US 12,455,355 B2
Approaches, apparatuses and methods for LIDAR applications based on-mode-selective frequency conversion
Yuping Huang, Norwood, NJ (US); Yong Meng Sua, Fort Lee, NJ (US); and Amin Shahverdi, Chandler, AZ (US)
Assigned to The Trustees of the Stevens Institute of Technology, Hoboken, NJ (US)
Appl. No. 17/251,749
Filed by THE TRUSTEES OF THE STEVENS INSTITUTE OF TECHNOLOGY, Hoboken, NJ (US)
PCT Filed Jun. 13, 2019, PCT No. PCT/US2019/037088
§ 371(c)(1), (2) Date Dec. 11, 2020,
PCT Pub. No. WO2019/241582, PCT Pub. Date Dec. 19, 2019.
Claims priority of provisional application 62/684,697, filed on Jun. 13, 2018.
Prior Publication US 2021/0116543 A1, Apr. 22, 2021
Int. Cl. G01C 3/08 (2006.01); G01S 7/481 (2006.01); G01S 7/484 (2006.01); G01S 17/89 (2020.01); G02B 26/08 (2006.01); G02B 27/30 (2006.01); G02F 1/37 (2006.01)
CPC G01S 7/484 (2013.01) [G01S 7/4814 (2013.01); G01S 7/4816 (2013.01); G01S 7/4817 (2013.01); G01S 17/89 (2013.01); G02B 26/0833 (2013.01); G02B 27/30 (2013.01); G02F 1/37 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A system comprising:
a pulse generation unit configured to create probe signals and trigger a driving pump in synchronized waveforms having pulsed amplitude and phase profiles;
a collimation and scanning unit configured to collimate the probe signals, direct the probe signals towards a target, and collect backscattered signals of the probe signals;
a timing unit configured to temporally align the driving pump with the backscattered signals of the probe signals; and
a mode selective detection unit configured to perform mode-selective frequency conversion of the collected backscattered signals and detect the converted signals.