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- Title
Generation and control of Bessel beams based on annular reflections.
- Authors
Wang, Yongdong; Qu, Weijuan; Jiao, Lishi; Zhang, Yilei
- Abstract
A straightforward but powerful method to generate Bessel beams with continuous control of spot size, intensity and non-diffraction zone length has been successfully developed and verified based on annular reflections using a digital micromirror device (DMD). Reflective circular ring patterns were loaded in a DMD placed in the focal point of a converging lens to generate Bessel beams with tremendous flexibility and control. A Mach-Zehnder interferometer method was applied to reconstruct the wavefront of the generated beam to prove the successful generation of the Bessel beam. This simple but powerful method has great potential in many applications, such as imaging and particle manipulation.
- Subjects
BESSEL beams; MICROMIRROR devices; DIFFRACTION patterns; INTERFEROMETERS; FOCUS (Optics); CONVERGING lenses
- Publication
Applied Physics B: Lasers & Optics, 2015, Vol 119, Issue 2, p241
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-015-6050-z