Image:Femtosecond pulse shapes.svg

From Wikipedia, the free encyclopedia

Image
File history
File links

Femtosecond_pulse_shapes.svg‎ (SVG file, nominally 500 × 500 pixels, file size: 25 KB)

[edit] Summary

Created by Han-Kwang. Gnuplot script to generate this image:

# By Han-Kwang Nienhuys, 19 Nov 2006
# These plots are just an illustration;
# the Fourier spectra are probably not exactly matched.
set samples 1000
gf(x) = exp(-2.77*x*x)
set nogrid
set xlabel 'time (arb. un.)'
set ylabel 'Electric field (arb. un.)'
set xra [-10:10]
set ytics 0.5
set format y ''
set nokey

set term svg size 500 500
set outp 'femtosecond_pulse_shapes.svg'
set yra [-1.05:5.15]

labx=-9.5
set label 1 'Bandwidth-limited pulse' at labx,4.3
set label 2 'Chirped pulse' at labx,2.30
set label 3 'Complex pulse' at labx,0.3

plot \
   4+0.95*sin(x*10)*gf(x/3) title 'Bandwidth-limited pulse', \
   2+0.95*sin(x*10*(1+0.05*x))*gf(x/7) title 'Chirped pulse', \
   0.95*sin(x*10*(1+0.05*x))*gf(x/7)*(0.5+0.5*cos(x*1.5)) title 'Complex pulse'

set nomulti
set outp

[edit] Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers.