Position detection using differential signals of the coupling light in a tapered-lensed dual-beam optical fiber trap

2019 ◽  
Vol 12 (6) ◽  
pp. 062006
Author(s):  
Wei Xiong ◽  
Guangzong Xiao ◽  
Ying Zhang ◽  
Xiang Han ◽  
Xinlin Chen ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Position Detection ◽  
Dual Beam

Automated visual position detection and adjustment for optical waveguide chips and optical fiber arrays

2015 ◽  
Vol 22 (10) ◽  
pp. 3868-3875 ◽  
Author(s):  
Yu Zheng ◽  
Xiao-chao Kai ◽  
Ji-an Duan ◽  
Bai-bing Li
Keyword(s):  
Optical Fiber ◽  
Optical Waveguide ◽  
Fiber Arrays ◽  
Position Detection

scholarly journals Feasibility Study of the One-Dimensional Radiation Distribution Sensing Method Using an Optical Fiber Sensor Based on Wavelength Spectrum Unfolding

2020 ◽  
Author(s):  
Yuta Terasaka ◽  
Kenichi Watanabe ◽  
Akira Uritani ◽  
Atsushi Yamazaki ◽  
Yuki Sato ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Dose Rate ◽  
Optical Fiber Sensor ◽  
High Dose Rate ◽  
Fiber Sensor ◽  
High Dose ◽  
One Dimensional ◽  
Position Detection ◽  
Spectrum Unfolding ◽  
Radiation Distribution

Abstract We propose a novel one-dimensional radiation distribution sensing method using an optical fiber sensor based on wavelength spectrum unfolding for the application in the measurement of the high dose rate hot spots inside the Fukushima Daiichi Nuclear Power Station (FDNPS) buildings. The proposed method estimates the incident position of radiation to the fiber by the unfolding of wavelength spectrum output from the fiber edge on the premise that the attenuation length of light along the fiber depends on a wavelength. Because this method measures integrated light intensity, it can avoid the problem of counting loss and signal pile-up, which occurs in a radiation detector with the pulse counting mode under the high dose rate field. Basic properties of source position detection were confirmed through basic experiments using an ultraviolet light source and 90Sr/90Y radioactive point source.

A new metrology method for optical fiber position detection

2020 ◽  
Author(s):  
Mengtao Li ◽  
Jiale Zuo ◽  
Shipeng Duan ◽  
Zhigang Liu ◽  
Hongzhuan Hu ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Position Detection ◽  
Fiber Position

Dual-beam optical fiber thermal lens spectroscopy

1991 ◽  
Vol 63 (18) ◽  
pp. 1927-1932 ◽  
Author(s):  
Dorys. Rojas ◽  
Robert J. Silva ◽  
Jonathan D. Spear ◽  
Richard E. Russo
Keyword(s):  
Optical Fiber ◽  
Thermal Lens ◽  
Thermal Lens Spectroscopy ◽  
Dual Beam

Bending loss formulas for step-index optical fiber and their applicable regions

1981 ◽  
Vol 64 (10) ◽  
pp. 95-103
Author(s):  
Kiyonobu Kusano ◽  
Shigeo Nishida
Keyword(s):  
Optical Fiber ◽  
Step Index ◽  
Bending Loss
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