Local Dependence of Rise Time of Spectral Line Intensities in Ne Glow Discharge Tube

Yamashita, Masafumi

doi:10.1143/jjap.22.1170

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…So, it is imperative to choose the appropriate spectral line source. Therefore, four kinds of spectral line sources were employed, which are mercury (Hg)- [17], argon (Ar)- [18], krypton (Kr)- [19], and Neon (Ne)- [20] type lamps.…”

Section: Equipment For Calibrationmentioning

confidence: 99%

Pre-Launch Spectral Calibration of the Absorbed Aerosol Sensor

Mao,

Wang,

Shi

et al. 2023

Sensors

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Spectral calibration consists of the calibration of wavelengths and the measurement of the instrument’s spectral response function (SRF). Unlike conventional slits, the absorbed aerosol sensors (AAS) are used as a slit homogenizer, in which the SRF is not a conventional Gaussian curve. To be more precise, the SRF is the convolution of the slit function of the spectrometer, the line spread function of the optical system, and the detector response function. The SRF of the slit homogenizer is a flat-topped multi-Gaussian function. Considering the convenience of fitting, a super-Gaussian function, which has a distribution similar to the flat-topped multi-Gaussian function, is employed to fit the measured data in a spectral calibration. According to the results, the SRF’s shapes resembling a Gaussian curve with a flat top could be derived, which contains a full width at half maximum (FWHM) of 1.78–1.82 nm for the AAS. The results show that the correlation is about 0.99, which indicates the usefulness of the fitting function that could better characterize the SRF of the instrument.

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Section: Equipment For Calibrationmentioning

confidence: 99%

Pre-Launch Spectral Calibration of the Absorbed Aerosol Sensor

Mao,

Wang,

Shi

et al. 2023

Sensors

View full text Add to dashboard Cite

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Multi-Gate Photon Counter for Studying Temporal Correlation of Spectral Line Intensity and Discharge Current

Kimura¹

1985

Jpn. J. Appl. Phys.

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A sensitive, accurate multi-gate photon counting system for the spectral measurement of weak lines emitted from Ne atoms and ions excited by square-wave voltage pulses in hollow-cathode discharge tubes has been developed. Features of the system are, 1) improvement of the temporal properties of the high voltage pulse generator, 2) regulation of the whole system by a single standard clock time, permitting synchronous operation, 3) increase of the number of pairs of sampling gates and photon counters to ten, improving the efficiency of weak intensity measurement, 4) increase of the precision of the time-resolving power to ±0.5 µs. The temporal change of intensity of several neutral and ionic lines of Ne as a function of the intensity of the discharge current are presented for the initial transient state.

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Temporal Change of Local Dependence of Emission in Neon Glow Discharge

Yamashita

1985

Jpn. J. Appl. Phys.

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The temporal change of the radial and axial dependence of emission in an impulsive Ne glow discharge was investigated, using two kinds of plane-parallel discharge tube, to study the effect of the anode structure on the initial growth mechanism of gas discharge. The discharge tubes consisted of a plane-disk cathode tube with a plane-mesh anode and a plane-disk cathode tube with a ring anode. Analysis of the data revealed that the space charge plays an important role not only in the stationary emission state but also at the initial emission stage, and depends on the anode structure; and the ambipolar diffusion takes effect some tens of microseconds after emission begins. The radial extent of the emission is sensitive to the anode structure, but the central axial extent of the emission depends on the gas pressure.

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Local Dependence of Rise Time of Spectral Line Intensities in Ne Glow Discharge Tube

Cited by 3 publications

References 14 publications

Pre-Launch Spectral Calibration of the Absorbed Aerosol Sensor

Pre-Launch Spectral Calibration of the Absorbed Aerosol Sensor

Multi-Gate Photon Counter for Studying Temporal Correlation of Spectral Line Intensity and Discharge Current

Temporal Change of Local Dependence of Emission in Neon Glow Discharge

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