68 results about "Dextrorotatory" patented technology

The invention provides a chiral super-structure surface and a dynamic regulation and control method for circular dichroism of the chiral super-structure surface, and belongs to the technical field of micro-nano optics. The chiral metasurface can perform differential absorption on vertically incident left-handed circularly polarized light and right-handed circularly polarized light. The chiral metasurface comprises: a substrate layer; the optical waveguide layer is arranged on the substrate layer; the nano structure layer is arranged on the optical waveguide layer and comprises a plurality of Z-shaped nano units which are periodically arranged in a square shape; and the hydrogel layer is arranged on the optical waveguide layer and the plurality of Z-shaped nano units and is used for dynamically regulating and controlling the circular dichroism of the chiral super-structure surface when the environment humidity changes. Under the condition that high circular dichroism of the chiral super-structure surface is achieved, the circular dichroism of the chiral super-structure surface is made to move when the environment humidity changes, and therefore the circular dichroism of the chiral super-structure surface is dynamically regulated and controlled.

The invention relates to the technical field of solid-liquid interfaces and liquid drop movement and control, in particular to a method and device for achieving left-right controllable spontaneous rotation of liquid drops based on light induction, and the method comprises the following steps that acid liquid drops containing photoacid are dropwise added to the surface of liquid metal; a light source system is adopted to irradiate liquid drops on one side of the liquid drops, the liquid drops are induced to locally release non-uniform H < + > ions, and interface chemistry is initiated to generate gradient change distribution; the light intensity generated by the light source system promotes the formation of asymmetric tension distribution on the liquid drop and liquid metal interface, and drives the liquid drop to rotate along a preset direction; and by changing the irradiation position, the liquid drops can be switched between left rotation and right rotation. According to the present invention, by using the mechanism of combining the interface Marangoni effect and the light-induced acidity regulation and control, the stable and rapid spinning behavior of the liquid drop can be represented by adjusting the position, the irradiation time and the irradiation intensity of the illumination region, and the rotation direction can be reversibly switched between the left rotation and the right rotation.

The invention discloses a three-dimensional asymmetric photonic crystal laser and a preparation method thereof. An epitaxial structure of the three-dimensional asymmetric photonic crystal laser comprises an N-type electrode, an N-type InP substrate, an N-type Al < x > < 1 > In < 1-x > < 1 > As upper limiting layer, a quantum well active region, a P-type Al < y > < 1 > In < 1-y > < 1 > As electron barrier layer, a P-type Ga < z > < 1 > In < 1-z > < 1 > Asz < 2 > P < 1-z > 2 functional layer, a P-type Al < x > < 2 > In < 1-x > < 2 > As lower limiting layer, a P-type InP connecting layer, a bottom insulating layer and a P-type electrode, wherein a three-dimensional asymmetric photonic crystal is etched on the P-type GaInAsP functional layer, and a chiral characteristic is introduced by destroying the symmetry of the photonic crystal, so that the P-type GaInAsP functional layer vertically emits a single-mode light beam with left-handed or right-handed circular polarization. By designing an asymmetric photonic crystal structure, efficient output of circularly polarized light beams is achieved, polarization selectivity and light beam quality are remarkably improved, and the advantages of low divergence angle and high light beam stability are achieved.

The present application relates to the technical field of organic synthesis, and particularly relates to a method for preparing (+)-crispine A by means of biological enzyme resolution. First, 6,7-dimethoxy-3,4-dihydroisoquinoline-2-oxide is subjected to 1,3-dipolar cycloaddition with allyl alcohol to obtain a first compound; then the first compound is added into a sulfonylation reagent and zinc powder to obtain a racemate second compound through a three-step continuous series reaction of primary alcohol sulfonylation, nitrogen-oxygen bond cleavage and ring formation; then the second compound is mixed with vinyl acetate and biological enzyme, and chiral resolution is carried out under the action of the biological enzyme to obtain a third compound with right-handed optical rotation and a fourth compound with left-handed optical rotation; finally, the third compound is mixed with an alkaline reagent and a sulfonylation reagent, and then secondary alcohol sulfonylation is carried out to obtain a fifth compound with right-handed optical rotation; the fifth compound is mixed with a deoxidizing reagent to carry out deoxidation reaction, and (+)-crispine A is prepared. The method is simple, green and environmentally friendly, and can be produced in large quantities.

