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1931 results about "Electromagnetic radiation" patented technology

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays.

Bicone pattern shaping device

ActiveUS20070205961A1Reduce material costsReduce material cost material handling cost costAntenna feed intermediatesPhysicsRadio frequency
A broadband omni-directional bicone antenna. The antenna can comprise conductive surfaces of conical voids provided within a solid dielectric structure. The outside surface of the solid structure can support a radio frequency (RF) lens geometry operable for beam forming. The beam forming can modify the elevation pattern of the electromagnetic radiation from the bicone antenna. The solid dielectric structure may be machined or molded from a single piece of material. The conical voids provided within the solid structure can be metallized to provide conductive bicone radiators. The outer surface beam shaping lenses can be zoned or continuous and can provide elevation patterns with increased gain, cosecant squared falloff, or various other patterns. The beam shaping lens may be formed from any low-loss dielectric. Alternatively, the lens may be formed from a less dense material such as dielectric foam that can support radial conductive beam forming vanes.
Owner:EMS TECHNOLOGIES

Mode recognition type metal pipeline anti-corrosion layer quality detection device and system

The invention discloses a pattern recognition type metal pipeline anticorrosive coating quality detection device and system, belongs to the technical field of sensing monitoring, and aims to solve the problems of low detection precision and difficulty in positioning of damaged points of a metal pipeline anticorrosive coating under the interference of a complex environment. The method comprises the following steps: generating an environmental interference spectrum feature library through full-range frequency band pre-scanning, dynamically establishing a reference noise level, screening candidate frequencies of detection signals, and switching the frequencies as required to guarantee signal quality; synchronously acquiring a potential gradient and an electromagnetic radiation signal, and marking space-time coordinates; performing deep processing on the acquired signals, separating multi-frequency signals, correcting attenuation, and constructing a multi-dimensional feature vector; based on the feature vector, a space-time abnormal mode is extracted to position a damage point, through damage type classification, region area measurement and depth evaluation, the damage severity is quantified, accurate data support is provided for pipeline maintenance, and the accuracy and reliability of metal pipeline anticorrosive coating detection are effectively improved.
Owner:QINGDAO ENERGY CHINA RESOURCES GAS CO LTD NORTHERN GAS BRANCH +1

Vehicle-gauge-level rear quantum cryptography acceleration and side channel protection device

The invention relates to the technical field of vehicle-gauge-level password protection, and discloses a vehicle-gauge-level post quantum password acceleration and side channel protection device. The device comprises a quantum key injection unit, a quantum noise analysis unit, a post quantum cryptography acceleration engine, a side channel feature extraction unit and a protection strategy generator. The quantum key injection unit performs format standardization processing on input quantum key information; the quantum noise analysis unit collects a power consumption time sequence signal and an electromagnetic radiation signal of the cryptographic operation chip, and extracts a quantum noise characteristic spectrum through a quantum Fourier transform algorithm; the post quantum cryptographic acceleration engine adopts a lattice-based cryptographic algorithm to implement layered acceleration operation on the target encrypted message data; a side channel feature extraction unit constructs a space-time joint side channel feature tensor according to the quantum noise feature spectrum; the protection strategy generator identifies the physical fragile area according to the tensor and generates a corresponding protection strategy instruction. The device integrates a quantum cryptography acceleration function and a side channel protection function, and is suitable for a vehicle-specification-level scene.
Owner:SHANGHAI UNI SENTRY INTELLIGENT TECH CO LTD

Device, method, and system for sample analysis

Methods and devices for analyzing a sample from a subject are provided. A device includes one or more coherent light sources and one or more partially coherent light sources. The light sources are configured to emit first and second wavelengths of electromagnetic radiation towards an imaging chamber configured to hold blood cells. The light sources are aligned to illuminate a single common area of the imaging chamber. The device includes optics positioned to receive light from the imaging chamber, and a detector in optical communication with the optics. The detector is configured to detect fluorescence emission and backscatter from blood cells when present in the imaging chamber. The device includes mixers / unmixers configured to replicate and mix first and second signals representative of the responses to the first and second wavelengths after interacting with the plurality of blood cells to generate spectro-spatial responses.
Owner:VITAL BIOSCIENCES INC

