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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2023-01-19 16:25 |
Kyoto | Campas Plaza Kyoto (Primary: On-site, Secondary: Online) |
Study on temperature sensitivity improvement for packaged long long-period fiber gratings Kanno Tsukasa, Yoshida Suguru, Ikeda Kanami, Koyama Osanori, Yamada Makoto (Osaka Metropolitan Univ.)  OFT2022-46 |
We investigated the improvement of temperature sensitivity for long-period fiber grating (LPFG) sensors packaged in glas... [more] | OFT2022-46 pp.17-20 |
| OFT | 2020-10-08 09:10 |
Online | Online | [Poster Presentation]
Fabrication and elastic strain characteristics of cascaded long period fiber gratings Manuel Guterres Soares*, Koken Fukushima, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-11 |
We have proposed temperature and strain sensors based on cascaded chirped long period fiber gratings (C-CLPGs), which ar... [more] | OFT2020-11 pp.8-12 |
| OFT | 2015-10-23 10:00 |
Mie | Mie Univ. | All-Fiber Single-Channel Bandpass Filters Formed by a High Attenuation Fiber Placed between Long-Period Fiber Gratings Fatemeh Abrishamian, Katsumi Morishita (Osaka Eectro-Comm. Univ.) OFT2015-35 |
We proposed and demonstrated all-fiber single-channel bandpass filters that employed a high attenuation metal-doped fibe... [more] | OFT2015-35 pp.43-48 |
| OFT, OCS (Joint) |
2015-08-28 09:25 |
Hokkaido | Fabrication of cascaded chirp long period fiber gratings and their application to simultaneous measurements of strain and temperature Thanh Tung Ngo, Satoshi Tanaka, Atsushi Wada, Nobuaki Takahashi (NDA) OFT2015-20 |
In this paper we have fabricated several kinds of cascaded chirp long period fiber gratings (C-CLPGs) and have investiga... [more] | OFT2015-20 pp.23-28 |
|
| ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2014-11-13 14:50 |
Hiroshima | Multiplexing operation of cascaded long period fiber grating strain sensors Osamu Tsukida, Satoshi Tanaka, Ngo Thanh Tung, Ryoutarou Uchimura, Atsushi Wada, Nobuaki Takahashi (NDA) OFT2014-38 |
Multipoint strain measurement using cascaded long period fiber gratings (LPGs) is realized by applying Fourier transform... [more] | OFT2014-38 pp.5-10 |
|
| OFT | 2014-10-23 13:00 |
Hyogo | Widening the Rejection Bands of Long-Period Fiber Gratings by Cascade Connection of a π-Phase Shift Fatemeh Abrishamian, Katsumi Morishita (Osaka Eectro-Comm. Univ.) OFT2014-23 |
A novel method was developed to expand and adjust the bandwidth of long-period fiber gratings (LPFGs) as band-rejection ... [more] | OFT2014-23 pp.1-6 |
|
| OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2013-11-21 14:50 |
Niigata | Nagaoka University of Technology | Sensitivity enhancement of intensity based LPG vibration sensor
-- Fabrication of cascaded LPG and its application to vibration measurement -- Makoto Takeuchi, Satoshi Tanaka, Osamu Tsukida, Shingo Tekuramori, Ryoutarou Uchimura, Atsushi Wada, Nobuaki Takahashi (NDA) OFT2013-38 |
We have proposed several types of intensity-based fiber-optic mechanical-vibration sensors using fiber grating devices a... [more] | OFT2013-38 pp.7-12 |
| OFT, OCS (Joint) |
2013-08-22 17:05 |
Hokkaido | Resonance Wavelength Fluctuations Caused by Different Discharge Conditions in Long-Period Fiber Gratings Fabricated by a Point-by-Point Arc Discharge Technique Katsumi Morishita, Yuya Yamamoto (Osaka Electro-Comm. Univ.) OFT2013-15 |
Resonance wavelength fluctuations in long-period fiber gratings (LPFGs) cause a major issue for the design and productio... [more] | OFT2013-15 pp.11-16 |
|
| OFT, OPE, OCS (Joint) [detail] |
2013-03-01 09:50 |
Tokyo | Optical gas sensing based on leaky-guided structure change of cladding mode in single mode fiber by swelling polymer Yuichi Futatsugi, Masanori Hanawa (Univ. of Yamanashi) OFT2012-80 OPE2012-198 |
In this technical report, an optical gas sensor, based on structural conversion between leaky and guided modes in single... [more] | OFT2012-80 OPE2012-198 pp.59-63 |
