Results 71 to 80 of about 11,312 (236)

High-quality delivery of high-power picosecond lasers in single-ring anti-resonant hollow-core fiber for micromachining

open access: yesHigh Power Laser Science and Engineering
We present the flexible delivery of picosecond laser pulses with up to 20 W average power over a 3-m-long sample of anti-resonant hollow-core fiber (AR-HCF) for laser-micromachining applications.
Xinshuo Chang   +14 more
doaj   +1 more source

2W/nm Peak-power All-Fiber Supercontinuum Source and its Application to the Characterization of Periodically Poled Nonlinear Crystals

open access: yes, 2007
We demonstrate a uniform high spectral brightness and peak power density all-fiber supercontinuum source. The source consists of a nanosecond Ytterbium fiber laser and an optimal length PCF producing a continuum with a peak power density of 2 W/nm and ...
B.A. Cumberland   +18 more
core   +1 more source

Surface Plasmon Scattering in Exposed Core Optical Fiber for Enhanced Resolution Refractive Index Sensing

open access: yesSensors, 2015
Refractometric sensors based on optical excitation of surface plasmons on the side of an optical fiber is an established sensing architecture that has enabled laboratory demonstrations of cost effective portable devices for biological and chemical ...
Elizaveta Klantsataya   +4 more
doaj   +1 more source

Fast and broadband fiber dispersion measurement with dense wavelength sampling

open access: yes, 2014
We report on a method to obtain dispersion measurements from spectral-domain low-coherence interferograms which enables high accuracy (~ps/(nm·km)), broadband measurements and the determination of very dense (up to 20 points/nm over 500 nm) data sets for
Feng, Xian   +6 more
core   +1 more source

All-fiber lasers through photonic crystal fibers

open access: yesNanophotonics, 2013
A review on all-fiber lasers based on photonic crystal fibers is presented. Photonic crystal fibers present improved features beyond what conventional optical fibers can offer.
Pinto Ana M.R., Lopez-Amo Manuel
doaj   +1 more source

Microstructured cladding elements to enhance performance and flexibility of large mode area leakage channel fibers

open access: yes
Large mode area fibers are imperative for scaling up the average power of fiber lasers. Single-mode behavior and low FM loss are the crucial functionalities for these fibers.
Baskiotis, C.   +3 more
core   +1 more source

Modelling of microstructured waveguides using a finite-element-based vectorial mode solver with transparent boundary conditions [PDF]

open access: yes, 2004
Finite element vectorial optical mode solver is used to analyze microstructured waveguides in a relatively small computational domain. The presentation will consider the computational method, as well as the applications of it on a number of waveguides ...
Groesen, E. van   +2 more
core   +1 more source

A near infrared frequency comb for Y+J band astronomical spectroscopy

open access: yes, 2012
Radial velocity (RV) surveys supported by high precision wavelength references (notably ThAr lamps and I2 cells) have successfully identified hundreds of exoplanets; however, as the search for exoplanets moves to cooler, lower mass stars, the optimum ...
Bender, Chad F.   +10 more
core   +1 more source

PROCESS METHODS WITH LOW LEVEL OF OPTICAL LOSSES FOR THE MICROSTRUCTURED FIBER LIGHT GUIDES [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2014
The paper deals with results of the technology process development for the microstructured fiber light guides. Light guides with one or two cycles of the openings, processed by two-phase technology were created during carried out research. The use of two
A. G. Korobeynikov   +3 more
doaj  

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