Intelligent mine management and control method and system based on Internet of Things technology

The invention provides an intelligent mine management and control method and system based on the Internet of Things technology, and relates to the technical field of mine management and control, and the method comprises the steps: obtaining the roadway feature data and mining progress data of a mine in a mine; the influence degree on sensor signal transmission is calculated according to geological stress change data and equipment electromagnetic radiation intensity, and the distribution positions of the sensors are planned by combining roadway distribution data. And generating a sensor migration path plan, adjusting a point distribution position to obtain an optimized point distribution position, simulating a signal propagation path by adopting a Monte Carlo algorithm, and identifying a key area of which signal attenuation exceeds a preset threshold value. And adjusting the optimized point distribution position of the key area to obtain key area distribution points, and formulating a sensor distribution and control scheme in combination with the optimized point distribution position. According to the invention, the distribution positions of the sensors are optimized, the monitoring efficiency and the stability of signal transmission are improved, and the real-time monitoring and dynamic adjustment of the mine environment are realized.
Owner:SHANXI ALIEN TECH CO LTD

Precise early warning system for single-tree lightning fire by using lightning trajectory detected through data fusion

The invention provides a lightning trajectory data fusion detection based single-tree accurate early warning system for lightning fire, and relates to the technical field of meteorological disaster monitoring and early warning and forest lightning fire prevention and control. The lightning trajectory data fusion detection based single-tree accurate early warning system comprises an electromagnetic radiation receiving module which adopts an antenna array composed of at least four directional antennas to receive electromagnetic radiation signals generated by lightning, the antenna array is connected with a signal conditioning circuit, and the signal conditioning circuit is connected with the electromagnetic radiation receiving module. The signal conditioning circuit amplifies the received weak electromagnetic signal by 100-1000 times, processes the weak electromagnetic signal with a filtering bandwidth of 10 kHz to 1 MHz, and transmits the weak electromagnetic signal to a data acquisition card with a sampling frequency of 5-20 MS / s and a sampling precision of 12-16 bits. By integrating lightning electromagnetic radiation continuous sampling, infrared, visible light and ultraviolet multispectral tracking shooting and atmospheric electric field early warning multi-modal data, a lightning track is accurately detected, and by combining forest environment information, accurate early warning of a single tree where a lightning fire may occur is achieved.
Owner:INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY +1

Multi-safety redundancy interlocking protection system and method for medical RFQ accelerator

The invention relates to the technical field of medical RFQ accelerators, and particularly discloses a medical RFQ accelerator multi-safety redundancy linkage protection system and method, and the method comprises the steps: collecting the working state image data of an accelerator, and generating a three-dimensional fusion feature map containing heat distribution, electromagnetic radiation intensity and mechanical vibration; a multi-dimensional safety index evaluation vector is output by using a multi-mode Transform model; constructing a dynamic safety boundary prediction model, and generating a real-time safety threshold curve of each subsystem according to the evaluation vector; performing parameter optimization by adopting a federated learning framework; constructing a non-tampering security event traceability chain by using a block chain; constructing a multi-stage protection strategy of the medical RFQ accelerator; and verifying the redundancy control channel through a cross-layer security verification mechanism, and finally executing a protection action. According to the invention, multiple safety redundancy protection of the medical RFQ accelerator is realized, the risk of false shutdown is reduced, and the requirement of high reliability of clinical radiotherapy is met.
Owner:SICHUAN ENG EQUIP DESIGN & RES INST CO LTD

Chip-integrated mode-locked lasers based on thin-film nonlinear waveguides

PendingUS20250364772A1Laser detailsLaser optical resonator constructionSignal waveNonlinear waveguide
A chip-scale mode-locked laser including a cavity including a gain medium for amplifying signal electromagnetic radiation (signal) through stimulated emission, the signal comprising a signal wavelength; and a passive or active mode-locking device to enforce pulse formation in the laser. The mode-locking device includes a thin-film waveguide having a thickness on the order of the signal wavelength so as to confine and guide the signal along the thin-film waveguide, and a material comprising a second-order nonlinear susceptibility to enable active or passive mode-locking of the signal. The mode-locking device leads to generation of pulses of the signal outputted from the mode-locked laser.
Owner:CALIFORNIA INST OF TECH

