Yv. Petrov et al., Testing of intracavity multipass probing systems for diagnostics of a tokamak plasma by laser photoionization, TECH PHYS L, 25(2), 1999, pp. 108-110
Efficient laser systems for plasma probing have been developed using stable
cavity configurations with low diffraction losses to improve the sensitivi
ty of photoionization diagnostics. These probing systems were tested in dem
onstration experiments using the FT-1 tokamak. The results indicate that re
liable measurements of the neutral hydrogen density may be made in the rang
e 10(8)-10(9) cm(3) in a tokamak plasma. (C) 1999 American Institute of Phy
sics. [S1063-7850(99)01102-7].