Invention Grant
US07656592B2 Optical system having aberrations for transforming a Gaussian laser-beam intensity profile to a quasi-flat-topped intensity profile in a focal region of the optical system
有权
具有用于将高斯激光束强度分布变换为光学系统的焦点区域中的准平顶强度分布的像差的光学系统
- Patent Title: Optical system having aberrations for transforming a Gaussian laser-beam intensity profile to a quasi-flat-topped intensity profile in a focal region of the optical system
- Patent Title (中): 具有用于将高斯激光束强度分布变换为光学系统的焦点区域中的准平顶强度分布的像差的光学系统
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Application No.: US11567614Application Date: 2006-12-06
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Publication No.: US07656592B2Publication Date: 2010-02-02
- Inventor: George Frangineas
- Applicant: George Frangineas
- Applicant Address: US CA Mountain View
- Assignee: Reliant Technologies, Inc.
- Current Assignee: Reliant Technologies, Inc.
- Current Assignee Address: US CA Mountain View
- Agency: Wood, Herron & Evans, LLP
- Main IPC: G02B9/00
- IPC: G02B9/00 ; G02B13/18 ; H01S3/10 ; B23K26/06
Abstract:
An optical system is configured for projecting an image having a quasi-flat-topped intensity profile from a laser-beam having a Gaussian intensity profile. The optical system includes a diffraction limited lens for focusing the laser beam and one or more optical elements that introduce aberration into the beam before the beam is focused. The aberration introduced causes the Gaussian intensity profile to be changed to the quasi-flat-topped intensity profile at some position in a focal region of the diffraction-limited lens.
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