US 12,303,900 B2
Photoacoustic tweezers
Antoine Jean-Pierre Rene Riaud, Shanghai (CN); Qing Wang, Shanghai (CN); and Jia Zhou, Shanghai (CN)
Assigned to FUDAN UNIVERSITY, Shanghai (CN)
Appl. No. 17/617,545
Filed by FUDAN UNIVERSITY, Shanghai (CN)
PCT Filed Oct. 18, 2021, PCT No. PCT/CN2021/124323
§ 371(c)(1), (2) Date Dec. 8, 2021,
PCT Pub. No. WO2023/065064, PCT Pub. Date Apr. 27, 2023.
Prior Publication US 2024/0293815 A1, Sep. 5, 2024
Int. Cl. B01L 3/00 (2006.01); G01N 15/14 (2006.01); G01N 15/1404 (2024.01); G01N 15/1409 (2024.01)
CPC B01L 3/502761 (2013.01) [B01L 3/50273 (2013.01); G01N 15/1404 (2013.01); G01N 15/1409 (2024.01); G01N 15/1425 (2013.01); B01L 2200/0668 (2013.01); B01L 2400/0436 (2013.01); G01N 2015/1415 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for trapping and manipulating particles, comprising:
generating a weak acoustic wave and a strong acoustic wave through driving a bimodal transducer wherein
the strong acoustic wave behaving as a gain medium amplifies the acoustic radiation force of the weak acoustic wave to achieve particle trapping and manipulation;
wherein the strong acoustic wave has a larger amplitude than the weak acoustic wave.