G03H2001/0077

System, method, and apparatus for digital holographic vibration imaging with integrated system phase correction

An example system includes a master oscillator that provides a master oscillator beam, a first fiber beam splitter that splits the master oscillator beam into a first branch and a second branch, a second fiber beam splitter that splits the first branch into an imaging branch and an amplified characteristic branch, and a compensation branch mixer that mixes the second branch and the amplified characteristic branch into a compensation branch. The example system includes transmission optics that direct the imaging branch to a target location, an imaging mixer that mixes the compensation branch and a reflected image from the target location into an imaging signal, and an acquisition device that receives the imaging signal as a final image. An example system optionally includes a mode matching lens that applies a selected wavefront characteristic to the compensation branch.

Reconfigurable counterpropagating holographic optical tweezers with low-NA lens

A holographic optical tweezers for manipulating a micro- or nano-size particle, the optical tweezers including a light source configured to emit first and second light beams; a light focusing apparatus configured to focus the first and second light beams to generate focused light beams, which create optical forces; and a trapping assembly configured to receive the first and second focused light beams and form a trap for holding the particle with the optical forces. The trapping assembly includes first and second micromirrors attached to a microscope coverslip.

Multiple laminar flow-based particle and cellular separation with laser steering

The invention provides a method, apparatus and system for separating blood and other types of cellular components, and can be combined with holographic optical trapping manipulation or other forms of optical tweezing. One of the exemplary methods includes providing a first flow having a plurality of blood components; providing a second flow; contacting the first flow with the second flow to provide a first separation region; and differentially sedimenting a first blood cellular component of the plurality of blood components into the second flow while concurrently maintaining a second blood cellular component of the plurality of blood components in the first flow. The second flow having the first blood cellular component is then differentially removed from the first flow having the second blood cellular component. Holographic optical traps may also be utilized in conjunction with the various flows to move selected components from one flow to another, as part of or in addition to a separation stage.

Binocular image alignment for near-eye display
10178378 · 2019-01-08 · ·

A near-eye display device comprises a left-eye optical system and a right-eye optical system. Each of the left-eye optical system and the right-eye optical system comprises a holographic optical component positioned in a field of view of a user eye, an image source configured to emit imaging light, and an alignment optical component, wherein projection beam path between the image source and the light-deflecting optical component and an alignment beam path between the alignment optical component and the light-deflecting component share a common optical path.

APPARATUS AND METHOD FOR CREATING A HOLOGRAPHIC ULTRASOUND FIELD IN AN OBJECT
20180341221 · 2018-11-29 ·

An ultrasonic apparatus (100) for creating a holographic ultrasound field (1) comprises an ultrasound source device (10) being adapted for creating an ultrasound wave, and a transmission hologram device (20) having a transmission hologram (21) and an exposed acoustic emitter surface (22), said transmission hologram device (20) being acoustically coupled with the ultrasound source device (10) and being arranged for transmitting the ultrasound wave through the acoustic emitter surface (22) and creating the holographic ultrasound field in a surrounding space, wherein the acoustic emitter surface (22) is a smooth surface which do not influence the field distribution of the ultrasound wave. Furthermore, a method of creating a holographic ultrasound field in an object (3), wherein the ultrasonic apparatus (100) is used, and applications of the ultrasonic apparatus (100) are described.

Navigation application providing supplemental navigation information
10088328 · 2018-10-02 · ·

Navigation applications may utilize various input data to determine various navigation routes. One example method of operating may include providing at least one navigation instruction to a navigation device via a navigation application, detecting the at least one instruction via a detection application, obtaining an image of a physical object, performing a holo-acoustic object manipulation of the physical object, and providing a visual display of the holo-acoustic manipulation as an additional navigation instruction.

Multiple laminar flow-based particle and cellular separation with laser steering

The invention provides a method, apparatus and system for separating blood and other types of cellular components, and can be combined with holographic optical trapping manipulation or other forms of optical tweezing. One of the exemplary methods includes providing a first flow having a plurality of blood components; providing a second flow; contacting the first flow with the second flow to provide a first separation region; and differentially sedimenting a first blood cellular component of the plurality of blood components into the second flow while concurrently maintaining a second blood cellular component of the plurality of blood components in the first flow. The second flow having the first blood cellular component is then differentially removed from the first flow having the second blood cellular component. Holographic optical traps may also be utilized in conjunction with the various flows to move selected components from one flow to another, as part of or in addition to a separation stage.

OPTICALLY TRAPPED ATOM TRANSFER TWEEZER THROUGH HOLOGRAM AND METHOD USING THE SAME

An optically trapped atom transfer tweezer may be provided that includes: an optical modulator which modulates incident light and generates a first hologram; a first lens which images the first hologram on an intermediate image plane and generates a first holographic image having any potential shape; a second lens which re-images the first holographic image on an entrance pupil of a third lens; the third lens which re-images a second hologram generated by the re-imaging of the second lens on a plane where an optically trapped atom array exists; a photographing device which captures optically trapped cold atoms from a second holographic image generated on the plane where an optically trapped atom array exists; and a controller which controls the optical modulator to adjust the second holographic image on the basis of the optically trapped atom image captured by the photographing device. As a result of this, the optically trapped atom array can be easily transferred to any position.