 Peer-reviewed
HIGH SPECTRAL RESOLUTION LIDAR BASED ON A POTASSIUM FARADAY DISPERSIVE FILTER FOR DAYTIME TEMPERATURE MEASUREMENT

Makoto Abo, Phong Pham Le Hoai, Kouki Aruga, Chikao Nagasawa, Yasukuni Shibata

27TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 27), 119, 2016 Peer-reviewed
CHARACTERISTICS OF THE OPG SYSTEM USIG QUASIPHASE-MATCHED NONLINEAR CRYSTALS FOR 1.6 mu m CO2 DIAL

Yasukuni Shibata, Chikao Nagasawa, Makoto Abo

27TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 27), 119, 2016 Peer-reviewed
A direct detection 1.6 mu m DIAL with three wavelengths for high accuracy measurements of vertical CO2 concentration and temperature profiles

Shibata Yasukuni, Nagasawa Chikao, Abo Makoto

LIDAR TECHNOLOGIES, TECHNIQUES, AND MEASUREMENTS FOR ATMOSPHERIC REMOTE SENSING IX, 8894, 2013 Peer-reviewed
Lidar Technique for Measurements of CO2 Concentration Profiles to High Altitudes from Ground

NAGASAWA Chikao

光学, 41(1) 9-14, Jan, 2012 Peer-reviewed
地球大気の健康状態を計測する大気中のCO₂濃度観測用DIALの開発

長澤親生, 阿保真, 柴田泰邦

計測と制御, 50(10) 883-887, Oct, 2011 Peer-reviewed
Development of DIAL for measurements of CO2 concentration profiles in the atmosphere

長澤親生, 阿保真, 柴田泰邦

Journal of the Society of Instrument and Control Engineers, 50(10) 883-887, Oct, 2011 Peer-reviewed
Development of Compact Incoherent Doppler Lidar Using A 1.5-μm Fiber Bragg Grating Filter

SHIBATA Yasukuni, NAGASAWA Chikao, ABO Makoto, TSUKAMOTO Makoto, HONDA Takayuki

The Review of Laser Engineering, 39(8) 622-626, Aug, 2011 Peer-reviewed
Recent Progress on Lidar Development for CO2 Concentration Observations in The Atmosphere

NAGASAWA Chikao

The Review of Laser Engineering, 39(8) 585-589, Aug, 2011
Speed Enhancement Technique for Pulsed Laser Rangefinders Based on Lagrange's Theorem Using an Undersampling Method

Masahiro Ohishi, Fumio Ohtomo, Masaaki Yabe, Mitsuru Kanokogi, Takaaki Saito, Yasuaki Suzuki, Chikao Nagasawa

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E94A(8) 1738-1746, Aug, 2011 Peer-reviewed
Mesopause-region temperature and wind measurements with pseudorandom modulation continuous-wave (PMCW) lidar at 589 nm

Chiao-Yao She, Makoto Abo, Jia Yue, Bifford P. Williams, Chikao Nagasawa, Takuji Nakamura

APPLIED OPTICS, 50(18) 2916-2926, Jun, 2011 Peer-reviewed
Direct detection 1.6 mu m DIAL for measurements of CO2 concentration profiles in the troposphere

Chikao Nagasawa, Makoto Abo, Yasukuni Shibata, Tomohiro Nagai, Makoto Tsukamoto

LIDAR TECHNOLOGIES, TECHNIQUES, AND MEASUREMENTS FOR ATMOSPHERIC REMOTE SENSING VII, 8182, 2011 Peer-reviewed
High-resolution rangefinder with a pulsed laser developed by an undersampling method

Masahiro Ohishi, Fumio Ohtomo, Masaaki Yabe, Mitsuru Kanokogi, Takaaki Saito, Yasuaki Suzuki, Chikao Nagasawa