The invention provides an optical mixer based on metasurface integration and a preparation method thereof, and belongs to the field of mixers. The mixer comprises a circularly polarized light beam splitter which comprises a first substrate, a liquid crystal structure, a second substrate and a nanorod array which are stacked in sequence; the nanorod array is used for separating the signal light and the local oscillation light into signal light left-handed rotation light, signal light right-handed rotation light, local oscillation light left-handed rotation light and local oscillation light right-handed rotation light; the liquid crystal structure is used for regulating and controlling the initial phases of the output left-handed light and right-handed light; the first multimode interference coupler is used for receiving and mixing the signal light left-rotation light output by the circularly polarized light beam splitter with the local oscillation light left-rotation light to obtain four paths of left-rotation polarized light components with different phases; and the second multimode interference coupler is used for receiving and mixing the right-handed light of the signal light output by the circularly polarized light beam splitter with the right-handed light of the local oscillation light to obtain four paths of right-handed polarized light components with different phases.

This invention discloses an α-indolylpyrrolo[1,2-a]indole derivative and its preparation method. The derivative is a levorotatory or dextrorotatory optically active form or racemate with the following structural formula: The preparation involves using α-indolylpropynyl alcohols and indole compounds as raw materials, and 3,5-bis(trifluoromethyl)phenylbinaphthylphosphonic acid as a catalyst, reacting in an organic solvent to obtain the α-indolylpyrrolo[1,2-a]indole derivative. This invention utilizes an organophosphate-catalyzed tandem reaction of two components to synthesize the α-indolylpyrrolo[1,2-a]indole derivative. The reaction conditions are mild, the process is simple, and the operation is convenient. The obtained product is the core skeleton of the indole bases of the natural products isoborreverine and dimethyl isoborreverine, which is of great significance for the synthesis of analogs of these natural products.

The invention discloses a preparation method and application of a double-layer composite film with circularly polarized light (CPL) characteristics, and belongs to the technical field of optical materials. According to the invention, a double-layer composite film for finely dividing an optical functional area is designed, a micron-sized fluorescent material is deposited on the bottom layer of the film and is only used for photoluminescence, and cellulose nanocrystals (CNC) are compounded above the fluorescent layer and are only used as an optical filter for selectively transmitting right-handed circularly polarized fluorescence; by controlling the volume of the CNC solution, a thin film with a high asymmetry factor (Glum) and an adjustable Glum factor is obtained. The preparation method breaks through the size limitation that only nanoscale fluorescent powder can be blended with CNC (computer numerical control) to obtain circularly polarized light fluorescent powder in the prior art, greatly expands the selection range of optical inactive materials for obtaining circularly polarized light, is simple and convenient to prepare and operate, is green and environment-friendly, is beneficial to actual production, and is expected to promote the progress of optical anti-counterfeiting.

The application discloses a waveguide device, a near-eye display system and a near-eye display method for improving light efficiency, and belongs to the technical field of waveguide diffraction. The waveguide device for improving light efficiency comprises two polarized light processors, which are used for receiving mutually orthogonal first polarized light and second polarized light, wherein one of the first polarized light and the second polarized light is left-handed polarized light, and the other is right-handed polarized light; the polarized light processor is used for coupling in the first polarized light and transmitting the second polarized light, and coupling out the first polarized light after converting the first polarized light into the second polarized light; an intermediate phase modulation element is arranged between the two polarized light processors, and the intermediate phase modulation element is combined with a polarized light processor to realize conversion of the second polarized light transmitted through the polarized light processor into the first polarized light, and make the converted first polarized light incident to the other polarized light processor; wherein the light emission directions of the second polarized light coupled out by the two polarized light processors are on the same side. The application can reduce light loss and improve waveguide display brightness.

This invention discloses a circularly polarized room-temperature phosphorescent organic cocrystal, its preparation method, and its applications. The organic cocrystal is formed by the self-assembly of chiral donor and acceptor molecules. The chiral donor molecule is S / R-1-(1-naphthyl)ethanol, and the acceptor molecule is 1,2,4,5-benzenetetracarbonyl nitrile. The levorotatory or dextrorotatory chiral donor and acceptor molecules are dissolved in a good solvent, then a poor solvent is added. The mixture is sonicated until completely dissolved and allowed to stand until the solvent completely evaporates, yielding the organic cocrystal. Both the levorotatory and dextrorotatory chiral cocrystals exhibit green phosphorescence emission upon excitation. The lifetime of the levorotatory chiral cocrystal is 24.91 ms, and that of the dextrorotatory chiral cocrystal is 28.48 ms. The cocrystals exhibit excellent circularly polarized room-temperature phosphorescence performance, with the levorotatory chiral cocrystal achieving a phosphorescence efficiency of 22.43% per g. lum | is 0.03. The phosphorescence efficiency of the dextrorotatory chiral eutectic is 30.97%, | g lum | is 0.065.

