Influence of the neon 1s configuration on the optogalvanic effect at the 594.5-nm (1s5–2p4) and 585.2-nm (1s2–2p1) lines

Verónica B. Slezak; Violeta D’Accurso; Francisco A. Manzano

doi:10.1364/JOSAB.13.002701

Journal of the Optical Society of America B
Vol. 13,
Issue 12,
pp. 2701-2707
(1996)
•https://doi.org/10.1364/JOSAB.13.002701

Influence of the neon 1s configuration on the optogalvanic effect at the 594.5-nm (1s₅–2p₄) and 585.2-nm (1s₂–2p₁) lines

Verónica B. Slezak, Violeta D’Accurso, and Francisco A. Manzano

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Verónica B. Slezak, Violeta D’Accurso, and Francisco A. Manzano, "Influence of the neon 1s configuration on the optogalvanic effect at the 594.5-nm (1s₅–2p₄) and 585.2-nm (1s₂–2p₁) lines," J. Opt. Soc. Am. B 13, 2701-2707 (1996)

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Abstract

A model based on rate equations has been developed to describe the optogalvanic signal observed in the negative-glow region of a hollow-cathode discharge when a pulsed dye laser is tuned to the 1s₅–2p₄ and 1s₂–2p₁ neon transitions (Paschen notation). We include an ambipolarlike term of charge loss that is determined empirically and a term that takes into account the variation of photoelectrons produced by changes in the 1s₂ population on laser irradiation. The change of sign of the signal for transitions from the 1s₂ level with respect to those from the 1s₅ state, the amplitude, and the time evolution are well predicted.

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Rate Coefficients	Values	References
$R_{G - s 3}^{h},$ $R_{G - s 2}^{h}$	$2 \times 10^{- 12}$ cm³/s, $3 \times 10^{- 11}$ cm³/sa	23
$R_{G - p 3}^{h},$ $R_{G - p 1}^{h}$	$6 \times 10^{- 13}$ cm³/s, $7 \times 10^{- 12}$ cm³/sa	24
$R_{s 5 - p 5}^{h},$ $R_{s 2 - p 1}^{h}$	$2 \times 10^{- 8}$ cm³/s, $4 \times 10^{- 6}$ cm³/sa	25
$R_{s 5 - p 5}$ , $R_{s 2 - p 1}$	$2 \times 10^{- 10}$ cm³/s, $4 \times 10^{- 8}$ cm³/sa	25
$R_{G - I}^{h}$	$2.5 \times 10^{- 11}$ cm³/s	26
$R_{si - I}^{h}$	$1.8 \times 10^{- 8}$ cm³/s	27
$R_{si - I}$	$2 \times 10^{- 14}$ cm³/s	27
$R_{pj - I}^{h}$	$7.7 \times 10^{- 7}$ cm³/s	19
$R_{pj - I}$	$2.7 \times 10^{- 10}$ cm³/s	19
$R_{s 5 - I}^{s 5}$ , $R_{s 4 - I}^{s 5}$	$4.8 \times 10^{- 10}$ cm³/s, $4.5 \times 10^{- 9}$ cm³/sa	17, 28-30
$R_{s 2 - s 5}^{G}$ , $R_{s 2 - s 4}^{G}$	$1 \times 10^{- 13}$ cm³/s, $8 \times 10^{- 12}$ cm³/sa,b	18
$R_{s 2 - s 5}$ , $R_{s 4 - s 5}$	$9 \times 10^{- 9}$ cm³/s, $2 \times 10^{- 7}$ cm³/sa,b	31, 32
$R_{p 4 - p 10},$ $R_{p 3 - p 4}$	$5 \times 10^{- 7}$ , cm³/s, $9 \times 10^{- 2}$ cm³/sa,b	19
R_TR	$6.7 \times 10^{- 25}$ cm⁶/s	33
R_RR	$\sim 10^{- 10}$ cm³/s	34
R_DR	$5.5 \times 10^{- 8}$ cm³/s	35
R_MF	$5.8 \times 10^{- 32}$ cm⁶/s	36
Q_s2, Q_s4	$1.6 \times 10^{6}$ $s^{- 1}$ , $1.4 \times 10^{5}$ $s^{- 1}$	6
Q_s3, Q_s5	$7 \times 10^{3}$ $s^{- 1}$	37

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Journal of the Optical Society of America B