Improved mass-spectrometric technique for gas lasers

Yuzhi Wang; Junjian Li; Zonglin Huang

doi:10.1117/12.271561

4 April 1997 Improved mass-spectrometric technique for gas lasers

Yuzhi Wang, Junjian Li, Zonglin Huang

Proceedings Volume 2987, Gas and Chemical Lasers and Applications II; (1997) https://doi.org/10.1117/12.271561
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

To overcome the difficulty that the operating pressure range of usual mass-spectrometers does not meet the pressure ranges of gas lasers, the authors have improved the M.S technique by the following four procedures: (1) Making an ultramini-flow valve which can sample the laser mixture and take mass-spectrum only by a little amount of gases; (2) Creating a high pressure ultramini-flow valve possessing pressure-linearity up to 1000 times 133 Pa, especially suitable to M S analysis of TEA carbon-dioxide lasers; (3) Investigating the time-delay and giving an evaluate method to correct them; (4) Proposing a method, the sample gas bottle method, to overcome the sensitivity-fluctuation of the M S tube through comparison.

Citation Download Citation

Yuzhi Wang, Junjian Li, and Zonglin Huang "Improved mass-spectrometric technique for gas lasers", Proc. SPIE 2987, Gas and Chemical Lasers and Applications II, (4 April 1997); https://doi.org/10.1117/12.271561

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