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- Cai, YangjianKTH,Elektroteknisk teori och konstruktion (author)
Analytical formula for a decentered elliptical Gaussian beam propagating in a turbulent atmosphere
- Article/chapterEnglish2007
Publisher, publication year, extent ...
- Elsevier BV,2007
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-36041
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-36041URI
- https://doi.org/10.1016/j.optcom.2006.10.045DOI
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- Language:English
- Summary in:English
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Notes
- QC 20110706
- Analytical formulas for the average intensity and decentered parameter of a decentered elliptical Gaussian beam (DEGB) propagating in a turbulent atmosphere are derived in a tensor form. The propagation properties of a DEGB in a turbulent atmosphere are investigated in detail, and found to be different from that in free space. Furthermore, as an application example, we investigate the propagation of a decentered elliptical flat-topped beam (DEFB) by expressing its electric field as a finite sum of DEGBs in a turbulent atmosphere. The properties of a DEGB or a DEFB in a turbulent atmosphere are closely related with the beam's parameters and the structure constant of the turbulent atmosphere.
Subject headings and genre
- NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
- NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
- FLAT-TOPPED PROFILES
- SCHELL-MODEL BEAMS
- LASER-BEAMS
- AVERAGE INTENSITY
- OPTICAL-SYSTEMS
- LIGHT-BEAMS
- Optical physics
- Optisk fysik
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- Ge, Di (author)
- KTHElektroteknisk teori och konstruktion (creator_code:org_t)
Related titles
- In:Optics Communications: Elsevier BV271:2, s. 509-5160030-40181873-0310
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