Absolute characterization of laser-induced breakdown spectroscopy detection systems

被引：22

作者：

Taschuk, M. T. ^{[1
]}

Godwal, Y. ^{[1
]}

Tsui, Y. Y. ^{[1
]}

Fedosejevs, R. ^{[1
]}

Tripathi, M. ^{[2
]}

Kearton, B.

机构：

[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB, Canada

[2] Andor Technol S, Windsor, CT USA

来源：

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 2008年 / 63卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

laser-induced breakdown spectroscopy; LIBS; LIBS detectors; responsivity; noise-equivalent signals;

D O I：

10.1016/j.sab.2008.01.004

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A quantitative comparison of the performance of four different laser-induced breakdown spectroscopy detection systems is presented. The systems studied are an intensified photodiode array coupled with a Czerny-Turner spectrometer, an intensified CCD coupled with a Czerny-Turner spectrometer, an intensified CCD coupled to an Echelle spectrometer, and a prototype multichannel compact CCD spectrometer system. A simple theory of LIBS detection systems is introduced, and used to define noise-equivalent spectral radiance and noise-equivalent integrated spectral radiance for spectral detectors. A detailed characterization of cathode noise sources in the intensified systems is presented. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：525 / 535

页数：11

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