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Generalized Optical Design of the Double-Row Circular Multi-Pass Cell
A new design of circular multi-pass cells (CMPC) with two rows of reflection spots on mirrors is presented. The effective optical path length (OPL) of this novel CMPC is double that of traditional CMPC with the same diameter and interval of spots. This OPL can be readily adjusted to have regular int...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6111760/ https://www.ncbi.nlm.nih.gov/pubmed/30111713 http://dx.doi.org/10.3390/s18082680 |
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author | Yang, Zheng Guo, Yin Ming, Xianshun Sun, Liqun |
author_facet | Yang, Zheng Guo, Yin Ming, Xianshun Sun, Liqun |
author_sort | Yang, Zheng |
collection | PubMed |
description | A new design of circular multi-pass cells (CMPC) with two rows of reflection spots on mirrors is presented. The effective optical path length (OPL) of this novel CMPC is double that of traditional CMPC with the same diameter and interval of spots. This OPL can be readily adjusted to have regular intervals by rough rotation adjustment. We achieved a spatial separation of pre- and post-transfer optical systems that was adequately large even in the cases with a large number of passes. Analytical chief ray tracing analysis and a generalized method for parameter determination for designing the cell are presented in detail. The stable condition of the double-row CMPC (DR-CMPC) is also derived by the ABCD matrix method. Designs with maximum effective OPL of 74.72 m, 48.67 m and 24.57 m are demonstrated and verified by ray tracing simulations within a 25 cm diameter DR-CMPC. An adjustment of the regular intervals to 1 m can be achieved in both designs. The overall astigmatism of the design with an effective OPL of 74.72 m is only 9.30 × 10(−6) mm, which is four orders of magnitude smaller than that of the traditional CMPC with similar geometric parameters. |
format | Online Article Text |
id | pubmed-6111760 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-61117602018-08-30 Generalized Optical Design of the Double-Row Circular Multi-Pass Cell Yang, Zheng Guo, Yin Ming, Xianshun Sun, Liqun Sensors (Basel) Article A new design of circular multi-pass cells (CMPC) with two rows of reflection spots on mirrors is presented. The effective optical path length (OPL) of this novel CMPC is double that of traditional CMPC with the same diameter and interval of spots. This OPL can be readily adjusted to have regular intervals by rough rotation adjustment. We achieved a spatial separation of pre- and post-transfer optical systems that was adequately large even in the cases with a large number of passes. Analytical chief ray tracing analysis and a generalized method for parameter determination for designing the cell are presented in detail. The stable condition of the double-row CMPC (DR-CMPC) is also derived by the ABCD matrix method. Designs with maximum effective OPL of 74.72 m, 48.67 m and 24.57 m are demonstrated and verified by ray tracing simulations within a 25 cm diameter DR-CMPC. An adjustment of the regular intervals to 1 m can be achieved in both designs. The overall astigmatism of the design with an effective OPL of 74.72 m is only 9.30 × 10(−6) mm, which is four orders of magnitude smaller than that of the traditional CMPC with similar geometric parameters. MDPI 2018-08-15 /pmc/articles/PMC6111760/ /pubmed/30111713 http://dx.doi.org/10.3390/s18082680 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Yang, Zheng Guo, Yin Ming, Xianshun Sun, Liqun Generalized Optical Design of the Double-Row Circular Multi-Pass Cell |
title | Generalized Optical Design of the Double-Row Circular Multi-Pass Cell |
title_full | Generalized Optical Design of the Double-Row Circular Multi-Pass Cell |
title_fullStr | Generalized Optical Design of the Double-Row Circular Multi-Pass Cell |
title_full_unstemmed | Generalized Optical Design of the Double-Row Circular Multi-Pass Cell |
title_short | Generalized Optical Design of the Double-Row Circular Multi-Pass Cell |
title_sort | generalized optical design of the double-row circular multi-pass cell |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6111760/ https://www.ncbi.nlm.nih.gov/pubmed/30111713 http://dx.doi.org/10.3390/s18082680 |
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