A display panel comprising a plurality of pixels including a first sub-pixel (SP1), a second (SP2) and third subpixel (SP3) disposed on the substrate, and a reflective layer (180) with reflective portions (181, 182, 183) corresponding to each sub pixel (SP1, SP2, SP3) of differing thickness depending on the sub pixel. The reflective layer serves as a conventional polariser and light concentrating layer transmitting right-circulatory polarised light and reflecting left-circularly polarised light. Embodiments include those where the first reflective potion (181) is thicker than the second reflective portion (182), where the reflective portions include cholesteric liquid crystals which may differ in pitch, comprises a colour filter (CF) between the pixel and reflective layer and / or comprises an encapsulation layer with portions of differing thickness between the pixel and reflective layer. Further embodiments include those with alignment film with alignment regions disposed between the plurality of pixels and in-between the reflective and colour filter layer, or those with a lens portion on the display panel. Also disclosed is a display panel comprising a plurality of pixels, a colour filter and a cholesteric liquid crystal layer with portions of differing thickness.

The application relates to a preparation method and application of chiral two-dimensional cadmium sulfide nanosheets. The application aims to solve the problem that it is difficult to construct non-layered chiral two-dimensional inorganic nanomaterials. The method comprises the following steps: placing a first open reaction container and a second open reaction container in a sealable container, adding a cadmium acetate solution into the first open reaction container, then adding a left-rotational ibuprofen / chloroform solution drop by drop, adding a sodium sulfide aqueous solution into the second open reaction container, then adding a hydrochloric acid solution drop by drop, and finally sealing and standing. The application is used for preparing a circularly polarized light detection device for detecting left-rotational / right-rotational circularly polarized light. The application is used for the preparation and application of chiral two-dimensional cadmium sulfide nanosheets.

A microdrone is adapted to, selectively under illumination, trap and transport a particle. The microdrone comprises a plurality of motion-promoting antenna structures and a trapping-field-promoting antenna structure. The plurality of motion-promoting antenna structures comprises a first motion-promoting antenna structure and a second motion-promoting antenna structure. Each of the first and the second motion-promoting antenna structures exhibits a respective optically addressable resonance at a respective first resonance wavelength. Each of the first and the second motion-promoting antenna structures is adapted to scatter incoming, circularly polarized light at the respective first resonance wavelength such that at least a fraction of a momentum of the incoming, circularly polarized light is transferred to the microdrone. The trapping-field-promoting antenna structure exhibits an optically addressable resonance at a second resonance wavelength. The trapping-field-promoting antenna structure is adapted to provide, under illumination with incoming light at the second wavelength, a gradient force directed at the trapping-field promoting antenna structure both for left-handed circularly polarized incoming light at the second wavelength and for right-handed circularly polarized incoming light at the second wavelength.

The invention relates to a galvanometer type laser fuze discrimination method and system for circular polarization rotation coding. The system comprises a laser, a circular polarization encoder, a micro galvanometer module, a light splitting module, a polarization filtering module, a photoelectric detector and a decoding discrimination module. The micro galvanometer module comprises an MEMS galvanometer A, a rotating shaft and an MEMS galvanometer B; the polarization filtering module comprises a left-hand circular polarization filter A and a right-hand circular polarization filter B; according to the invention, double coding of circular polarization and time is carried out at the laser incident end, so that strong marking of incident signals is realized, and the problem of range ambiguity during long-distance laser ranging can be effectively solved; and an orthogonal rotation circular polarization decoding discrimination method is adopted at the emergent end, so that the influence of back scattering light can be inhibited, the signal-to-noise ratio of the system is further improved, and the method is particularly suitable for discrimination of target reflection signals in a nitrate smoke environment and a heavy fog special environment.

