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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 265-268 |
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Ashofteh ardakani P, Haddad M A. Beam profile study and optimization in polygonal and circular Multipass absorption cell. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :265-268
URL: http://opsi.ir/article-1-1921-en.html
URL: http://opsi.ir/article-1-1921-en.html
1- Department of Physics, Yazd University, Yazd, Iran. PO Box 89195-74
Abstract: (1705 Views)
Laser -based absorption spectroscopy is an elegant method for identifying and detection of molecular gases in different environments. Utilizing various Multipass cells provides longer absorption length (absorption depth) and consequently improves the sensitivity of this method. In this article we present ray tracing simulations for beam profile optimization and the optical design of three polygons and circular Multipass reflection cells. It is found the polygon geometry has its own significant advantages compared to other geometries.
Keywords: Circular Reflection Cell, Geometric optical design, Laser Absorption Spectroscopy, Multipass Cells
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