Spectrochemical Analysis Using Low-Background Laser Plasma Induced by Nd-YAG Laser at Low Pressure

元データ 2003-06-15 Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

概要

It was demonstrated that the atomic emission lines emitted from a low-background plasma which is produced when a Q-switched Nd-YAG laser (28 mJ, 1064 nm, 8 ns) is focused on a sample at a reduced pressure of 0.5 Torr, can be successfully applied to microarea analysis of samples such as stone. In this regard, it was stressed that analytical equipment can be constructed at low cost using low-background plasma spectroscopy because the gated optical multichannel analyzer (OMA) which is normally used in laser plasma spectroscopy can be replaced by a much simpler OMA system without gating. By comparing the results obtained by low-background plasma spectroscopy and those obtained using an electron-probe microanalyzer (EPMA), it was shown that by using this laser method, a much more sensitive analysis can be achieved. By attaching a small chamber directly to the sample surface with the aid of an o-ring, and applying this laser method, we can construct an in-situ mobile analytical system for use in fields such as geology and archeology.

著者

Kagawa Kiichiro Department Of Fiber Amenity Engineering Graduate School Of Engineering Fukui University
KURNIAWAN Hendrik Research Center of Maju Makmur Mandiri Foundation
KITAZIMA Iwao Department of Electrical and Electronic Engineering, Faculty of Engineering, Fukui University
LIE Tjung Meridien Counseling
IKEZAWA Kazuhiro Wakasawan Energy Research Center
MARUYAMA Tadashi Wakasawan Energy Research Center
Madjid Syahrun Department Of Electrical And Electronic Engineering Faculty Of Engineering Fukui University
Maruyama Tadashi Wakasawan Energy Research Center, Tsuruga, Fukui, 914-0192, Japan
Lie Tjung Meridien Counseling, 85 P Taman Sari Raya, Jakarta Barat 11150, Indonesia
Madjid Syahrun Department of Electrical and Electronic Engineering, Faculty of Engineering, Fukui University, 3-9-1 Bunkyo, Fukui 910-8507, Japan
Ikezawa Kazuhiro Wakasawan Energy Research Center, Tsuruga, Fukui, 914-0192, Japan
Kurniawan Hendrik Research Center of CV. Maju Makmur Mandiri, Srengseng Raya No. 40, Jakarta Barat 11630, Indonesia

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