Systems and methods for dynamic delivery of multi-modal stimuli

Examples of the disclosure include at least one non-transitory computer-readable medium storing instructions for operating a system including a furniture apparatus and stimulation devices, the instructions configured to instruct at least one processor to receive a user selection of one of a plurality of stimulation routines; determine, based on the selection, first stimulation parameters for a first stimulation device of a first type including one of haptic, sound, visible-light, and electromagnetic-radiation stimulation; determine, based on the selection, second stimulation parameters for a second stimulation device of a second type different than the first and including one of haptic, sound, visible-light, and electromagnetic-radiation, the second set being synchronized to a target synchronization frequency; and provide first and second control signals to the first and second stimulation device, respectively, the first signals including the first stimulation parameters and the second signals including the second stimulation parameters.
Owner:MULTI SENSORY TECHNOLOGIES LLC

Financial audit system based on artificial intelligence

The invention discloses a financial auditing system based on artificial intelligence, which belongs to the technical field of artificial intelligence and comprises a heterogeneous data dynamic adaptation device, a trusted data pipeline system and a central auditing processing unit. The heterogeneous data dynamic adaptation device comprises a multi-protocol PHY chip set, an FPGA programmable logic array, a protocol sensing antenna array and an AI coprocessor. The protocol sensing antenna array is annularly arranged on the inner wall of the device shell and comprises at least 12 miniature receiving and transmitting modules with adjustable directions; a protocol reverse learning model is arranged in the AI coprocessor, and a protocol analysis scheme is dynamically generated by analyzing electromagnetic radiation characteristics of an interface. According to the financial auditing system based on artificial intelligence, real-time dynamic data adaptation and credible traceability of a cross-heterogeneous financial system can be achieved, the problems of format conflict, semantic ambiguity and transmission delay of multi-source heterogeneous data in the auditing process are solved, and meanwhile verifiability and non-tampering performance of the data extraction process are ensured.
Owner:GUOYI TIANCHENG CONSTR ENG TECH CO LTD

Visual monitoring method and device for electromagnetic radiation of base station

The invention provides a base station electromagnetic radiation visual monitoring method and device, and the method comprises the steps: determining a three-dimensional topographic map of a monitoring region, carrying out the electromagnetic radiation measurement of an actual geographic position corresponding to a preset collection point on the three-dimensional topographic map, and obtaining the actual measurement data; obtaining beam characteristic parameters of each base station and space coordinate data of the actual geographic position, and calculating predicted electromagnetic radiation data of the actual geographic position according to the electromagnetic radiation prediction model; correcting the model, and calculating electromagnetic radiation data of a target area on the three-dimensional topographic map based on actually measured electromagnetic radiation data and the corrected electromagnetic radiation prediction model; and visually displaying the actually measured electromagnetic radiation data of the preset acquisition point and the electromagnetic radiation data of the target area. Therefore, accurate monitoring and visual display of the electromagnetic radiation of the base station are realized, so that the accuracy and reliability of electromagnetic radiation evaluation are improved, and the overall change rule of the electromagnetic radiation value of each position in the whole monitoring area can be visually observed.
Owner:中国移动通信集团江西有限公司 +1

Device for Anti-aircraft spoofing and jamming and an air defense system comprising said device

The invention refers to a counter countermeasures device, for use in an anti-aircraft combat. In one embodiment the CCM device together with an anti-aircraft weapon system forms an air defense system. The counter countermeasures device is configured for generating and emitting electromagnetic radiation of appropriate wavelengths and is capable of operating in spoof and jam mode and switching between both modes. The mode of operation is dependent on the selection of the output power of the EM source unit and the distance to the target. The selection of the output power may be done with a mechanical cover or with an electronic solution, decreasing driving current of the EM sources. With the CCM device the anti-aircraft missile launch warning and detection system installed on aircrafts are deceived and the countermeasures are released. With the use of the CCM device the efficiency of the anti-aircraft combat is highly improved, i.e. the probability of the target hit is highly improved.
Owner:CARBOTEH TECH D O O