OPTICAL ENGINEERING, 49(6), Jun, 2010 Peer-reviewed
Low-Altitude Wind Measurement Using Incoherent Doppler Lidar by Utilizing Both Absorption Slopes of the Iodine Absorption Spectrum

Yasukuni Shibata, Chikao Nagasawa, Makoto Abo, Tomohiro Nagai

JAPANESE JOURNAL OF APPLIED PHYSICS, 48(12), Dec, 2009 Peer-reviewed
System Evaluation of an Incoherent Wind Doppler LIDAR Using an Iodine Filter

Yasukuni Shibata, Chikao Nagasawa, Makoto Abo, Tomohiro Nagai

JAPANESE JOURNAL OF APPLIED PHYSICS, 48(3), Mar, 2009 Peer-reviewed
Development of a 1.6 mu m differential absorption lidar with a quasi-phase-matching optical parametric oscillator and photon-counting detector for the vertical CO2 profile

Daisuke Sakaizawa, Chikao Nagasawa, Tomohiro Nagai, Makoto Abo, Yasukuni Shibata, Masahisa Nakazato, Tetsu Sakai

APPLIED OPTICS, 48(4) 748-757, Feb, 2009 Peer-reviewed

Misc.

地球惑星物理大気中CO₂観測用ライダー開発の進展

長澤親生

パリティ, 24(1) 62-64,1, Jan 1, 2009
大気中CO2観測用ライダー開発の進展 (2008年の成果の総まとめ特集:物理科学,この1年) -- (地球惑星物理)

長澤親生

パリティ, 24(1) 62-64,1, Jan, 2009
Multi-purpose lidar system for observations of equatorial atmosphere

Chikao Nagasawa, Makoto Abo, Yasukuni Shibata

Proceedings of SPIE - The International Society for Optical Engineering, 5653 130-137, 2005
Lasing characteristics of a CWTm,Ho : YLF double cavity microchip laser

C Nagasawa, D Sakaizawa, H Hara, K Mizutani

OPTICS COMMUNICATIONS, 234(1-6) 301-304, Apr, 2004
Development of Seed Lasers for 946nm Water Vapor DIAL

Proc. of 22nd ILRC, ESA SP-561, pp179-182, 2004
Lidar system for measurements of middle atmosphere over equator

Lidar Remote Sensing in Atmosphere and Earth Science, pp.471-472, 2002
Development of a two-dimensional bar-code detection system using multi laser diodes with time-sharing light emission operation

H Wakaumi, C Nagasawa

OPTICAL REVIEW, 8(2) 101-106, Mar, 2001
Incoherent Doppler Lidar Using Two Wavelengths for Wind Measurement

Lidar Remote Sensing for Industry and Environment Monitoring,Proceedings of SPIE, Vol.4153, pp.338-349, 2001
Characteristics of single longitudinal mode oscillation of the 2É m Tm,Ho:YLF microchip laser

Optics Communications, pp315-319,, 2001
Development of Airborne DIAL for Water Vapor Measurement

Lidar Remote Sensing for Industry and Environment Monitoring, Proceedings of SPIE, Vol.4153, pp.599-606, 2001
All-solid-state high-power conduction-cooled Nd : YLF rod laser

Y Hirano, T Yanagisawa, S Ueno, T Tajime, O Uchino, T Nagai, C Nagasawa

OPTICS LETTERS, 25(16) 1168-1170, Aug, 2000
Lidar Observations Of Na Density, Ca Ion Density, Temperature, and Wind in the Mesopause Region

SPIE's Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment and Space, 2000
Water Vapor DIAL using CW Diode Lidar

20th International Laser Radar Conference, 2000
Magnetic grooved bar-code recognition system with slant MR sensor

IEE. Proc. -Sci. Meas. Technol., 147(3) 131-136, 2000
Resonance Scattering Lidar

Meteorological Research Note, 194 137-145, 1999
Study on Doppler Lidar Technique for Wind Measurements Using an Atomic Vapor Edge

KOGAKU, 27(11) 655-660, 1998
Characteristics of a flashlamp pumped Ti : sapphire laser by injection seeding with an external cavity laser diode

T Kyomitsu, C Nagasawa, M Abo, Y Shibata

SOLID STATE LASERS VII, 3265 226-233, 1998
Studies on The MLT Region Using The MU Radar and Simultaneous Observations with OH Spectrometer and Other Optical Instruments

Advances Space Research, 19(4) 643-652, 1997
Simultaneous observations of mesospheric gravity waves with the MU radar and a sodium lider

NAMBOOTHIRI S. P.

