US 11,698,460 B2
Ultrafast laser beam steering using frequency-arrayed optics
Amr Mohammad E. A. Shaltout, Stanford, CA (US); Vladimir M. Shalaev, West Lafayette, IN (US); and Mark L. Brongersma, Redwood City, CA (US)
Assigned to Purdue Research Foundation, West Lafayette, IN (US); and BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, Stanford, CA (US)
Appl. No. 16/605,902
Filed by Purdue Research Foundation, West Lafayette, IN (US); and THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, Stanford, CA (US)
PCT Filed Apr. 17, 2018, PCT No. PCT/US2018/027945
§ 371(c)(1), (2) Date Oct. 17, 2019,
PCT Pub. No. WO2019/018035, PCT Pub. Date Jan. 24, 2019.
Claims priority of provisional application 62/486,433, filed on Apr. 17, 2017.
Prior Publication US 2020/0081099 A1, Mar. 12, 2020
Int. Cl. G01S 17/89 (2020.01); G01S 7/481 (2006.01)
CPC G01S 17/89 (2013.01) [G01S 7/4814 (2013.01); G01S 7/4817 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A laser beam steering system, comprising:
a laser source which produces a pulsed laser light beam with a frequency comb spectrum;
a metasurface configured to i) directly receive the pulsed laser, ii) directly generate a diffracted pulsed laser output at different frequencies with a beam at a center frequency normal to the metasurface; and iii) directly direct the directly generated diffracted pulsed laser output onto different foci at a focal plane,
light propagating from the focal plane leads to generation of one or more optical beams that are controlled in space and time.