Hyperspectral imaging in a light deficient environment

An endoscopic imaging system for use in a light deficient environment includes an imaging device having a tube, one or more image sensors, and a lens assembly including at least one optical elements that corresponds to the one or more image sensors. The endoscopic system includes a display for a user to visualize a scene and an image signal processing controller. The endoscopic system includes a light engine having an illumination source generating one or more pulses of electromagnetic radiation and a lumen transmitting one or more pulses of electromagnetic radiation to a distal tip of an endoscope.
Owner:CILAG GMBH INTERNATIONAL

Detecting Off-Resonance Signals in a Vapor Cell Sensor

In a general aspect, a quantum spectrum sensing system is presented. In some implementations, a system includes a laser system, a vapor cell sensor, an optical detector, and a signal processing system. The laser system includes a first laser that generates a first laser signal; a comb generator that produces a frequency comb signal based on the first laser signal; and a second laser generates a second laser signal. The vapor cell sensor includes a vapor and receives input optical signals based on the frequency comb signal and the second laser signal. The vapor cell sensor produces output optical signals based on interactions of the vapor with the input optical signals and electromagnetic radiation. The signal processing system processes the output optical signals to identifying signals in the electromagnetic radiation that are off resonance with a transition frequency between Rydberg states of the vapor.
Owner:WAVERYDE INSTRUMENTS INC

Method and device for resisting electromagnetic radiation interference of touch key and computer equipment

The invention relates to an electromagnetic radiation interference resisting method and device of a touch key and computer equipment. The method comprises the following steps: acquiring touch sensing data input through a plurality of touch keys in a current time period; determining a touch sensing reference value corresponding to each touch key, and obtaining a touch sensing deviation value corresponding to each touch key based on the difference between the touch sensing reference value corresponding to each touch key and the touch sensing data; obtaining an interference intensity statistical result based on the touch sensing deviation value corresponding to each touch key, and if the interference intensity statistical result meets a strong electromagnetic radiation interference judgment condition, indicating that the touch key integrated equipment is in a strong electromagnetic radiation interference environment; and adjusting the key-out threshold value of each touch key in the strong electromagnetic radiation interference environment based on the strict key-out rule to obtain a key-out threshold value adjustment result of each touch key. By adopting the method, the anti-interference stability of the touch key integrated equipment in a complex electromagnetic environment can be improved.
Owner:SHENZHEN SINONE CHIP ELECTRONIC CO. LTD.

Electronic component environment adaptability reliability prediction and service life evaluation system and method

The invention relates to the technical field of electronic component reliability engineering and environmental engineering, and discloses an electronic component environmental adaptability reliability prediction and life evaluation system and method, and the system comprises an environmental parameter collection module, a reliability prediction module, a life evaluation module, and a data storage and interaction module. According to the invention, a multi-dimensional sensor array including temperature, humidity, vibration, electromagnetic radiation and salt mist concentration is adopted by an environmental parameter acquisition module, multi-physical field stress parameters are synchronously acquired, and common environmental interference factors of electronic components are covered; a Kalman filtering algorithm is built in the data preprocessing unit to suppress environmental noise, the noise suppression ratio is increased by 40%, then abnormal values are eliminated through the 3 sigma criterion, and the data integrity reaches 99% or above; besides, the stress simulation sub-module realizes single / multi-stress coupling simulation through a temperature control cabin, a vibration table and the like, and ensures that the simulation stress steady-state error is less than or equal to 1% in combination with PID feedback control, so that extreme environment data of a laboratory can be supplemented, and the problem of insufficient field data is solved.
Owner:四川精睿盈节能环保科技有限公司

Directional ultra-short strong field electromagnetic pulse generation device

The invention provides a directional ultra-short strong field electromagnetic pulse generation device, a plasma channel is formed through laser targeting gas and ultra-short strong field electromagnetic pulses are generated, the device comprises a high-power laser, a laser focusing module, a gas target module and a vacuum cavity, the high-power laser is used for generating femtosecond laser pulses and emitting the femtosecond laser pulses into the vacuum cavity; the laser focusing module is arranged in the vacuum cavity and is used for focusing femtosecond laser pulses generated by the high-power laser onto the gas target; the gas target module is arranged in the vacuum cavity and used for generating a high-density gas target and spraying the high-density gas target upwards, and a gas spraying opening of a gas target nozzle is located below the laser focus and can be adjusted in an electric control mode. According to the invention, escape electrons with charge quantity larger than that of a solid target and a low-density gas target can be generated, and laser forms arc discharge similar to thunder and lightning cloud in near-critical density plasma to generate EMP, so that electromagnetic radiation which is stronger than that of the solid target and far better than that of a common gas target can be generated.
Owner:INSTITUTE OF PHYSICS CHINESE ACADEMY OF SCIENCES

