Results 31 to 40 of about 646,274 (209)

Watt-level high-stability all-solid-state passively Q-switched laser based on germanene nanosheets

Frontiers in Physics, 2022
Excellent Q-switching operations modulated by new two-dimensional (2D) saturable absorber (SA) materials with stable performance is a hot topic in all-solid-state pulsed laser research.
Baohao Xu, Wenjing Tang, Wanggen Sun, Jing Wang, Kai Jiang, Xinyu Hu, Wei Xia   +6 more
doaj   +1 more source

Watt-Level Dual-Wavelength Q-Switched Mode-Locked All-Solid-State Tm:CYA Laser

Frontiers in Physics, 2020
A passively Q-switched mode-locked all-solid-state Tm:CaYAIO4 (Tm:CYA) laser with a MoS2 saturable absorber is demonstrated for the first time. Employing a typical X-type cavity and output coupling mirror of 9%, when the laser diode pump power is higher ...
Chen Chen, Chen Chen, Weijun Ling, Rui Sun, Rui Sun, Qiang Xu, Qiang Xu, Yani Zhang, Yani Zhang   +8 more
doaj   +1 more source

Sub-100 fs watt-level Kerr-lens mode-locked Yb:CaYAlO4 laser with a gigahertz repetition rate

Frontiers in Physics, 2023
We report a 1.04 GHz high-power Kerr-lens mode-locked Yb:CaYAlO4 laser pumped by a single-mode fiber laser at 976 nm. Based on a bow-tie cavity, stable unidirectional mode-locked operation is obtained with an output coupler of 1.6%.
Ziyue Zhang, Ziyue Zhang, Junyi Ma, Guodong Zhao, Xiaodong Shao, Yunzhong Zheng, Hainian Han, Hainian Han, Zhiyi Wei, Zhiyi Wei   +9 more
doaj   +1 more source

Spectroscopy of Rb$_{2}$ dimers in solid $^{4}$He [PDF]

, 2006
We present experimental and theoretical studies of the absorption, emission and photodissociation spectra of Rb$_{2}$ molecules in solid helium. We have identified 11 absorption bands of Rb$_{2}$.
A. Hofer, A. Weis, J. Higgins, P. Moroshkin, S. J. Park, S. Ulzega   +5 more
core   +2 more sources

1.4 W Passively Q-Switched Mode-Locked Tm:CALGO Laser with a MoS₂ Saturable Absorber

Photonics
The passively Q-switched mode-locked (QML) operation of a Tm:CaGdAlO4 (Tm:CALGO) bulk laser pumped by a wavelength-tunable Ti:sapphire oscillator using molybdenum disulfide (MoS2) as a saturable absorber was demonstrated.
Weijun Ling, Hao Xu, Jinfang Yang, Xue Qiu, Taotao He, Purui An, Chao Bi, Shichao Yuan, Man Wang, Xinye Tian, Zhong Dong   +10 more
doaj   +1 more source

All-Solid-State DUV Light Source by Quadrupling of an Acousto-Optically Q-Switched Nd:YVO₄ Laser

IEEE Access, 2021
All-solid-state 228.5 nm Deep Ultraviolet (DUV) laser has been studied with two-step second harmonious generation (SHG) of Nd:YVO4 914 nm fundamental laser, by optimizing its resonator design and SHG configurations.
Zhibin Zhao, Hao Chen, Guojun Liu, Cheng Cheng, Quan Li, Zhongliang Qiao, Yi Qu, Qiongtao Xie, Jiang Zhu, Quan Zheng, Baoxue Bo   +10 more
doaj   +1 more source

0.74 W Broadband Degenerate Femtosecond MgO-Doped Periodically Poled Lithium Niobate (MgO: PPLN) Optical Parametric Oscillator at 2056 nm

Photonics
The degenerate optical parametric oscillator (OPO) is demonstrated to generate high-power, broadband mid-infrared MgO-doped periodically poled lithium niobate (MgO:PPLN) femtosecond laser at 151 MHz, synchronously pumped by a commercial Kerr-lens mode ...
Yuxiang Zhao, Bobo Wang, Jinfang Yang, Taotao He, Hao Xu, Xue Qiu, Zhong Dong, Weijun Ling   +7 more
doaj   +1 more source

β-Ga₂O₃ Used as a Saturable Sbsorber to Realize Passively Q-Switched Laser Output

Crystals, 2021
β-Ga2O3 crystals have attracted great attention in the fields of photonics and photoelectronics because of their ultrawide band gap and high thermal conductivity.
Baizhong Li, Qiudi Chen, Peixiong Zhang, Ruifeng Tian, Lu Zhang, Qinglin Sai, Bin Wang, Mingyan Pan, Youchen Liu, Changtai Xia, Zhenqiang Chen, Hongji Qi   +11 more
doaj   +1 more source

Optical Coherence Tomography Following Panretinal Photocoagulation Demonstrating Choroidal Detachment

Photonics, 2022
Retinal laser therapy such as panretinal photocoagulation can be associated with complications, including rare cases of choroidal detachment. This report describes high-resolution optical coherence tomography (OCT) imaging after retinal laser panretinal ...
Xinyi Xie, Qinghuai Liu, Yannis Mantas Paulus   +2 more
doaj   +1 more source

Third-harmonic generation of a continuous-wave Ti : Sapphire laser in external resonant cavities [PDF]

, 2003
An all-solid-state tunable continuous-wave (cw) laser operating near 272 nm with a bandwidth Gamma approximate to 3 MHz has been developed. The third harmonic of light from a single-cw Ti:Sapphire laser has been generated using two external enhancement ...
Duijn, E.J. van, Hogervorst, W., Mes, J., Witte, S., Zinkstok, R.T.   +4 more
core   +3 more sources