Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10641185 | Optics Communications | 2011 | 4 Pages |
Abstract
⺠Incidence light is the one with radial polarization. ⺠Phase-encoding, amplitude modulation and combination of dual-beams is utilized. ⺠A focal spot with ultra-long depth of focus is generated. ⺠This focal spot also possesses a size of sub-half-wavelength radius.
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Cuifang Kuang, Xiang Hao, Xu Liu, Tingting Wang, Yulong Ku,