2008 |
3 | EE | Mutsumi Imahama,
Yahei Koyamada,
Kazuo Hogari:
Restorability of Rayleigh Backscatter Traces Measured by Coherent OTDR with Precisely Frequency-Controlled Light Source.
IEICE Transactions 91-B(4): 1243-1246 (2008) |
2007 |
2 | EE | Yahei Koyamada:
Proposal and Simulation of Double-Pulse Brillouin Optical Time-Domain Analysis for Measuring Distributed Strain and Temperature with cm Spatial Resolution in km-Long Fiber.
IEICE Transactions 90-B(7): 1810-1815 (2007) |
2006 |
1 | EE | Yahei Koyamada,
Yousuke Eda,
Souichi Hirose,
Shinki Nakamura,
Kazuo Hogari:
Novel Fiber-Optic Distributed Strain and Temperature Sensor with Very High Resolution.
IEICE Transactions 89-B(5): 1722-1725 (2006) |