NDLI: Laser spectroscopic techniques for diagnosis of reactive plasmas

Content Provider	IEEE Xplore Digital Library
Author	Chunlei Feng Cong Li Hongbin Ding
Copyright Year	2012
Description	Author affiliation: School of Physics and Optical Electronic Technology, Key Laboratory of Materials Modification by Laser, Ion and Electron Beams, Chinese Ministry of Education, Dalian University of Technology, 116023, China (Chunlei Feng; Cong Li; Hongbin Ding)
Abstract	Summary form only given. Laser Induced Fluoresces (LIF) and laser cavity ring-down spectroscopy (CRDS) have been recently developed in our group for diagnosis of the active species (atoms, ions or radicals) in reactive plasmas. In the first experimental approach, time-resolved LIF technique was used to investigate the temporal evolutions of the number density of metastable state N (A) in the nanosecond pulsed post discharge in a complicated HCO / N /O mixture. The N (A, v=0) state was pumped to to N (B, v=4) with a dye laser irradiation at 618 nm, and the subsequent fluorescence emission from N (B, v=4) to N (A, v=1) has been measured. The results indicated that the triplet meta stable state of N (A) has played an important role in the removal mechanism of formaldehyde in the plasma. In the second experimental arrangement, CRDS has been applied to investigate the generation and destruction of NO both in the air DBD discharge and nanosecond pulsed discharge plasmas. The observed oscillation of NO number density during the post discharge will be presented and the results will be discussed in the conference.
File Size	80667
File Format	PDF
ISBN	9781457721274
ISSN	07309244
e-ISBN	9781457721298
e-ISBN	9781457721281
DOI	10.1109/PLASMA.2012.6383928
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-08
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Atom lasers Laser beams Laser theory Plasmas Discharges (electric) Ring lasers Educational institutions
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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