Coherent receiver for free space optical communications and lidar
An optical receiver is provided that includes a detector array of multiple detector elements,
and processing circuits coupled to the multiple detector elements. The detector array is …
and processing circuits coupled to the multiple detector elements. The detector array is …
Wavefront correction for beam shaping
Y Lu, Y Wang - US Patent 12,146,993, 2024 - Google Patents
An apparatus for detecting an incoming laser beam with a photodetector is described. A
beam splitter is mounted to receive the incoming laser beam after correction by a wavefront …
beam splitter is mounted to receive the incoming laser beam after correction by a wavefront …
Interrogation of arrays of equally spaced weak reflectors in optical fibers
(57) ABSTRACT A method includes generating a sequence of multiple optical pulses, for
transmission into an optical fiber (12) having an array of multiple equally spaced reflectors …
transmission into an optical fiber (12) having an array of multiple equally spaced reflectors …
Control light intensity through scattering media with speckle intensity sequencing
Optical wavefront shaping has been the standard technique to control light through
scattering media. Implicit in this dominance is the assumption that knowledge of the optical …
scattering media. Implicit in this dominance is the assumption that knowledge of the optical …