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