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Research on the Response Characteristics of Vanadium Pentoxide Film to the Irradiation of Ultrafast Pulsed Laser
Shi, Qianqian1,2; Zhang, Guodong3; Wang, Yuheng4; Lan, Yu1,2; Wang, Jiang3; Cheng, Guanghua3
Department瞬态光学研究室
2021-08
Source PublicationNANOMATERIALS
ISSN2079-4991
Volume11Issue:8
Contribution Rank1
Abstract

Vanadium pentoxide (V2O5) is the most stable phase among many transition metal vanadium oxides, and has already been widely used in many fields. In this study, the morphological, structural, and optical responses of V2O5 film to ultrafast laser irradiation was investigated. The third-order nonlinear optical properties of V2O5 film were measured by common Z-scan technique, and the results showed that V2O5 film has self-defocusing and saturable absorption characteristics. The third-order nonlinear absorption coefficient and nonlinear refractive index were calculated to be -338 cm/GW and -3.62 x 10(-12) cm(2)/W, respectively. The tunable saturated absorption with modulation depth ranging from 13.8% to 29.3% was realized through controlling the thickness of vanadium pentoxide film. V2O5 film was irradiated by ultrafast laser with variable pulse energy, and the morphological and structural responses of the V2O5 to the laser with different energy densities were investigated. The irreversible morphological and structural responses of V2O5 films to ultrafast laser irradiation was analyzed using the phase-contrast microscope and Raman spectrum. The chemical structure change from V2O5 to V6O13 was considered the main reason for refractive index modification.

Keywordvanadium pentoxide ultrafast laser irradiation Z-scan technique nonlinear optical
DOI10.3390/nano11082078
Indexed BySCI
Language英语
WOS IDWOS:000690139800001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/95029
Collection瞬态光学研究室
Corresponding AuthorCheng, Guanghua
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Northwestern Polytech Univ, Sch Artificial Intelligence Opt & Elect iOPEN, Xian 710072, Peoples R China
4.South China Univ Technol, Res Ctr Semicond Lighting & Informat Engn Technol, Guangzhou 510641, Peoples R China
Recommended Citation
GB/T 7714
Shi, Qianqian,Zhang, Guodong,Wang, Yuheng,et al. Research on the Response Characteristics of Vanadium Pentoxide Film to the Irradiation of Ultrafast Pulsed Laser[J]. NANOMATERIALS,2021,11(8).
APA Shi, Qianqian,Zhang, Guodong,Wang, Yuheng,Lan, Yu,Wang, Jiang,&Cheng, Guanghua.(2021).Research on the Response Characteristics of Vanadium Pentoxide Film to the Irradiation of Ultrafast Pulsed Laser.NANOMATERIALS,11(8).
MLA Shi, Qianqian,et al."Research on the Response Characteristics of Vanadium Pentoxide Film to the Irradiation of Ultrafast Pulsed Laser".NANOMATERIALS 11.8(2021).
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