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physics.optics2019
Optically active beams: non-reciprocal optical activity in free space induced by spin-orbital interaction of light
Sheng Liu, Shuxia Qi, Peng Li +9
Optical activity, the power of a medium to rotate the polarization of a light beam, has contributed significantly to molecular structure assessments in stereochemistry, biomolecula…
physics.optics2018
Evolution of orbital angular momentum in a soft quasi-periodic structure with topological defects
Wang Zhang, Jie Tang, Peng Chen +4
We propose a quasi-periodic structure (QPS) with topological defects. The analytical expression of the corresponding Fourier spectrum is derived, which reflects the combined effect…
physics.optics2018
Light Reconfigurable Geometric Phase Optical Element with Multi-stable States
Xiao-Qian Wang, Alwin Ming-Wai Tam, Wei-Qiang Yang +9
We present the design methodology of a light reconfigurable geometric phase optical element with multi-stable diffraction efficiency states, enabled by a photoresponsive self-organ…