Nonlinear microscope objective using thin layer of organic dye for optical tweezersQuy Ho Quang, Thanh Thai Doan, Tuan Doan Quoc, Viet Do Thanh, Kien Bui Xuan, Le Ly Nguyen and Thang Nguyen ManhEur. Phys. J. D, 74 3 (2020) 52DOI: https://doi.org/10.1140/epjd/e2020-100520-7