This paper describes what is thought to be the first generation of a continuous wave deep ultraviolet laser at 275 nm by efficient frequency doubling of a blue-diode-pumped Pr:YLF laser at 550 nm.By employing a novel ...
supported by the National Key R&D Program of China(No.2023YFB3611000);the National Natural Science Foundation of China(Nos.62105237 and 62227821)。
We experimentally demonstrate a continuous-wave(CW)injection-seeded cascaded optical parametric amplifier(OPA)for generating femtosecond pulses in the NIR-I spectral region.Utilizing a cascaded two-stage configuration...
supported by the National Natural Science Foundation of China (No.U22A2087);the Guangdong Introducing Innovative and Entrepreneurial Teams of the Pearl River Talent Recruitment Program (No.2021ZT09X044)。
The intermodal nonlinear coefficient is an important parameter to analytically describe few-mode fiber(FMF) nonlinearity when the nonlinear interaction arising in the FMF is exploited for various applications. Here, w...
National Natural Science Foundation of China(62175080);National Key Research and Development Program of China(2022YFB2803600)。
The four-wave mixing(FWM)effect offers promise to generate or amplify light at wavelengths where achieving substantial gain is challenging,particularly within the mid-infrared(MIR)spectral range.Here,based on the comm...
supported by the Key-Area Research and Development Program of Guangdong Province(No.2023B0909010002);the Science and Technology PlanningProjectofShenzhenMunicipality(No.JCYJ20190808145016980)。
We demonstrate,for the first time and to the best of our knowledge,a continuous-wave and broadly tunable Cr:ZnSe bulk crystal laser pumped by a Tm:YLF bulk laser with 1845 nm and 1887 nm wavelengths.We compare the out...
supported by the National Natural Science Foundation of China(Nos.52072351,12274263,12174223 and 12304466);the Qilu Young Scholar Program of Shandong University;the Taishan Scholar Foundation of Shandong Province。
We reported on an efficient high-power continuous-wave laser operation on the^(3)H_(4)→^(3)H_(5) transition of Tm^(3+)ions in a diffusion-bonded composite YVO_(4)/Tm:GdVO_(4)crystal.Pumped by a laser diode at 794 nm,...
supported by the Key Foreign Cooperation Projects of the Bureau of International Cooperation of the Chinese Academy of Sciences (No. 181231KYSB20210001);the National Key Laboratory of Infrared Detection Technologies (No. IRDT-23-11);the National Natural Science Foundation of China (Nos. 51972229,61925508 and 62205359);the Key Research and Development Program of the Ministry of Science and Technology (No. GG20210301);the National Defense Science and Technology 173 Program (No. 2021-JCJQ-JJ-0639)。
Er:CaF_(2) crystals are crucial gain media for producing 3μm mid-infrared (MIR) lasers pumped by 976 nm continuouswave (CW) lasers owing to their low phonon energy and high conversion efficiency.This study investigat...
supported by the National Natural Science Foundation of China(62293521,62174167,12205119);Shanghai Rising-Star Program(22QA1410700);China Postdoctoral Science Foundation(2022M723282);Zhejiang Provincial Natural Science Foundation of China(LQ23F040002);Jiaxing Municipal Public Welfare Research Project(2022AY10027).
A reliable,efficient and electrically-pumped Si-based laser is considered as the main challenge to achieve the integration of all key building blocks with silicon photonics.Despite the impressive advances that have be...
supported by the Fund of the State Key Laboratory of Laser Interaction with Matter(No.SKLLIM1912)。
We report on a compact,high-efficiency mid-infrared continuous-wave(CW)Fe:ZnSe laser pumped by a 2.9μm fiber laser under liquid nitrogen cooling.A maximum output power of 5.5 W and a slope efficiency of up to 66.3%wi...
This compendium review focuses on the spatial distribution of sensitivity to localized absorption changes in optically diffuse media,particularly for measurements relevant to near-infrared spectroscopy.The three tempo...