Vacuum ultraviolet(VUV)light sensing shows great potential applications in the space science,materials,biophysics,and plasma physics.In this work,an all-optical detection method is proposed for VUV sensing by construc...Vacuum ultraviolet(VUV)light sensing shows great potential applications in the space science,materials,biophysics,and plasma physics.In this work,an all-optical detection method is proposed for VUV sensing by constructing an optical fiber-end Fabry-Pérot interferometer based on a single aluminum nitride(AlN)microwire.Compared with the traditional electrical devices,this all-optical detection method overcomes the difficulties like the fast response and electromagnetic interference immunity in detecting VUV bands at the present stage,and improves the response speed.The proposed device shows the excellent performance of VUV detection,with the static sensitivity of 1.03 nm/(W·cm^(-2)),response rise time of down to 10μs,and decay time of 0.64 ms.Beneficial from the excellent radiation resistance of AlN microwires and UV resistance of silica fibers,the proposed device is expected to have the good stability and potential applications in the fields of the solar physics and space exploration.展开更多
基金supported by the National Key Research and Development Program of China(Grant Nos.2022YFE0111400 and 2022YFB3605303)Science and Technology Innovation Commission of Shenzhen(Grant Nos.JCYJ20200109114001806,JCYJ20220818095615034,and JCYJ20210324095400002)+1 种基金Shenzhen Key Laboratory of Ultrafast Laser Micro/Nano Manufacturing(Grant No.ZDSYS20220606100405013)Natural Science Foundation of Guangdong Province(Grant No.2023A1515012893).
文摘Vacuum ultraviolet(VUV)light sensing shows great potential applications in the space science,materials,biophysics,and plasma physics.In this work,an all-optical detection method is proposed for VUV sensing by constructing an optical fiber-end Fabry-Pérot interferometer based on a single aluminum nitride(AlN)microwire.Compared with the traditional electrical devices,this all-optical detection method overcomes the difficulties like the fast response and electromagnetic interference immunity in detecting VUV bands at the present stage,and improves the response speed.The proposed device shows the excellent performance of VUV detection,with the static sensitivity of 1.03 nm/(W·cm^(-2)),response rise time of down to 10μs,and decay time of 0.64 ms.Beneficial from the excellent radiation resistance of AlN microwires and UV resistance of silica fibers,the proposed device is expected to have the good stability and potential applications in the fields of the solar physics and space exploration.