Pneumatic flexible displacement bistable ultrafast charging plug-free milliohm-level interface

The invention discloses a pneumatic flexible displacement bistable ultrafast charging plugging-free milliohm-level interface, and belongs to the technical field of electronics. The device consists of a pneumatic component, an interface component, a control component and a power supply, wherein the pneumatic component comprises a normally closed electric inflator pump, a normally closed electric deflation valve, a latex tube and a flexible rubber hose with a net-shaped reinforcing rib; the interface part comprises a main contact and a monitoring point which can be made of 316L stainless steel sheets with the thickness of 0.3 mm and high oxidation resistance. The control component comprises a main controller containing solidified software, a charging main loop on-off control circuit and the like; the control part can control the inflator pump and the deflation valve to enable the main contact and the monitoring point to be automatically disconnected or connected, the contact resistance value of the power transmission main contact and the charging main contact can be smaller than 9 megohms in the stable connection state, and the disconnection resistance value of the power transmission main contact and the charging main contact can be larger than 10 megohms in the stable disconnection state. Compared with products sold in the current market, the electromagnetic radiation can be neglected, the charging power is large, the utilization rate of electric energy is high, manual plugging is not needed, and the charging device has important popularization value.
Owner:孙梅生

Methods, devices, and systems for treating tissue with electromagnetic radiation

PCT designated stageWO2025245181A1Light therapyElectromagnetic radiationDermatomal
Methods, devices, and systems for treating a region of interest (ROI) of skin of a subject or patient in need thereof are disclosed. Such a method of treating a ROI, in some embodiments, comprises irradiating a test region (TR) of the skin with a sub-therapeutic dose of electromagnetic radiation or with a series of sub -therapeutic doses, determining a tissue response of the TR, and generating one or more therapeutic dose parameters based at least in part on the tissue response of the TR. In some embodiments, the method further comprises irradiating the ROI with one or more therapeutic doses of electromagnetic radiation in accordance with the one or more therapeutic dose parameters.
Owner:SCITON INC

Collector device, wafer inspection system with a collector device

Collector device for collecting the electromagnetic radiation (30) emitted by a radiation source (14), wherein the collector device (15) is configured such that electromagnetic radiation (30) incident at a first focal point (26) is directed to a second focal point (27). The collector device comprises a first shell (31, 32, 33) made of a material transparent to the electromagnetic radiation (30), wherein the first shell (31, 32, 33) is coated with a first reflective layer (35, 36, 37) made of aluminum. The collector device comprises a second shell (32, 33, 34) made of a material transparent to the electromagnetic radiation (30), wherein the second shell (32, 33, 34) is coated with a second reflective layer (36, 37, 38) made of aluminum.The first shell (35, 36, 37) and the second shell (36, 37, 38) are arranged coaxially with respect to an axis (28) spanning between the first focal point (26) and the second focal point (27), wherein the first shell (31, 32, 33) forms a first back mirror off which the electromagnetic radiation (30) between the first focal point (26) and the second focal point (27) is reflected, and wherein the second shell (32, 33, 34) forms a second back mirror off which the electromagnetic radiation (30) between the first focal point (26) and the second focal point (27) is reflected. The invention also relates to a wafer inspection system with such a collector device.
Owner:CARL ZEISS SMT GMBH

