Analytical solutions for the electromagnetic fields of tightly focused laser beams of arbitrary pulse length
Optics Letters, Vol. 31, Issue 17, pp. 2589-2591 (2006)
http://dx.doi.org/10.1364/OL.31.002589
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Abstract
The analytical solution for a monochromatic focused laser beam was recently published [
Opt. Lett.
31, 1447 (2006)
]. The effect of introducing bandwidth by including a finite-length temporal pulse envelope is included exactly. This is done formally first in the frequency domain for an arbitrary pulse shape, and the specific case of a cosine-squared envelope is then solved analytically for all pulse lengths, thereby decreasing the computation time by 2 orders of magnitude. The inclusion of longer wavelengths reduces the fraction of laser energy in the focus from 86.5% to 83.5% for a
© 2006 Optical Society of America
OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(140.7090) Lasers and laser optics : Ultrafast lasers
(260.2110) Physical optics : Electromagnetic optics
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: May 10, 2006
Revised Manuscript: June 2, 2006
Manuscript Accepted: June 12, 2006
Published: August 9, 2006
Citation
Scott M. Sepke and Donald P. Umstadter, "Analytical solutions for the electromagnetic fields of tightly focused laser beams of arbitrary pulse length," Opt. Lett. 31, 2589-2591 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-17-2589
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