Optical modeling of the characteristics of dual reflective grating spatial heterodyne spectrometers for use in laser-induced breakdown spectroscopy

被引：1
|
作者：
Palasti, David J. [1 ,2 ]
Fule, Miklos [3 ]
Veres, Miklos [4 ]
Galbacs, G. [1 ,2 ]
机构：
[1] Univ Szeged, Fac Sci & Informat, Dept Inorgan & Analyt Chem, Dom Sq 7, H-6720 Szeged, Hungary
[2] Univ Szeged, Interdisciplinary Excellence Ctr, Dept Mat Sci, Dugon Sq 13, H-6720 Szeged, Hungary
[3] Univ Szeged, Inst Phys, Fac Engn, Mars Sq 7, H-6724 Szeged, Hungary
[4] Wigner Res Ctr Phys, Inst Solid State Phys & Opt, Dept Appl & Nonlinear Opt, Konkoly Thege M Way 29-33, H-1121 Budapest, Hungary
来源：
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 2021年 / 183卷
关键词：
LIBS; SHS; Sensitivity; Spectral resolution; Free spectral bandwidth; Time dispersion; WATER;
D O I：
10.1016/j.sab.2021.106236
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
In the present work, we performed a combination of non-sequential ray tracing and numerical interferometric simulations to study the effect of the most important optical and experimental parameters on the performance of spatial heterodyne interferometric spectrometers, relevant to their use in laser-induced breakdown spectroscopy (spatial heterodyne laser-induced breakdown spectroscopy, SH-LIBS). We provide a detailed, numerical assessment of the spectral bandpass, tuning characteristics, spectral resolution, sensitivity and temporal gating achievable in such an instrument. These modeling results can pave the way for the construction of improved SHLIBS spectrometers for elemental sensing.
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页数：11
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