Results 21 to 30 of about 88,499 (309)

MXene Ti3C2Tx saturable absorber for passively Q-switched mid-infrared laser operation of femtosecond-laser–inscribed Er:Y2O3 ceramic channel waveguide

Nanophotonics, 2020
We report on an Er:Y2O3 ceramic channel waveguide laser operating at continuous-wave and passively Q-switched regimes, for the first time to the best of our knowledge.
Tian Qingyu, Yin Peng, Zhang Teng, Zhou Lunbin, Xu Bin, Luo Zhengqian, Liu Hongliang, Ge Yanqi, Zhang Jian, Liu Peng, Xu Xiaodong   +10 more
doaj   +1 more source

GaInSn liquid nanospheres as a saturable absorber for an Er:CaF2 laser at 2.75 μm

Frontiers in Physics, 2022
High-quality GaInSn liquid nanospheres are successfully fabricated by the ultrasonic method as a novel saturable absorber in the mid-infrared range. An open-aperture Z-scan technique is applied to study the saturation absorption property, presenting a ...
Bo Chen, Kuan Li, Yicheng Jin, Peifu Wang, Ning Zhang, Ke Zhang, Shande Liu, Jinlong Xu   +7 more
doaj   +1 more source

Tunable Q-Switched Fiber Laser Based on a Graphene Saturable Absorber Without Additional Tuning Element

IEEE Photonics Journal, 2019
A tunable passively Q-switched fiber laser is fabricated using a graphene saturable absorber. The graphene saturable absorber is composed of a tapered fiber coated with graphene nanosheets.
Renli Zhang, Jun Wang, Meisong Liao, Xia Li, Pei-Wen Kuan, Yinyao Liu, Yan Zhou, Weiqing Gao   +7 more
doaj   +1 more source

All-optical passive photonic diodes based on perovskite and transparent conducting oxide material

Results in Physics, 2023
Low dimensional perovskite emerging as a highly promising class of functional materials for semiconductor optoelectronic applications have drawn great attention.
Yanhua Xu, Jianbo Li, Jing Huang, Yuan He, Xiao Liu, Lupeng Zhao, Guodong Chen, Lili Miao   +7 more
doaj   +1 more source

Compact Passively Q-Switched Tm:KY(WO₄)₂ Laser

Приборы и методы измерений, 2022
Diode-pumped thulium lasers emitting in the spectral range near 2 μm are attractive for applications in different areas: surgery, rangefinding, and environmental atmosphere monitoring. In this article the latest results of Tm:KYW laser performance with a
V. E. Kisel
doaj   +1 more source

Theoretical Study of The Ratio A/As Effect on Saturable Absorber Performance of Passive Q-switched Tm+3 Doped Fiber Laser System

مجلة علوم ذي قار
       The effect of the ratio of active media effective area to the saturable absorber effective area (A/As) on saturable absorber performance has been studied  numerically for passive Q-switching fiber laser system doped with Tm+3 as an active ...
Tahani M . Hussein , Abdul - Kareem Mahdi Salih, M. Benhaliliba   +2 more
doaj   +1 more source

Passively Q-switched 2.79-μm Er, Cr: YSGG laser based on pure water saturable absorber

Frontiers in Physics
Exploring suitable saturable absorber materials for the 2.79 μm waveband is always a focus in passive Q-switching laser technology. Pure water exhibits excellent fluidity, high chemical stability, and outstanding thermal properties; notably, its recovery
Yinze Wang, Yinze Wang, Lei Huang, Lei Huang, Haolin Kong, Yueyun Zhang, Tingqing Cheng, Li Wang, Li Wang, Haihe Jiang, Haihe Jiang   +10 more
doaj   +1 more source

Tunable Gold Nanorods Q-Switcher for Pulsed Er-Doped Fiber Laser

IEEE Photonics Journal, 2017
We prepared the gold nanorods (GNRs) via seed-mediated growth method, and fabricated the fiber-compatible saturable absorption device with it. We found that the nonlinear absorption behavior of the fiber-compatible GNRs saturable absorber can be tuned by
Guobao Jiang, Yu Jin, Lili Miao, Lin Du, Zhe Kang, Bin Huang, Chujun Zhao, Shuangchun Wen   +7 more
doaj   +1 more source

Passively mode-locked diode-pumped surface-emitting semiconductor laser

, 2000
A surface-emitting semiconductor laser has been passively mode locked in an external cavity incorporating a semiconductor saturable absorber mirror. The gain medium consists of a stack of 12 InGaAs-GaAs strained quantum wells, grown above a Bragg mirror ...
Tropper, A.C., Morier-Genoud, F., F. Morier-Genoud, J. S. Roberts, Roberts, J.S., Garnache, A., A. C. Tropper, Keller, U., Paschotta, R., A. Garnache, Oesterle, U., S. Dhanjal, U. Oesterle, Dhanjal, S., Häring, R., R. Häring, R. Paschotta, S. Hoogland, U. Keller, Hoogland, S.   +19 more
core   +1 more source

Passively Q-switched Yb-doped fiber laser based on Ag nanoplates saturable absorber [PDF]

EPJ Web of Conferences, 2020
We experimentally investigated Ag nanoplates as saturable absorber for Q-switched pulse generation in an Yb-doped fiber laser. The pulse train repetition rate increases with the increase of the pump power. At the maximum pump power of 600 mW, the maximum
Wang Pan, Scardaci Vittorio
doaj   +1 more source