Near-infrared diode laser absorption spectroscopy of the (2, 0) band of the A 2Πu-X 2Σ+g system of the N+2 ion generated in a supersonic jet expansion

Kensuke Harada; Takehiko Tanaka

doi:10.1016/0009-2614(94)00880-9

Near-infrared diode laser absorption spectroscopy of the (2, 0) band of the A ²Π_u-X ²Σ⁺_g system of the N⁺₂ ion generated in a supersonic jet expansion

Kensuke Harada
, Takehiko Tanaka

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

15 Citations (Scopus)

Abstract

The A ²Π_u-X ²Σ⁺_g band of the nitrogen molecular ion rotationally cooled to typically 50 K in a pulsed supersonic jet expansion has been observed by direct absorption spectroscopy with near-infrared diode laser source. Rotational lines belonging to the (2, 0) vibrational band were observed with the signal-to-noise ratio greater than 40 by the use of the discharge modulation technique combined with dual-gated integration.

Original language	English
Pages (from-to)	651-655
Number of pages	5
Journal	Chemical Physics Letters
Volume	227
Issue number	6
DOIs	https://doi.org/10.1016/0009-2614(94)00880-9
Publication status	Published - Sept 23 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/0009-2614(94)00880-9

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abstract = "The A 2Πu-X 2Σ+g band of the nitrogen molecular ion rotationally cooled to typically 50 K in a pulsed supersonic jet expansion has been observed by direct absorption spectroscopy with near-infrared diode laser source. Rotational lines belonging to the (2, 0) vibrational band were observed with the signal-to-noise ratio greater than 40 by the use of the discharge modulation technique combined with dual-gated integration.",

author = "Kensuke Harada and Takehiko Tanaka",

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AU - Tanaka, Takehiko

PY - 1994/9/23

Y1 - 1994/9/23

N2 - The A 2Πu-X 2Σ+g band of the nitrogen molecular ion rotationally cooled to typically 50 K in a pulsed supersonic jet expansion has been observed by direct absorption spectroscopy with near-infrared diode laser source. Rotational lines belonging to the (2, 0) vibrational band were observed with the signal-to-noise ratio greater than 40 by the use of the discharge modulation technique combined with dual-gated integration.

AB - The A 2Πu-X 2Σ+g band of the nitrogen molecular ion rotationally cooled to typically 50 K in a pulsed supersonic jet expansion has been observed by direct absorption spectroscopy with near-infrared diode laser source. Rotational lines belonging to the (2, 0) vibrational band were observed with the signal-to-noise ratio greater than 40 by the use of the discharge modulation technique combined with dual-gated integration.

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Near-infrared diode laser absorption spectroscopy of the (2, 0) band of the A ²Π_u-X ²Σ⁺_g system of the N⁺₂ ion generated in a supersonic jet expansion

Abstract

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