The present invention discloses a complex amplitude vector light field system based on a terahertz on-chip metasurface, comprising a metasurface region and an intrinsic region spliced ​​together in the horizontal direction, a plurality of compound metaperiodic units arranged along the horizontal and vertical planes, and an intrinsic primitive cell. The plurality of compound metaperiodic units arranged along the horizontal and vertical planes are arranged in the metasurface region, each compound metaperiodic unit comprises a 2*2 array of metasurface primitive cells, each metasurface primitive cell comprises a metal microstructure layer, a first dielectric film layer, and a first metal thin layer arranged in sequence along the vertical direction, and the metal microstructure layers of the plurality of metasurface primitive cells are rotated and arranged according to a required phase distribution; the odd-numbered columns in the compound metaperiodic units radiate left-handed circularly polarized complex amplitude light fields, and the even-numbered columns radiate right-handed circularly polarized complex amplitude light fields, and a vector light field with a preset polarization state is synthesized through interference of left-handed circular polarization and right-handed circular polarization in free space.

This invention discloses a chiral gold-silver-platinum alloy nanomaterial, its preparation method, and its applications, relating to the field of metal nanomaterials technology. The invention includes: a substrate, wherein the substrate is chiral helical gold-silver alloy nanoparticles, and the substrate has a left-handed or right-handed helical morphology; and platinum nanoparticles, wherein the platinum nanoparticles are selectively deposited on the helical edges of the substrate by photodeposition, and the chiral helical morphology of the substrate is preserved after deposition. The photodeposition method is a photodeposition reaction performed under circularly polarized light irradiation with a specific helical direction. This invention provides more active sites for catalytic reactions and effectively avoids the displacement etching of the gold-silver alloy shell by platinum in traditional deposition methods, preserving the complete helical chiral structure.

This invention relates to a polarization-customized holographic device based on a spin-decoupled plasmonic metasurface, belonging to the fields of micro-nano optics, diffraction optics, and holographic imaging. The device employs a three-layer metal-dielectric-metal reflective structure, consisting of a bottom metal reflective surface, an intermediate dielectric spacer layer, and a top anisotropic metaatomic layer. The top metaatomic layer is composed of various periodically arranged metaatoms. By superimposing the propagation phase and geometric phase, phase decoupling between left-handed circular polarization (LCP) and right-handed circular polarization (RCP) is achieved, allowing independent control of their phase delays. Precise customization of the output linear polarization direction is achieved by adjusting the phase difference between the two. This invention breaks the lock-in relationship between geometric phase and spin state in existing metasurface holographic devices, achieving highly integrated, high-quality polarization-customized holographic imaging. It exhibits stable performance over a wide spectral range and large incident angles, and can be widely applied in optical encryption, secure displays, and optical communications.

The application provides a visible band photonic spin Hall device based on a plasmonic metasurface, which comprises: an anisotropic metasurface, which is designed based on a PB geometric phase principle and is formed by periodic arrangement of supercells; the supercells are arranged by homochiral superatoms every interval p and rotation angle by turns, so that the last superatom of each supercell rotates 180 DEG relative to the first superatom; the superatom is a half-wave plate working in a wide frequency visible light band, that is, when left-handed or right-handed circularly polarized light is incident on the superatom, the reflected light is converted into right-handed or left-handed circularly polarized light; under parallel circularly polarized light incidence, the reflected circularly polarized light of the metasurface device follows the generalized Snell law, and left-handed light and right-handed light are reflected towards opposite directions respectively, that is, a photonic spin Hall effect is generated.

This invention discloses a spin-correlated metalens and a classification system including it. The metalens comprises a substrate and nanostructure units on top of it. The nanostructure units include nanopillars A and B, which are arranged alternately in a square lattice. Incident light passes through the metalens to obtain left-handed and right-handed circularly polarized outgoing light. Nanopillars A and B introduce propagation phase delay through their structural dimensions and geometric phase through rotation angles, respectively, thereby jointly achieving independent amplitude and phase modulation of left-handed and right-handed circularly polarized light. This invention, by combining spin-correlated metalens with polarization phase-shift interference reconstruction, overcomes the physical limitations caused by the loss of point spread function phase information under incoherent imaging conditions. It realizes incoherent optical loading and convolution calculation of arbitrary signed, trainable convolution kernels in the intensity domain, fundamentally solving the problem that traditional incoherent optical systems cannot perform positive and negative weighted convolution.

The invention discloses a chiral metasurface construction method based on rotation transformation, a metasurface device comprises a substrate and a chiral metasurface located on the substrate, and the chiral metasurface is a rectangular nanorod array arranged periodically. The metasurface unit is composed of rotating rectangular silicon nanorods, and selective regulation and control of spin angular momentum of incident light are achieved by introducing in-plane mirror symmetry of a geometric rotation destroying structure. Simulation results show that the metasurface shows remarkable circular dichroism at the resonant wavelength of 633 nm, the transmissivity of the metasurface to left-hand circularly polarized light reaches up to 73%, and meanwhile the transmissivity of right-hand circularly polarized light is restrained to 2%. The device has the advantages of compact structure, easiness in integration and the like, and is expected to provide an effective solution for chiral biosensing application.