Journal of Geophrysical Research, 101(D2) 4057-4063, 1996
LIDAR OBSERVATIONS OF A LOT OF SPORADIC SODIUM LAYERS IN MIDLATITUDE

C NAGASAWA, M ABO

GEOPHYSICAL RESEARCH LETTERS, 22(3) 263-266, Feb, 1995

Books and Other Publications

基礎からわかるリモートセンシング

(Role: Joint author)

理工図書, 2011
赤道大気の鼓動を聴く

(Role: Joint author)

クバプロ社, 2009
レーザーハンドブック

(Role: Joint author)

オーム社, 2005
光エレクトロニクス

オーム社, 2004
地球環境調査計測辞典

フジテクノシステム社, 2002
Advances in Laser Remote Sensing(共著)

ECOLE POLYTECHNIQUE, 2001
Lidar Observations of Mesospheric Ionic Calcium Layer with a Flashlamp Pumped Ti : Sapphire Laser

International Laser Sensing Symposium Abstracts of Papers, 1999
A Narrowband Dye Laser System with Injection-Seeding for a Mesospheric Na Temperature Lidar

International Laser Sensing Symposium Abstracts of Papers, 1999
Rotational Raman lidar using a New Blocking Filter System for Atmospheric Temperature Measurement

International Laser Sensing Symposium Abstracts of Papers, 1999
Incoherent Doppler bidan Controlling Actively the Laser Wavelength

International Laser Sensing Symposium, Abstracts of Papers, 1999
Simulation for atmospheric water vapor measurements from spaceborne DIAL

Lidar Techniques for Remote Sensing II, 1995
Diode-pumped solid state laser for spacelorne water vapor DIAL

Lidar Techniques for Remote Sensing II, 1995
地球大気圏観測衛星計画

(Role: Joint author)

宇宙科学研究所, 1993
ATMOSPHERE RESEARCH SATTELLITE PROJECT

Institute of Space and Science, 1993

Presentations

180

CO₂‐DIALによる境界層内CO₂濃度の昼夜連続観測結果に対するsourceとsinkの考察

阿保真, 柴田泰邦, 長澤親生

日本気象学会大会講演予稿集, Sep 30, 2018
3波長DIALによる境界層中のCO₂濃度とエアロゾルおよび気温鉛直分布の同時観測

柴田泰邦, 長澤親生, 阿保真

日本気象学会大会講演予稿集, Apr 30, 2018
Observations of Stratospheric Aerosol Layers Observed by CALIOP and Equatorial Lidar

阿保真, 柴田泰邦, 長澤親生

リモートセンシングシンポジウム講演論文集, Mar 9, 2018
Simultaneous measurements of CO2 concentration, temperature and aerosol profiles in the lower atmosphere using tree-wavelength DIAL

