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Single-shot spatiotemporal intensity measurement of picosecond laser pulses with compressed ultrafast photography
Cao, Fengyan1; Yang, Chengshuai1; Qi, Dalong1; Yao, Jiali1; He, Yilin1; Wang, Xing2; Wen, Wenlong2; Tian, Jinshou2; Jia, Tianqing1; Sun, Zhenrong1; Zhang, Shian1,3
Department精密物理量测量实验室
2019-05
Source PublicationOPTICS AND LASERS IN ENGINEERING
ISSN0143-8166;1873-0302
Volume116Pages:89-93
Contribution Rank2
Abstract

The spatiotemporal measurement of the ultrashort laser pulses is of great significance in the diagnosis of the instrument performance and the exploration of the laser and matter interaction. In this work, we report an advanced compressed ultrafast photography (CUP) technique to measure the spatiotemporal intensity distribution of the picosecond laser pulses with a single shot. This CUP technique is based on a three-dimensional image reconstruction strategy by employing the random codes to encode the space-time-evolving laser pulse and decode it based on a compressed sensing (CS) algorithm. In our CUP system, the measurable laser wavelength depends on the spectral response of the streak camera, which can cover a wide range from ultraviolet (200 nm) to near infrared (850 nm). Based on the CUP system we develop, we successfully measure the spatiotemporal intensity evolutions of some typical laser pulses, such as the 800 nm picosecond laser pulse, the 800 and 400 nm two-color picosecond laser pulses and the supercontinuum picosecond laser pulse. These experimental results show that the CUP technique can well characterize the spatiotemporal intensity information of the picosecond laser pulses. Moreover, this technique has the remarkable advantages with the single shot measurement and without the reference laser pulse.

KeywordPicosecond laser pulses Spatiotemporal intensity measurement Compressed ultrafast photography Image reconstruction
DOI10.1016/j.optlaseng.2019.01.002
Indexed BySCI
Language英语
WOS IDWOS:000458939400012
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31155
Collection精密物理量测量实验室
Affiliation1.East China Normal Univ, Sch Phys & Mat Sci, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Ultrafast Photoelect Diagnost Technol, Xian 710119, Shaanxi, Peoples R China
3.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Peoples R China
Recommended Citation
GB/T 7714
Cao, Fengyan,Yang, Chengshuai,Qi, Dalong,et al. Single-shot spatiotemporal intensity measurement of picosecond laser pulses with compressed ultrafast photography[J]. OPTICS AND LASERS IN ENGINEERING,2019,116:89-93.
APA Cao, Fengyan.,Yang, Chengshuai.,Qi, Dalong.,Yao, Jiali.,He, Yilin.,...&Zhang, Shian.(2019).Single-shot spatiotemporal intensity measurement of picosecond laser pulses with compressed ultrafast photography.OPTICS AND LASERS IN ENGINEERING,116,89-93.
MLA Cao, Fengyan,et al."Single-shot spatiotemporal intensity measurement of picosecond laser pulses with compressed ultrafast photography".OPTICS AND LASERS IN ENGINEERING 116(2019):89-93.
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