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Four-petal Gaussian beams and their propagation

✍ Scribed by Kailiang Duan; Baida Lü


Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
437 KB
Volume
261
Category
Article
ISSN
0030-4018

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Modified hollow Gaussian beam and its pa
✍ Yangjian Cai; Chiyi Chen; Fei Wang 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 537 KB

A model named modified hollow Gaussian beam (HGB) is proposed to describe a dark hollow beam with adjustable beam spot size, central dark size and darkness factor. In this modified model, both the beam spot size and the central dark size will be convergent to finite constants as the beam order appro