柴田泰邦, 長澤親生, 阿保真

リモートセンシングシンポジウム講演論文集, Mar 9, 2018
3波長差分吸収ライダーによるCO₂濃度と気温分布の同時観測

柴田泰邦, 長澤親生, 阿保真

応用物理学会春季学術講演会講演予稿集(CD-ROM), Mar 5, 2018
3波長DIALによる境界層中のCO₂濃度と気温プロファイルの同時観測

長澤親生, 柴田泰邦, 阿保真

日本気象学会大会講演予稿集, Sep 30, 2017
フラッシュライダーによる気温・風の空間分布測定に関する研究

増山光治, 柴田泰邦, 阿保真, 長澤親生

リモートセンシングシンポジウム講演論文集, Mar 8, 2017
局地的大雨予測のための小型水蒸気ライダーの開発:ラマン方式と差分吸収方式の比較

酒井哲, 阿保真, 永井智広, 泉敏治, 瀬古弘, 川畑拓矢, 内野修, 柴田泰邦, 長澤親生

リモートセンシングシンポジウム講演論文集, Mar 8, 2017
1.6μm DIALによるCO₂濃度と気温同時測定の実験的検証

柴田泰邦, 長澤親生, 阿保真

応用物理学会春季学術講演会講演予稿集(CD-ROM), Mar 1, 2017
赤道ライダーとEARにより観測されたケルート火山起源成層圏エアロゾルの輸送と鉛直風の関係

阿保真, 柴田泰邦, 長澤親生

地球電磁気・地球惑星圏学会総会及び講演会(Web), 2017
局地的大雨予測のための可搬性に優れた次世代型水蒸気ライダーの開発(2)

酒井哲, 阿保真, LE HOAI Phong Pham, 菊田達也, 永井智広, 内野修, 泉敏治, 柴田泰邦, 長澤親生, 瀬古弘, 川畑拓也

日本気象学会大会講演予稿集, Sep 30, 2016
下層大気中のCO₂濃度と気温鉛直分布のライダー同時観測

柴田泰邦, 長澤親生, 阿保真

日本気象学会大会講演予稿集, Sep 30, 2016
1.6μm DIALによる下層大気中のCO₂濃度と気温の鉛直分布同時測定

柴田泰邦, 長澤親生, 阿保真

応用物理学会秋季学術講演会講演予稿集(CD-ROM), Sep 1, 2016
大気境界層内CO₂濃度高度分布のライダー連続観測

柴田泰邦, 長澤親生, 阿保真

日本気象学会大会講演予稿集, Apr 30, 2016
CO₂分布計測用ライダーのための1.6μm OPA光源の性能評価

柴田泰邦, 長澤親生, 阿保真

応用物理学会春季学術講演会講演予稿集(CD-ROM), Mar 3, 2016
共鳴散乱ライダーにより観測された中国と日本の中緯度スポラディックNa層の特性比較

阿保真, 酒井大士, 長澤親生, 柴田泰邦

地球電磁気・地球惑星圏学会総会及び講演会(Web), 2016
ライダーによる大気境界層内のCO₂濃度高度分布の連続観測

阿保真, 柴田泰邦, 長澤親生

日本気象学会大会講演予稿集, Sep 30, 2015
局地的大雨予測のための可搬性に優れた次世代型水蒸気ライダーの開発

酒井哲, 阿保真, LE HOAI Phong Pham, 永井智広, 内野修, 泉敏治, 柴田泰邦, 長澤親生, 瀬古弘, 川畑拓矢

日本気象学会大会講演予稿集, Sep 30, 2015
赤道域対流圏界面領域のDIALによるオゾン鉛直分布測定(2)

長澤親生, 柴田泰邦, 阿保真

日本気象学会大会講演予稿集, Sep 30, 2015
小型1.6μm DIALによる下層CO₂濃度の鉛直分布計測

柴田泰邦, 長澤親生, 阿保真

応用物理学会秋季学術講演会講演予稿集(CD-ROM), Aug 31, 2015

Professional Memberships

Works

コヒーレントドップラーライダーの受信効率に関する研究

2004 - 2005
衛星ライダーによるデータ利用実証に関する研究

1999 - 2001
Studies on utilization technique of spaceborne lidar data

1999 - 2001
ライダーによる気象要素の測定手法の開発と観測

1998 - 2000
Development of the lidar method to measure meteorological parameters

1998 - 2000

Profile Information

Research Interests

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Misc.

Books and Other Publications

Presentations

Professional Memberships

Works

Research Projects

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