中文版 | English
Title

Design and fabrication of diffraction grating with optimized efficiency for transient grating spectroscopy

Author
Corresponding AuthorGuo, Liang
Joint first authorPeng, Zeyu
Publication Years
2022-12-01
DOI
Source Title
ISSN
0034-6748
EISSN
1089-7623
Volume93Issue:12Pages:125112
Abstract

Transient grating spectroscopy (TGS) based on diffraction gratings is a powerful optical method for studying the transport of energy carriers such as phonons and electrons. The diffraction grating in a TGS system is a key component to form a large-area interference pattern, i.e., transient grating, and to study the mean free path distribution of energy carriers. In this work, a design method for polarization-insensitive diffraction gratings with periods in the range 2-50 mu m for TGS by a combination of rigorous coupled wave analysis and genetic algorithm was discussed. The method was tested for pump/probe wavelength of 515/532 or 1030/808 nm. Each & PLUSMN;1st diffraction order carries 35%-40% of the incident energy and the diffraction efficiencies of the other orders are lower than 10%. The optimized diffraction gratings were fabricated by a combination of photolithography and inductively coupled plasma etching, with the processing parameters introduced in detail, and their optical characteristics were evaluated. Finally, as a demonstration, the diffraction gratings for 1030/808 nm were applied to TGS to study the thermal transport properties of Ge. This work provides a useful guide for future applications and the development of TGS. Published under an exclusive license by AIP Publishing.

URL[Source Record]
Indexed By
SCI ; EI
Language
English
SUSTech Authorship
First ; 共同第一 ; Corresponding
Funding Project
Natural Science Foundation of Guangdong Province[2019A1515010745] ; University Consistent Support Program of Shenzhen Natural Science Foundation[20200925155828001] ; National Science Foundation of China[52176075] ; introduced innovative R&D team of Guangdong[2017ZT07C062] ; Key Technology Projects of Shenzhen Science and Technology Innovation Commission[JSGG20210420091600002]
WOS Research Area
Instruments & Instrumentation ; Physics
WOS Subject
Instruments & Instrumentation ; Physics, Applied
WOS Accession No
WOS:000901798000003
Publisher
ESI Research Field
CHEMISTRY
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/420791
DepartmentDepartment of Mechanical and Energy Engineering
工学院_材料科学与工程系
Affiliation
1.Southern Univ Sci & Technol, Dept Mech & Energy Engn, 1088 Xueyuan Ave, Shenzhen 518055, Peoples R China
2.GBA Natl Inst Nanotechnol Innovat, Guangzhou 510725, Guangdong, Peoples R China
3.Southern Univ Sci & Technol, Dept Mat Sci & Engn, 1088 Xueyuan Ave, Shenzhen 518055, Peoples R China
First Author AffilicationDepartment of Mechanical and Energy Engineering
Corresponding Author AffilicationDepartment of Mechanical and Energy Engineering
First Author's First AffilicationDepartment of Mechanical and Energy Engineering
Recommended Citation
GB/T 7714
Huang, Shubin,Peng, Zeyu,Rui, Shi,et al. Design and fabrication of diffraction grating with optimized efficiency for transient grating spectroscopy[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2022,93(12):125112.
APA
Huang, Shubin.,Peng, Zeyu.,Rui, Shi.,Zhang, Renfu.,Wen, Rui-Tao.,...&Guo, Liang.(2022).Design and fabrication of diffraction grating with optimized efficiency for transient grating spectroscopy.REVIEW OF SCIENTIFIC INSTRUMENTS,93(12),125112.
MLA
Huang, Shubin,et al."Design and fabrication of diffraction grating with optimized efficiency for transient grating spectroscopy".REVIEW OF SCIENTIFIC INSTRUMENTS 93.12(2022):125112.
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