Three-dimensional vectorial multifocal arrays created by pseudo-period encoding

LETO / LETO-3 Spatial Light Modulators
Beam Shaping / Beam Steering Complex Modulation Digital-/ Computer Holography/ CGH
Published on:
Authors: Tingting Zeng and Chenliang Chang and Zhaozhong Chen and Hui-Tian Wang and Jianping Ding
Abstract:

“Multifocal arrays have been attracting considerable attention recently owing to their potential applications in parallel optical tweezers, parallel single-molecule orientation determination, parallel recording and multifocal multiphoton microscopy. However, the generation of vectorial multifocal arrays with a tailorable structure and polarization state remains a great challenge, and reports on multifocal arrays have hitherto been restricted either to scalar focal spots without polarization versatility or to regular arrays with fixed spacing. In this work, we propose a specific pseudo-period encoding technique to create three-dimensional (3D) vectorial multifocal arrays with the ability to manipulate the position, polarization state and intensity of each focal spot. We experimentally validated the flexibility of our approach in the generation of 3D vectorial multiple spots with polarization multiplicity and position tunability.”

Restricted Access

Publication: Journal of Optics
Issue/Year: Journal of Optics, Volume 20, Number 6
DOI: 10.1088/2040-8986/aac1de
Link: https://doi.org/10.1088/2040-8986/aac1de

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