IWAI Katsumasa

J-GLOBAL         Last updated: Jul 25, 2018 at 19:21
 
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Name
IWAI Katsumasa
Affiliation
Sendai National College of Technology
Section
Department of General Engineering
Job title
Research Associate
Degree
Ph. D(Tohoku University), Doctor(Engineering)(Tohoku University), Master(Engineering)(Tohoku University)

Research Areas

 
 

Academic & Professional Experience

 
2003
 - 
2004
Research Associate, Graduate School of Engineering, Tohoku University2004-2007 Research Associate, Sendai National College of Thechnology2007- Research Associate, Sendai National College of Thechnology
 

Education

 
 
 - 
1998
Electrical engineering, Faculty of Engineering, Nihon University
 

Awards & Honors

 
2004
The 5th Research encouragement prize of Miyagi fund For Industry and science promotion
 
2007
The 6th Intelligent-cosmos encouragement prize
 
2007
Research encouragement prize of Tokin Science Technology Development
 
2008
Research encouragement prize of M.Ishida Foundation
 

Published Papers

 
Fabrication of shatter-proof metal hollow-core optical fibers for endoscopic mid-infrared laser applications
IWAI Katsumasa
Fibers   6(24) 1-8   Apr 2018   [Refereed]
Transmission properties of dielectric-coated hollow optical fibers based on stainless tube
IWAI Katsumasa
Proc. SPIE   10488 1-8   Jan 2018   [Refereed]
Sensitivity improvement of optical fiber acoustic probe for all-optical photoacoustic imaging system
IWAI Katsumasa
Applied Physics Express   10 072503-1-072503-4   Jun 2017   [Refereed]
Improvement of transmission properties of visible pilot beam for polymer-coated silver hollow fibers with acrylic silicone resin as buffer layer for sturdy structure
IWAI Katsumasa
Proc. RIEC and IEEJ International Workshop on Biomedical Optics 2017   OQD-17-13 47-50   Mar 2017   [Refereed]
Improvement of transmission properties of visible pilot beam for polymer-coated silver hollow fibers with acrylic silicone resin as buffer layer for sturdy structure
IWAI Katsumasa
Proc. SPIE   10058 1-8   Jan 2017   [Refereed]

Misc

 
K. Iwai, Y. W. Shi, K. Nito, Y. Matsuura, T. Kasai, M. Miyagi, S. Saito, Y. Arai, N. Ioritani, Y. Okagami, M. Nemec, J. Sulc, H. Jelinkova, M. Zavoral, O. Kohler, and P. Drlik
APPLIED OPTICS   42(13) 2431-2435   2003
K. Iwai, Y. W. Shi, M. Endo, K. Ito, Y. Matsuura, M. Miyagi, and H. Jelinkova
Applied optics   43(12) 2568-2571   2004
K. Iwai, Y. W. Shi, K. Nito, Y. Matsuura, T. Kasai, M. Miyagi, S. Saito, Y. Arai, N. Ioritani, Y. Okagami, M. Nemec, J. Sulc, H. Jelinkova, M. Zavoral, Oto Kohler, and P. Drlik
Proc. SPIE   62-69   2003
K. Iwai, M. endo, K. Ito, Y. W. Shi, Y. Matsuura, M. Miyagi, and H. Jelinkova
Proc. SPIE   172-179   2004
K. Iwai, Y. W. Shi, Y. Matsuura, and M. Miyagi
Proc. SPIE   115-119   2002

Books etc

 
Research on design and analysis of tapered optical coupler
A master's thesis of tohoku university   2000   
Research on ErYAG laser light transmission system and the medical treatment application
A doctoral dissertration of tohoku university   2003   

Conference Activities & Talks

 
Transmission properties of dielectric-coated hollow optical fibers based on stainless tube
IWAI Katsumasa
Photonics West 2018   27 Jan 2018   
Improvement of transmission properties of visible pilot beam for polymer-coated silver hollow fibers with acrylic silicone resin as buffer layer for sturdy structure
IWAI Katsumasa
RIEC and IEEJ International Workshop on Biomedical Optics 2017   6 Mar 2017   
Improvement of transmission properties of visible pilot beam for polymer-coated silver hollow fibers with acrylic silicone resin as buffer layer for sturdy structure
IWAI Katsumasa
Photonics West 2017   29 Jan 2017   
Improvement of Mechanical Strength of Polymer-Coated, Hollow-Optical Fiber for FT-IR Remote Spectroscopy
IWAI Katsumasa
The 6th Asia Pasific Optical Sensors Conference   13 Oct 2016   
Silver hollow optical fibers with acrylic silicone resin coating as buffer layer for sturdy structure
IWAI Katsumasa
Photonics West 2016   14 Feb 2016   

Works

 
grant JSPS No. 19760240
2007 - 2008
grant JSPS No. 17760285
2005 - 2006
Health and Labour Science Research Grants H20-nano-young-010
2008

Research Grants & Projects

 
Er:YAG Laser Delivery System and Its Use in Medical Applications
Project Year: 1998   
Er:YAG laser lithotripsy by use of a hollow fiber
Project Year: 2002 - 2007
Simultaneous delivery of Dual infrared lasers by using a high performance inorganic coated hollow optical fibers
Grant-in-Aid for Scientific Research
Project Year: 2007 - 2008
A coating material characterized by wide-range thermal stability, water repellence, and physiological inertness is newly employed as a dielectric layer in the dielectric-coated silver hollow optical fiber. A smooth hardened film is formed at room-...
Fabrication of thin hollow fiber for Endoscope
Health and Labour Sciences Research Grants
Project Year: 2008 - 2008
Extremely flexible hollow fibers with 100 μm-bore size were developed for infrared laser delivery. The hollow fiber was inner coated with silver and dielectric layer to enhance the reflection rate at an objective wavelength band. The silver layer ...
Long-length inorganic material-coated hollow fibers for simultaneous delivery of infrared lasers
The Other Research Programs
Project Year: 2007 - 2007
Liquid-phase coating method was used to coat an inorganic material layer. The fiber is 2 m long with 0.7 mm inner diameter.

Patents

 
Rugged hollow fiber
P2003-114344A
medical laser system
2007-003101