Abstract
We report a new diffractive beam shaper that transforms an incident Gaussian beam into a pseudo-nondiffracting beam with a relatively flat on-axis intensity distribution in the propagation range. The compact single-element beam shaper with a quasicontinuous phase structure demonstrated beam-forming efficiency of 87.5%. The effects of misalignment and beam size error on beam-forming quality are also addressed.
| Original language | English |
|---|---|
| Pages (from-to) | 517-524 |
| Number of pages | 8 |
| Journal | Optical Engineering |
| Volume | 40 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Apr 2001 |
| Externally published | Yes |
Keywords
- Beam shaping
- Diffractive optical elements
- Gray-level mask
- Nondiffracting beam
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- General Engineering
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