渡部謙一 (Kenichi Watabe) - マイポータル

基本情報

所属: 国立研究開発法人産業技術総合研究所物理計測標準研究部門電磁気計測研究グループ

J-GLOBAL ID: 200901017207062896
researchmap会員ID: 5000086756

外部リンク: http://www.aist.go.jp/RESEARCHERDB/cgi-bin/worker_detail.cgi?call=namae&rw_id=K16861042

論文

A Precise Frequency Comparison System Using an Optical Carrier

Masato Wada, Ken-Ichi Watabe, Sho Okubo, Tomonari Suzuyama, Feng-Lei Hong, Masaki Amemiya

ELECTRONICS AND COMMUNICATIONS IN JAPAN 98(11) 19-27 2015年11月査読有り
Preliminary Evaluation of the Cesium Fountain Primary Frequency Standard NMIJ-F2

Akifumi Takamizawa, Shinya Yanagimachi, Takehiko Tanabe, Ken Hagimoto, Iku Hirano, Ken-ichi Watabe, Takeshi Ikegami, John G. Hartnett

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 64(9) 2504-2512 2015年9月査読有り
Atomic Fountain Clock With Very High Frequency Stability Employing a Pulse-Tube-Cryocooled Sapphire Oscillator

Akifumi Takamizawa, Shinya Yanagimachi, Takehiko Tanabe, Ken Hagimoto, Iku Hirano, Ken-ichi Watabe, Takeshi Ikegami, John G. Hartnett

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 61(9) 1463-1469 2014年9月査読有り
Uncertainty Evaluation of-100-dBc/Hz Flat Phase Noise Standard at 10 MHz

Shinya Yanagimachi, Ken-ichi Watabe, Takeshi Ikegami, Hitoshi Iida, Yozo Shimada

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 62(6) 1545-1549 2013年6月査読有り
Optical timing distribution system with femtosecond stability

Masaki Amemiya, Ken-ichi Watabe, Tomonari Suzuyama, Takashi Naito, Hidemi Tsuchida

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 7 S187-S189 2012年12月査読有り
Signal with Flat Phase Noise Using a Carrier and the Power Spectral Density of White Noise for Phase Noise Standards

Ken-ichi Watabe, Shinya Yanagimachi, Takeshi Ikegami, Hitoshi Iida, Yozo Shimada

JAPANESE JOURNAL OF APPLIED PHYSICS 51(1) 2 2012年1月査読有り
High-contrast dark resonances with linearly polarized light on the D-1 line of alkali atoms with large nuclear spin

Ken-ichi Watabe, Takeshi Ikegami, Akifumi Takamizawa, Shinya Yanagimachi, Shin-ichi Ohshima, Svenja Knappe

APPLIED OPTICS 48(6) 1098-1103 2009年2月査読有り
Cryogenic-sapphire-oscillator-based reference signal at 1 GHz with 10(-15) level instability

Ken-ichi Watabe, Shinya Yanagimachi, Akifumi Takamizawa, Takeshi Ikegami, Shin-ichi Ohshima, Giorgio Santarelli, Clayton R. Locke, John G. Hartnett

JAPANESE JOURNAL OF APPLIED PHYSICS 47(9) 7390-7392 2008年9月査読有り
Optical frequency synthesis from a cryogenic sapphire oscillator using a fiber-based frequency comb

Ken-ichi Watabe, Hajime Inaba, Kenichirc Okumura, Feng-Lei Hong, John G. Hartnett, Clayton R. Locke, Giorgio Santarelli, Shinya Yanagimachi, Kaoru Minoshima, Takeshi Ikegami …

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 56(2) 632-636 2007年4月査読有り
Short term frequency stability tests of two cryogenic sapphire oscillators

Ken-ichi Watabe, John G. Hartnett, Clayton R. Locke, Giorgio Santarelli, Shinya Yanagimachi, Takeshi Shimazaki, Takeshi Ikegami, Shin-ichi Ohshima

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 45(12) 9234-9237 2006年12月査読有り

MISC

Reference signal synthesized from a cryogenic sapphire oscillator improved by power control servo

K Watabe, JG Hartnett, CR Locke, G Santarelli, S Yanagimachi, T Shimazaki, T Ikegami, S Ohshima

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 45(4A) 2827-2829 2006年4月
Microwave local oscillator for a cesium frequency standard synthesized from a cryogenic sapphire oscillator

K Watabe, JG Hartnett, G Santarelli, S Yanagimachi, T Ikegami, S Ohshima

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 44(5A) 3283-3286 2005年5月
Cryogenic Whispering Gallery sapphire oscillator for microwave frequency standard applications

K Watabe, Y Koga, S Oshima, T Ikegami, JG Hartnett

IEICE TRANSACTIONS ON ELECTRONICS E87C(9) 1640-1642 2004年9月
Tunable double-sapphire-loaded microwave cavity with high-Q factor

K Watabe, S Ohshima, T Ikegami, JG Hartnett

IEICE TRANSACTIONS ON ELECTRONICS E86C(7) 1393-1395 2003年7月
Millimeter-wave active imaging using neural networks for signal processing

K Watabe, K Shimizu, M Yoneyama, K Mizuno

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 51(5) 1512-1516 2003年5月
Characteristics of optical propagation through rain for infrared space communications

K Watabe, M Akiba, N Hiromoto, T Hayashi, K Wakamori, Y Takabe, Y Chigai, S Ito

IEICE TRANSACTIONS ON COMMUNICATIONS E86B(2) 862-864 2003年2月
Millimeter-wave two-dimensional imaging optical system for interferometer of the GAMMA 10 tandem mirror

K Watabe, N Oyama, A Mase, K Mizuno

REVIEW OF SCIENTIFIC INSTRUMENTS 73(6) 2282-2286 2002年6月