2 papers
physics.optics2017
Sensitivity of Displacement Detection for a Particle Levitated in the Doughnut Beam
Lei-Ming Zhou, Ke-Wen Xiao, Zhang-Qi Yin +2
Displacement detection of a sphere particle in focused laser beams with quadrant photodetector (QPD) provides a fast and high precision way to determine the particle location. In c…
physics.optics2016
Optical Levitation of Nanodiamonds by Doughnut Beams in Vacuum
Lei-Ming Zhou, Ke-Wen Xiao, Jun Chen +1
Optically levitated nanodiamonds with nitrogen-vacancy centers promise a high-quality hybrid spin-optomechanical system. However, the trapped nanodiamond absorbs energy form laser…