The application discloses a circularly polarized spectrometer and a spectral analysis method thereof, and relates to the technical field of circularly polarized spectrum analysis. The chiral structure layer of the circularly polarized photodetector of the circularly polarized spectrometer comprises a left-handed chiral structure array and a right-handed chiral structure array which are independent and mirror-symmetric; the photosensitive layer comprises a first photosensitive unit and a second photosensitive unit; the first photosensitive unit is electrically connected with a first signal detection module through a first electrode group; the second photosensitive unit is electrically connected with a second signal detection module through a second electrode group; the circularly polarized photodetector is used for collecting left-handed response current and right-handed response current signals under monochromatic light of the same wavelength; and the circularly polarized spectrometer is used for calculating left-handed circularly polarized light intensity and right-handed circularly polarized light intensity according to a formula. The circularly polarized spectrometer can synchronously and quantitatively separate left-handed and right-handed circularly polarized light intensity at a monochromatic wavelength point, and has high device stability and process compatibility.

The invention discloses a chiral light transverse spin separation method based on frequency regulation of magneto-optical super atoms, and belongs to the field of micro-nano photonics. Carrying out transverse spin separation by adopting a magneto-optical super-atom structure; the magneto-optical super-atom structure comprises an upper magnetic metal material layer, a lower magnetic metal material layer and a middle magneto-optical material layer, a rectangular coordinate system is established based on a magneto-optical super-atom structure, left-hand circularly polarized light and right-hand circularly polarized light are incident in the-y-axis direction, magnetic metal materials on the upper layer and the lower layer apply a static magnetic field to a magneto-optical material on the middle layer in the z-axis direction of the structure, and the magneto-optical effect of the magneto-optical material on the middle layer is excited. And electric and magnetic dipole moments are generated to generate scattering transverse spin separation on the incident left-hand circularly polarized light and right-hand circularly polarized light. The method breaks through traditional fixed frequency limitation, dynamic reversible regulation and control of the separation direction and amplitude are achieved, and forward separation, complete suppression and reverse separation can be continuously switched by adjusting the incident light frequency.

This invention discloses a metasurface and method for generating an orbital angular momentum vortex beam array. The metasurface includes a central region and N edge regions, which are symmetrically arranged along the central region. Each edge region comprises a unit structure with a gradually changing arrangement from the center to the edge. The edge regions deflect vertically incident linearly polarized light toward the central region. The deflection angle θ and the change in the unit structure size satisfy the generalized Snell's law. The method involves incident an expanded linearly polarized laser onto the metasurface, which, after transmission through the central region, is deflected and transformed into left-handed circularly polarized light (LCP) or right-handed circularly polarized light (RCP). The N edge regions, after transmission, generate a polarization angle θ toward the central region. The deflected beams interfere with the central beam to form a vortex beam array. The metasurface is composed of subwavelength structural units arranged periodically, with a size on the order of tens to hundreds of wavelengths, facilitating chip integration and producing a stable vortex array.

This application discloses a polarization-independent chiral selective reflection and multidimensional optical field modulation device and method, relating to the fields of integrated photonics and micro / nano optics. The device includes: a geometrically phased liquid crystal layer, a transparent capping layer, a chiral metasurface array layer, a dielectric substrate layer, and a total reflection layer; wherein, the chiral metasurface array layer can break the in-plane mirror symmetry and exhibit chiral selective reflection characteristics in the target wavelength band. The geometrically phased liquid crystal converts the polarization state of arbitrary incident light into orthogonal left-handed and right-handed circularly polarized light. The chiral metasurface array layer selectively reflects one type of circularly polarized light while absorbing another type of circularly polarized light with the opposite chirality. The reflected circularly polarized light exits through the geometrically phased liquid crystal, achieving two-way phase modulation. This invention achieves geometrically phase modulation by four times the rotation angle of liquid crystal molecules, and has the advantages of compact structure, low crosstalk, low cost, and easy integration with semiconductor processes.

