Laser induced fluorescence in a pulsed argon plasma

Earl Scime; Costel Biloiu; Christopher Compton; Forrest Doss; Daniel Venture; John Heard; Edgar Choueiri; Rostislav Spektor

doi:10.1063/1.1848491

Laser induced fluorescence in a pulsed argon plasma

Earl Scime, Costel Biloiu, Christopher Compton, Forrest Doss, Daniel Venture, John Heard, Edgar Choueiri, Rostislav Spektor

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

A time-resolved laser induced fluorescence (LIF) technique for pulsed argon plasmas is described. A low power, tunable diode laser pumps a three level Ar II transition sequence at a wavelength of 668.6138 nm. With a standard LIF system designed for steady-state plasmas (e.g., 4 kHz optical chopper, 20 kHz band-width detector, and a lock-in amplifier), we demonstrate that the evolution of the ion velocity distribution can be resolved with a time resolution of 1 ms through a combination of time-series averaging and post-acquisition digital signal processing.

Original language	English (US)
Article number	026107
Pages (from-to)	026107-1-026107-3
Journal	Review of Scientific Instruments
Volume	76
Issue number	2
DOIs	https://doi.org/10.1063/1.1848491
State	Published - Jan 25 2005

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.1848491

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title = "Laser induced fluorescence in a pulsed argon plasma",

abstract = "A time-resolved laser induced fluorescence (LIF) technique for pulsed argon plasmas is described. A low power, tunable diode laser pumps a three level Ar II transition sequence at a wavelength of 668.6138 nm. With a standard LIF system designed for steady-state plasmas (e.g., 4 kHz optical chopper, 20 kHz band-width detector, and a lock-in amplifier), we demonstrate that the evolution of the ion velocity distribution can be resolved with a time resolution of 1 ms through a combination of time-series averaging and post-acquisition digital signal processing.",

author = "Earl Scime and Costel Biloiu and Christopher Compton and Forrest Doss and Daniel Venture and John Heard and Edgar Choueiri and Rostislav Spektor",

note = "Funding Information: This work was supported by the U.S. Department of Energy under Grant No. ER45849.",

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T1 - Laser induced fluorescence in a pulsed argon plasma

AU - Scime, Earl

AU - Biloiu, Costel

AU - Compton, Christopher

AU - Doss, Forrest

AU - Venture, Daniel

AU - Heard, John

AU - Choueiri, Edgar

AU - Spektor, Rostislav

N1 - Funding Information: This work was supported by the U.S. Department of Energy under Grant No. ER45849.

PY - 2005/1/25

Y1 - 2005/1/25

N2 - A time-resolved laser induced fluorescence (LIF) technique for pulsed argon plasmas is described. A low power, tunable diode laser pumps a three level Ar II transition sequence at a wavelength of 668.6138 nm. With a standard LIF system designed for steady-state plasmas (e.g., 4 kHz optical chopper, 20 kHz band-width detector, and a lock-in amplifier), we demonstrate that the evolution of the ion velocity distribution can be resolved with a time resolution of 1 ms through a combination of time-series averaging and post-acquisition digital signal processing.

AB - A time-resolved laser induced fluorescence (LIF) technique for pulsed argon plasmas is described. A low power, tunable diode laser pumps a three level Ar II transition sequence at a wavelength of 668.6138 nm. With a standard LIF system designed for steady-state plasmas (e.g., 4 kHz optical chopper, 20 kHz band-width detector, and a lock-in amplifier), we demonstrate that the evolution of the ion velocity distribution can be resolved with a time resolution of 1 ms through a combination of time-series averaging and post-acquisition digital signal processing.

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Laser induced fluorescence in a pulsed argon plasma

Abstract

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