Experimental study of a single-mode quasi-optical gyrotron

1984 ◽  
Vol 57 (6) ◽  
pp. 977-984 ◽  
Author(s):  
T. A. HARGREAVES ◽  
K. J. KIM ◽  
J. H. McADOO ◽  
S. Y. PARK ◽  
R. D. SEELEY ◽  
...  
2018 ◽  
Vol 2018 ◽  
pp. 1-4
Author(s):  
Adel Abdallah

An experiment is proposed to show the feasibility of using hollow-core photonic bandgap fibers (HC-PBF) in the fiber-optic interferometric stethoscopes to generally improve the sensitivity and overcome the problems associated with the electronic stethoscopes. In the experiment, the HC-1550 is used as a measuring arm of an unbalanced Mach-Zehnder interferometer (MZI) and the conventional single-mode optical fiber (SMF) is used as an isolated reference arm. Detection and demodulation of the relative phase shift is performed passively using phase-generated carrier homodyne technique (PGC). The proposed results indicate the significance of using HC-PBFs in the future stethoscopes.


2014 ◽  
Vol 31 (8) ◽  
pp. 1885 ◽  
Author(s):  
Ye Yu Zhu ◽  
Wei Li Zhang ◽  
Yun Jiang Rao ◽  
Shi Wei Li ◽  
Yi Li ◽  
...  

2016 ◽  
Vol 53 (7) ◽  
pp. 070602
Author(s):  
余宇 Yu Yu ◽  
黄值河 Huang Zhihe ◽  
曹涧秋 Cao Jianqiu ◽  
潘志勇 Pan Zhiyong ◽  
郭少锋 Guo Shaofeng ◽  
...  

2016 ◽  
Vol 24 (12) ◽  
pp. 12969 ◽  
Author(s):  
Fei Yu ◽  
Mengrong Xu ◽  
Jonathan C. Knight

2000 ◽  
Vol 174 (5-6) ◽  
pp. 419-425 ◽  
Author(s):  
P Leproux ◽  
P Roy ◽  
D Pagnoux ◽  
B Kerrinckx ◽  
J Marcou

2011 ◽  
Vol 340 ◽  
pp. 136-142
Author(s):  
You Long Gao ◽  
Guang Li Xu ◽  
Jun Yi Zhang ◽  
Qi Lang Le

Because of the temperature effect of the distributed strain observation, it is not easy to analyze the real strain in tested data. Experiments of fibers under different temperatures and force conditions are carried out. The bare fiber, Φ 0.9 SM and Φ 2.0 SM single-mode sleeve fibers are chosen in the experiment scheme. It was found that the temperature effect of the distributed strain is independent with the force condition. The additional strain of fibers under the stress and different temperatures are discussed. For practices using, temperature correction equations on single-mode sleeve fiber are proposed to reduce the temperature effect.


1981 ◽  
Vol 17 (12) ◽  
pp. 416 ◽  
Author(s):  
A.T. Andreev ◽  
A.B. Grudinin ◽  
E.M. Dianov ◽  
A.M. Prokhorov ◽  
A.N. Guryanov ◽  
...  

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