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Title: OPTICAL WAVEPACKETS (OPTICAL BULLETS): A NEW DIFFRACTION FREE FORM OF LIGHT TRAVEL

Abstract

This is the final report of a three-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). We conducted studies of the propagation of self-confined packets of light or ''Optical Bullets'' through air. These packets are self-forming and require no active optics. At the present time, theoretical explanations provide an incomplete description of this process. Generation of these pulses requires a light source of sufficient energy and with a short enough pulse-width that the intensity exceeds a critical wavelength dependent value. We used a Ti:Sapphire based system to generate the pulses and we observed pulse-splitting and chirp-dependent control of the formation of these filaments. In addition, we developed a novel algorithm for extracting the phase and electric field of these pulses using Frequency Resolved Optical Gating coupled to genetic algorithms for pulse retrieval.

Authors:
; ;
Publication Date:
Research Org.:
Los Alamos National Lab., NM (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
768225
Report Number(s):
LA-UR-99-2338
TRN: AH200123%%324
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 1 Sep 1999
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; AIR; ALGORITHMS; DIFFRACTION; ELECTRIC FIELDS; GENETICS; LANL; LIGHT SOURCES; OPTICS; WAVELENGTHS

Citation Formats

D. FUNK, J. NICHOLSON, and ET AL. OPTICAL WAVEPACKETS (OPTICAL BULLETS): A NEW DIFFRACTION FREE FORM OF LIGHT TRAVEL. United States: N. p., 1999. Web. doi:10.2172/768225.
D. FUNK, J. NICHOLSON, & ET AL. OPTICAL WAVEPACKETS (OPTICAL BULLETS): A NEW DIFFRACTION FREE FORM OF LIGHT TRAVEL. United States. doi:10.2172/768225.
D. FUNK, J. NICHOLSON, and ET AL. Wed . "OPTICAL WAVEPACKETS (OPTICAL BULLETS): A NEW DIFFRACTION FREE FORM OF LIGHT TRAVEL". United States. doi:10.2172/768225. https://www.osti.gov/servlets/purl/768225.
@article{osti_768225,
title = {OPTICAL WAVEPACKETS (OPTICAL BULLETS): A NEW DIFFRACTION FREE FORM OF LIGHT TRAVEL},
author = {D. FUNK and J. NICHOLSON and ET AL},
abstractNote = {This is the final report of a three-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). We conducted studies of the propagation of self-confined packets of light or ''Optical Bullets'' through air. These packets are self-forming and require no active optics. At the present time, theoretical explanations provide an incomplete description of this process. Generation of these pulses requires a light source of sufficient energy and with a short enough pulse-width that the intensity exceeds a critical wavelength dependent value. We used a Ti:Sapphire based system to generate the pulses and we observed pulse-splitting and chirp-dependent control of the formation of these filaments. In addition, we developed a novel algorithm for extracting the phase and electric field of these pulses using Frequency Resolved Optical Gating coupled to genetic algorithms for pulse retrieval.},
doi = {10.2172/768225},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {9}
}