The application provides an all-fiber current sensor based on S wave plate linear measurement, which is based on Sagnac effect, Faraday magneto-optic effect and S wave plate; linearly polarized light is obtained through a polarizer, and the linearly polarized light is divided into two mutually orthogonal linearly polarized lights through a delay line and a 45-degree fusion splicing point; the linearly polarized light is modulated by a modulator, and then enters a λ / 4 wave plate and is converted into left-handed and right-handed circularly polarized light; after entering a sensing optical fiber, the measured circuit current magneto-optic effect makes the two circularly polarized lights produce a phase difference; the phase difference is doubled through a fiber end mirror and a sensing optical fiber, and the linearly polarized light is combined into linearly polarized light through a λ / 4 wave plate, a modulator and a 45-degree fusion splicing point; the phase difference of the circularly polarized light is converted into the rotation of the linearly polarized light polarization plane; the linearly polarized light after the secondary modulation passes through an S wave plate and a polarizer in turn, and the rotation of the polarization plane is converted into the synchronous translation of the light spot; the phase difference and the current value are obtained by positioning the light spot through an image sensor; the application has the advantages of optical power independence and linear birefringence complete compensation.

The preparation method comprises the following specific steps: S1, weighing L-borneol crystal substances, D-borneol crystal substances and Baijiu, and mixing the L-borneol crystal substances, the D-borneol crystal substances and the Baijiu; s2, putting the mixture into a pressure cooker filled with distilled water, heating the interior of the pressure cooker to a boiling state of 100-105 DEG C by using big fire, and continuously cooking for 4-8 hours by using small fire; and S3, carrying out cooling crystallization treatment to obtain the racemic borneol.

The application provides a linear measurement all-fiber current sensor, linearly polarized light is obtained through a polarizer, and is divided into two mutually orthogonal linearly polarized lights, and is further converted into left-handed and right-handed circularly polarized light to input a sensing optical fiber, a Faraday magneto-optic effect of current is used to make the two circularly polarized lights have a phase difference, the circularly polarized light is reflected by a mirror at the end of the sensing optical fiber, and then the phase difference is doubled through the sensing optical fiber, and the circularly polarized light is combined into a linearly polarized light through a λ / 4 wave plate, a modulator secondary phase modulation and a 45° fusion splice point, meanwhile, the phase difference of the circularly polarized light is converted into the rotation of the linearly polarized light polarization plane, and the rotation of the linearly polarized light polarization plane is converted into the synchronous translation of a light spot through a coupler, a beam expander and a radial polarization grating, and the phase difference is obtained by positioning the light spot through an image sensor; the application realizes linear demodulation of a Faraday magneto-optic rotation angle, has the advantages of being irrelevant to the measurement result and optical power, being beneficial to the separation compensation of linear birefringence, realizing non-distortion harmonic measurement and the like.

The application provides a linear optical chiral structure generalized composite phase super-structure design method, which comprises the following steps: 1, designing a super-structure device; the super-structure device comprises a metal reflection layer and a metal structure layer stacked from bottom to top, wherein the metal structure layer comprises a chiral metal unit structure with n-fold rotational symmetry; the chiral metal unit structure comprises three circular arc arms, and each circular arc arm comprises a cuboid and a circular arc; 2, when left-handed circularly polarized LCP light is incident, a phase distribution of Φ LCP =+2nθ is generated, wherein θ is a directional angle of a sub-wavelength structure; and when right-handed circularly polarized LCP light is incident, a phase distribution of Φ RCP =-2nθ+β A is generated, wherein β A is an Aharonov-Bohm AA phase; and 3, by adjusting the circular arc length and the rotation angle θ of the chiral structure, left-handed and right-handed circularly polarized light can be independently controlled. The application can preferably realize independent control of circularly polarized light.

The application discloses a circularly polarized light detector and a preparation method thereof, and belongs to the technical field of photoelectric detectors. The circularly polarized light detector comprises, from bottom to top, a substrate, a gate electrode, a conjugated polymer layer, a chiral supramolecular layer, a source electrode and a drain electrode. Thus, the integration degree can be greatly improved, and the overall volume can be reduced to below 10 cm3. The application is suitable for application fields, such as miniature endoscopes and wearable sensors, which have strict requirements on the size of devices, avoids the integration bottleneck caused by the combination of traditional optical elements, has excellent coupling effect on circularly polarized light through the chiral supramolecular layer, can accurately distinguish left-handed and right-handed circularly polarized light, and has a significantly higher asymmetric factor than an organic circularly polarized light detector based on a traditional chiral small molecule or polymer.