Abstract
A light pipe based laser beam shaper is proposed as a low loss approach to transfer a Gaussian laser beam into a long line beam with uniform distribution along the line direction for the applications of illumination or material processing. A telecentric relay optics has been used for solving the radiometric issues in the wide angle optics. In addition, the length of the light pipe is used as a parameter for manipulating irradiance distribution at the outlet to compensate for the non-uniformity resulting from the partial reflection at the optical interface in the relay optics, so as to achieve a highly uniform line beam at the target plane. The proposed scheme provides an economical and versatile solution for the wide angle beam shaping problem.
Original language | English |
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Pages (from-to) | 231-235 |
Number of pages | 5 |
Journal | Optical Review |
Volume | 14 |
Issue number | 4 |
DOIs | |
State | Published - 1 Jul 2007 |
Keywords
- Laser beam shaping
- Light pipe