Zobrazeno 1 - 10
of 149
pro vyhledávání: '"Guiqiu Li"'
Autor:
Houyi Ma, Dechun Li, Xiaomei Wang, Guiqiu Li, Kong Gao, Tianli Feng, Tao Li, Ziqun Niu, Zhongben Pan, Hongwei Chu, Shengzhi Zhao, Wenchao Qiao, Jia Zhao
Publikováno v:
IEEE Photonics Technology Letters. 32:162-165
The Q-switching performance of graphitic carbon nitride (g-C3 N4) based on saturated absorption is demonstrated in 2 micrometer wavelength region for the first time. The g-C3N4 saturable absorbers, processed by thermal oxidation etching, are employed
Autor:
Ziqun Niu, Tianli Feng, Tao Li, Kejian Yang, Jia Zhao, Guiqiu Li, Dechun Li, Shengzhi Zhao, Wenchao Qiao, Hongwei Chu, Yizhou Liu
Publikováno v:
Optics Communications. 520:128544
Autor:
Shengzhi Zhao, Kejian Yang, Dechun Li, Qizhang Qian, Jie Zang, Xin Cheng, Guiqiu Li, Nan Wang, Tao Li, Desheng Kong
Publikováno v:
Optics & Laser Technology. 111:597-603
A facile thermal modification method based on thermal oxidation etching was successfully developed as an effective way of improving the photoelectric properties of graphite carbon nitride (g-C3N4), and the as-prepared modified g-C3N4 was employed as
Autor:
Shuaiyi Zhang, Guiqiu Li, Tao Li, Jia Zhao, Zhengyu Yan, Shengzhi Zhao, Kejian Yang, Dechun Li
Publikováno v:
Optical Materials. 84:371-374
The saturable absorption properties of molybdenum tungsten disulfide (MoWS2) near 1.6 μm were investigated. Passively Q-switched Er:YAG laser at 1645 nm with a home-made MoWS2 as saturable absorber was realized. Under an absorbed pump power of 10.75
Autor:
Jun Xu, Jintian Bian, Lihe Zheng, Kejian Yang, Jia Zhao, Xinyang Liu, Shengzhi Zhao, Jingliang He, Liangbi Su, Wenchao Qiao, Guiqiu Li, Dechun Li, Tao Li, Baitao Zhang
Publikováno v:
IEEE Photonics Technology Letters. 30:777-780
By transferring the colloidal suspensions of ferroferric-oxide (Fe3O4) nanoparticles (FONPs) onto a quartz plate, zero-dimension FONPs saturable absorber (SA) is successfully fabricated and employed in a Tm:Lu3Al5O12 (Tm:LuAG) bulk laser. The propert
Autor:
Guiqiu Li, Tao Li, Shengzhi Zhao, Zhengyu Yan, Kejian Yang, Zijing Gao, Shuaiyi Zhang, Dechun Li
Publikováno v:
Optics & Laser Technology. 100:261-264
Multilayer molybdenum ditelluride (MoTe2) nanosheets were prepared by liquid-phase exfoliation (LPE) method. A YAG-based MoTe2 saturable absorption (SA) was consequently fabricated. The MoTe2-SA was employed in a passively Q-switched Ho,Pr:LiLuF4 las
Publikováno v:
Optics & Laser Technology. 96:265-270
A doubly Q-switched Nd:GGG laser emitting 1064 nm wavelength with an acousto-optic modulator (AOM) and a monolayer graphene saturable absorber (SA) is presented to study the pulse characteristics. In comparison with singly passive Q-switched laser (S
Publikováno v:
Optical Materials. 72:464-469
A doubly Q-switched Nd:GGG laser emitting 1064 nm wavelength with an acousto-optic modulator (AOM) and a few-layer MoS 2 saturable absorber (SA) is presented to study the pulsed laser characteristics. The average output power, the pulse width, the pu
Autor:
Dechun Li, Jia Zhao, Hongwei Chu, Shengzhi Zhao, Wenchao Qiao, Ziqun Niu, Kejian Yang, Tianli Feng, Yizhou Liu, Guiqiu Li, Tao Li
Publikováno v:
Optics Express. 29:24684
In this paper, two-dimensional material Sb2Te3 nanosheets are fabricated and the optical nonlinear response is investigated. A laser diode (LD) end-pumped doubly Q-switched Tm:YAP laser with electro-optic modulator (EOM) and Sb2Te3 nanosheets based s
Publikováno v:
Optics & Laser Technology. 136:106812
In the present work, we report a strategy to synthesize α-Fe2O3 nanoflakes as a nonlinear optical (NLO) material for the optical pulse generation in the near-infrared (NIR) band. With the excitation wavelength of 1 µm, the effective nonlinear absor