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Ultrafast lasers for attosecond science [PDF]

open access: yesLight: Science & Applications
The first measurement of attosecond pulses in 2001 unleashed a new wave of exploration in the microcosmic world. The pulse width has since shrunk from an initial 650 to 43 as, and the flux, photon energy, and repetition rates have progressively been ...
Xijie Hu   +4 more
doaj   +2 more sources

Research Progress of Passively Mode-Locked Fiber Lasers Based on Saturable Absorbers [PDF]

open access: yesNanomaterials
Ultrashort fiber lasers are one of the current research hotspots in the field of lasers. They have the advantages of compact structure and high beam quality.
Jiayi Xie   +4 more
doaj   +2 more sources

Orthopedics-Related Applications of Ultrafast Laser and Its Recent Advances

open access: yesApplied Sciences, 2022
The potential of ultrafast lasers (pico- to femtosecond) in orthopedics-related procedures has been studied extensively for clinical adoption. As compared to conventional laser systems with continuous wave or longer wave pulse, ultrafast lasers provide ...
Celina L. Li   +3 more
doaj   +1 more source

Higher harmonics and supercontinuum generated from the Kerr response time in different states of matter from a universal electromagnetic model

open access: yesScientific Reports, 2023
There is a need for a universal model to describe higher harmonic generation (HHG) in different states of matter. Based on an electromagnetic model (EM), the generation of odd higher harmonic (HHG) and supercontinuum (SC) from intense fs and ps pulses ...
Robert R. Alfano, Shah Faisal B. Mazhar
doaj   +1 more source

Ultrafast Fiber Technologies for Compact Laser Wake Field in Medical Application

open access: yesPhotonics, 2022
Technologies, performances and maturity of ultrafast fiber lasers and fiber delivery of ultrafast pulses are discussed for the medical deployment of laser-wake-field acceleration (LWFA).
Weijian Sha   +2 more
doaj   +1 more source

Caging of vibrational energy transfer and interactions in binary mixed solvents probed from Raman scattering linewidth

open access: yesResults in Physics, 2023
The research focuses on Raman effects from vibrational interactions for mixed solute and solvent in binary mixed liquid for vibrational exchange from anharmonic interactions from three and four body collisions of mixed solvents from shields and cages ...
Richard Brun Jr   +2 more
doaj   +1 more source

Rotation Active Sensors Based on Ultrafast Fibre Lasers

open access: yesSensors, 2021
Gyroscopes merit an undeniable role in inertial navigation systems, geodesy and seismology. By employing the optical Sagnac effect, ring laser gyroscopes provide exceptionally accurate measurements of even ultraslow angular velocity with a resolution up ...
Igor Kudelin   +2 more
doaj   +1 more source

Crystalline waveguides with carbon nanomaterials for miniaturized pulsed lasers - INVITED [PDF]

open access: yesEPJ Web of Conferences, 2023
This presentation discusses the recent results on miniaturized pulsed solid-state lasers by utilizing femtosecond-laser inscribed crystalline channel waveguides and carbon-nanomaterial-based saturable absorbers.
Bae Ji Eun, Rotermund Fabian
doaj   +1 more source

Distinct Cellular Profiles of Hif1a and Vegf mRNA Localization in Microglia, Astrocytes and Neurons during a Period of Vascular Maturation in the Auditory Brainstem of Neonate Rats

open access: yesBrain Sciences, 2021
Defining the relationship between vascular development and the expression of hypoxia-inducible factors (Hifs) and vascular endothelial growth factor (Vegf) in the auditory brainstem is important to understand how tissue hypoxia caused by oxygen shortage ...
Daphne Chang   +6 more
doaj   +1 more source

Carbon nanotube mode-locked fiber lasers: recent progress and perspectives

open access: yesNanophotonics, 2020
Carbon nanotubes (CNTs) possess remarkable nonlinear optical properties; a particular application is to function as a mode locker used in ultrafast fiber lasers to produce ultrashort optical pulses.
Dai Lilong   +7 more
doaj   +1 more source

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