CO2 laser interferometer for electron density measurement in JT‐60U tokamak

1992 ◽  
Vol 63 (10) ◽  
pp. 4971-4973 ◽  
Author(s):  
Yasunori Kawano ◽  
Akira Nagashima ◽  
Shinichi Ishida ◽  
Takeshi Fukuda ◽  
Tohru Matoba
1968 ◽  
Vol 21 (3) ◽  
pp. 150-153
Author(s):  
Kenro Miyamoto ◽  
Shozo Kon ◽  
Junya Yamamoto ◽  
Shigeyuki Morimoto ◽  
Hiroshi Yoshinaga

1976 ◽  
Vol 15 (9) ◽  
pp. 1753-1760
Author(s):  
Akimitsu Nishizawa ◽  
Masaru Masuzaki ◽  
Akihiro Mohri

1997 ◽  
Vol 51 (3) ◽  
pp. 396-400 ◽  
Author(s):  
Z. Mijatović ◽  
R. Kobilarov ◽  
S. Djurović ◽  
M. Stevanov

Four parameters of the He(I) 447.1-nm line with a forbidden component were measured. A pulsed arc was used as a plasma source. Electron density in the range (1.9–5.9) 1021 m−3 was measured with a CO2 laser interferometer. On the basis of the comparisons of the obtained results with several theories and empirical formulae for plasma density determination, it is shown that this line could be used for simple but precise electron density measurement, with an error < 10%.


1981 ◽  
Vol 45 (5) ◽  
pp. 479-498
Author(s):  
A. Nishizawa ◽  
N. Noda ◽  
J. Fujita ◽  
M. Yamanaka ◽  
Y. Takeda ◽  
...  

1968 ◽  
Vol 21 (2) ◽  
pp. 73-78
Author(s):  
Syoichi Miyoshi ◽  
Shinji Shiobara ◽  
Hideo Fujimoto ◽  
Kosuke Okamoto ◽  
Tadao Shimizu ◽  
...  

2001 ◽  
Vol 72 (1) ◽  
pp. 1068-1072 ◽  
Author(s):  
Yasunori Kawano ◽  
Shin-ichi Chiba ◽  
Akira Inoue

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