Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10409832 | Optics & Laser Technology | 2005 | 5 Pages |
Abstract
Based on the encircled-power criterion, the focal shift of off-axial Hermite-cosh-Gaussian beams passing through an apertured lens is studied and illustrated with detailed numerical examples. The dependence of focal shift on the beam and optical system parameters is discussed.
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Authors
Zhangrong Mei, Daomu Zhao, Juguang Gu, Haidan Mao,