"Optical Manipulation and Structured Materials Conference," Proc. SPIE 11141, Optical Manipulation and Structured Materials Conference, 1114101 (21 April 2019); doi: 10.1117/12.2535563 Event: Optics and Photonics International Congress, 2019, Yokohama, Japan;SPIEDigitalLibrary.org/conference-proceedings-of-spie