|
| OCS, OFT (Joint) |
2012-08-31 13:10 |
Hokkaido | Refractive Index Profile Changes Caused by Arc Discharge in Arc-Induced Long-Period Fiber Gratings Fatemeh Abrishamian (Osaka Electro-Comm. Univ.), Nicoleta Dragomir (Victoria Univ.), Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2012-25 |
Long-period fiber gratings were inscribed in a commercial silica fiber by a point-by-point arc discharge technique with ... [more] | OFT2012-25 pp.33-38 |
|
| OPE, OFT | 2012-03-02 15:50 |
Tokyo | Inscription of refractive index modulated gratings in tellurite fibers Hirohisa Yokota, Kyosuke Mano, Motoaki Kobayashi, Yoh Imai, Yutaka Sasaki (Ibaraki Univ.) OFT2011-83 OPE2011-209 |
We attempted to inscribe refractive index modulated gratings in tellurite fibers to suppress the power of control light ... [more] | OFT2011-83 OPE2011-209 pp.53-56 |
|
| OFT | 2012-01-19 17:20 |
Kagawa | A Transfer-Matrix Method for Analyzing Non-uniform Co-directional Fiber Grating Couplers and Comparison between Measured and Calculated Transmission Spectra Fatemeh Abrishamian, Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2011-63 |
A simple and efficient transfer-matrix method based on a discrete coupling model is presented to analyze uniform and non... [more] | OFT2011-63 pp.37-42 |
|
| OFT | 2011-01-27 15:20 |
Nagasaki | Resonance Wavelength Shifts and Refractive Index Profile Changes Caused by Heating the Long-Period Fiber Grating Fatemeh Abrishamian, Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2010-52 |
A silica fiber and long-period gratings written in it were heated to clarify the effect of the glass structure and the r... [more] | OFT2010-52 pp.27-30 |
|
| OFT | 2009-10-30 14:05 |
Oita | Expanding Blue Shift on Post-Fabrication Resonance Wavelength Adjustment of Long-Period Fiber Gratings by Heating Fatemeh Abrishamian, Katsumi Morishita (Osaka Electro-Comm. Univ.) OFT2009-51 |
The adjustable range of resonance wavelengths of long-period fiber gratings was broadened toward the blue wavelength sid... [more] | OFT2009-51 pp.83-88 |
|
| OCS, OFT (Joint) |
2008-08-29 09:50 |
Hokkaido | Variable optical attenuator using long period fiber grating with high coupling coefficients Rikiya Yamamoto, Hisami Nishi (Osaka Inst.) OFT2008-26 |
Long period fiber grating (LPFG) is worked as a variable optical attenuator (VOA) that the transmission loss at the reso... [more] | OFT2008-26 pp.49-54 |
|
| OFT | 2008-05-15 15:25 |
Osaka | Influence of Heating Temperature on Adjusting Resonance Wavelengths of Long-Period Fiber Gratings by Heating Katsumi Morishita, Eijun Hirao (Osaka Electro-Communication Univ) OFT2008-5 |
It was shown that resonance wavelengths of long-period gratings written in silica fibers by the glass structure change w... [more] | OFT2008-5 pp.19-24 |
|
| OPE | 2007-12-14 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Formation of long-period fiber gratings using a mercury lamp Toru Mizunami, Yoshihito Ishida (Kyushu Tech.) |
A simple method was proposed to produce long-period gratings using a low-pressure mercury lamp emitting a 254 nm spectra... [more] | OPE2007-137 pp.11-14 |
| OFT | 2006-05-12 11:50 |
Fukuoka | KYUSHU UNIVERSITY | Residual Stress Effects on Adjusting Optical Properties of Long-Period Fiber Gratings by Heating Katsumi Morishita, Akihiro Kaino (Osaka Electro-Comm. Univ.) OFT2006-15 |
Long-period gratings are written in the fibers un-relaxed and relaxed the residual stress. The residual stress effects ... [more] | OFT2006-15 pp.67-72 |
| OCS, OFT | 2004-08-27 09:15 |
Hokkaido | Muroran Institute of Technology | Resonance Wavelength Adjustment of Long-Period Fiber Gratings by the Glass Structure Change Induced by Heating Katsumi Morishita, Akihiro Kaino (Osaka Electro-Comm. Univ.) |
Long-period fiber gratings written by arc discharge are heated at different temperatures, and the post-heating changes o... [more] | OCS2004-69 OFT2004-32 pp.7-12 |
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