Filamentation of high-power femtosecond laser radiation

VP Kandidov, SA Shlenov, OG Kosareva - Quantum Electronics, 2009 - iopscience.iop.org
The state of the art of investigations on filamentation of a high-power femtosecond laser
radiation in transparent media is reviewed. The physical picture of this phenomenon is …

Femtosecond continuum generation in bulk laser host materials with sub-μJ pump pulses

M Bradler, P Baum, E Riedle - Applied Physics B, 2009 - Springer
We report a comprehensive investigation of femtosecond continuum generation in single
crystals of several common laser host materials. The absolute spectral energy density, pulse …

Ultrabroadband supercontinuum generation from ultraviolet to 6.28 μm in a fluoride fiber

G Qin, X Yan, C Kito, M Liao, C Chaudhari… - Applied Physics …, 2009 - pubs.aip.org
Ultrabroadband supercontinuum light expanding from ultraviolet to 6.28 μ m is generated in
a centimeter-long fluoride fiber pumped by a 1450 nm femtosecond laser. The spectral …

Dynamics of femtosecond supercontinuum generation in multimode fibers

F Poletti, P Horak - Optics Express, 2009 - opg.optica.org
We solve a system of generalized nonlinear Schr¨ odinger equations to study the nonlinear
dynamics of ultrashort pulse propagation in multimode fibers. Due to pulse walk-off …

A genetic algorithm based approach to fiber design for high coherence and large bandwidth supercontinuum generation

WQ Zhang, S Afshar, TM Monro - Optics express, 2009 - opg.optica.org
We present a new approach to the design of optical microstructured fibers that have group
velocity dispersion (GVD) and effective nonlinear coefficient (γ) tailored for supercontinuum …

Ultraviolet-visible conical emission by multiple laser filaments

P Maioli, R Salamé, N Lascoux, E Salmon, P Béjot… - Optics …, 2009 - opg.optica.org
We characterized the angular distribution of the supercontinuum emission from multiple
infrared laser filaments propagating in air over long distances, from the infrared (1080 nm) to …

[图书][B] Ultra-fast material metrology

A Horn - 2009 - books.google.com
This book is the first to describe novel measurement techniques of processes during laser-
matter interaction using ultra-fast lasers. Targeted at both engineers and physicists, initial …

Nonlinear photoionization and laser-induced damage in silicate glasses by infrared ultrashort laser pulses

LA Siiman, J Lumeau, LB Glebov - Applied Physics B, 2009 - Springer
We show that photoionization of wide band gap silicate glasses by infrared ultrashort laser
pulses can occur without laser-induced damage. Two glasses are studied, fused silica and a …

Highly functional all-optical control using ultrafast nonlinear effects in optical fibers

N Nishizawa - IEEE journal of quantum electronics, 2009 - ieeexplore.ieee.org
Using the optical fibers and ultrashort pulses, we can demonstrate highly functional optical
control. We have succeeded in generation of low-noise, ultraflat, high-quality …

Small-scale self-focusing

AJ Campillo - Self-focusing: Past and Present: Fundamentals and …, 2009 - Springer
At high enough power, a beam propagating in a positive n 2 material will spontaneously
break up into multiple filaments as a result of a transverse modulational instability. This …