Stope instability early warning system and early warning method

The invention provides a stope instability early warning system and early warning method. The system comprises an electromagnetic radiation sensor, an active electromagnetic radiation device, an electromagnetic radiation feature extraction module and a data analysis device. The electromagnetic radiation sensor is used for receiving a passive electromagnetic radiation signal in the stope and a disturbance response signal emitted by the stope rock mass due to active electromagnetic radiation disturbance; the active electromagnetic radiation equipment is configured to emit a first excitation signal to the electromagnetic radiation sensor and emit a second excitation signal to the stope rock mass; the electromagnetic radiation feature extraction module is used for performing feature extraction on each electromagnetic radiation signal to obtain electromagnetic radiation feature parameters; the data analysis equipment is in communication connection with the electromagnetic radiation feature extraction module and is configured to analyze stope rock mass stability based on the electromagnetic radiation feature parameters and output stope instability early warning signals; according to the method, the instability condition of the stope can be monitored in real time, accurate early warning is achieved, and the influence of geological condition complexity and environmental factors is reduced.
Owner:CENT SOUTH UNIV

Measuring arrangement for the interferometric determination of the surface shape of a test specimen, as well as a method for manufacturing an optical element for such a measuring arrangement

The invention relates to a measuring arrangement for the interferometric determination of the surface shape of a test object, wherein a test wave generated from electromagnetic radiation and reflected at the test object can be superimposed with a reference wave not reflected at the test object, with a reference element (110, 210, 310, 410) having a reference surface (112, 212, 312, 412) which, in the optical beam path, splits off the reference wave from the test wave before it strikes the test object (120, 220, 320, 420) by reflection, and at least one beam shaping surface (111, 211, 311, 411, 413, 414) located in the optical beam path in front of the reference surface, wherein this beam shaping surface is designed as an aspherical distortion correction surface such that a distortion occurring in a predetermined reference plane of the measuring arrangement is reduced. The invention further relates to a method for manufacturing an optical element for such a measuring arrangement.
Owner:CARL ZEISS SMT GMBH

Windshield and transmitting and / or receiving assembly, in particular lidar assembly, for a vehicle

The invention relates to a windshield for a vehicle, having an exposed exterior-side surface (I) and an exposed interior-side surface (i), wherein the windshield has a transmission region (S) which is provided for the optical beam path of a transmitter and / or receiver (4) of electromagnetic radiation, and the interior-side surface (i) is provided with an anti-reflection coating (20) in the transmission region (S), the anti-reflection coating comprising, in the specified order starting from the interior-side surface (i): - a first optically high-refractive layer (21) having a refractive index of at least 1.9 and an optical thickness of 95 nm to 225 nm; - a first optically low-refractive layer (22) having a refractive index of maximally 1.6 and an optical thickness of 40 nm to 135 nm; - a second optically high-refractive layer (23) having a refractive index of at least 1.9 and an optical thickness of 415 nm to 615 nm; and - a second optically low-refractive layer (24) having a refractive index of maximally 1.6 and an optical thickness of 290 nm to 410 nm, the optical thickness being determined as the product of the geometrical thickness and the refractive index at 550 nm.
Owner:SAINT GOBAIN SEKURIT FRANCE

Portable Quantum Spectrum Sensing Systems

In a general aspect, a portable quantum spectrum sensing system for detecting electromagnetic radiation in an environment is presented. In some implementations, a portable system includes a vapor cell sensor and a portable control package. The vapor cell sensor includes a vapor and is configured to generate output optical signals based on interactions between input optical signals, the vapor and the electromagnetic radiation. The portable control package includes a laser system configured to generate laser signals and a photonic integrated circuit system configured to generate the input optical signals based on the laser signals from the laser system. The portable control package includes a system-on-chip that can communicate control signals to the laser system and the photonic integrated circuit system. The system-on-chip can also process the output optical signals to determine one or more properties of the electromagnetic radiation.
Owner:WAVERYDE INSTRUMENTS INC

Systems and methods for analyzing and displaying acoustic data

Some systems include an acoustic sensor array configured to receive acoustic signals, an electromagnetic imaging tool configured to receive electromagnetic radiation, a user interface, a display, and a processor. The processor can receive electromagnetic data from the electromagnetic imaging tool and acoustic data from the acoustic sensor array. The processor can generate acoustic image data of the scene based on the received acoustic data, generate a display image comprising combined acoustic image data and electromagnetic image data, and present the display image on the display. The processor can receive an annotation input from the user interface and update the display image based on the received annotation input. The processor can be configured to determine one or more acoustic parameters associated with the received acoustic signal and determine a criticality associated with the acoustic signal. A user can annotated the display image with determined criticality information or other determined information.
Owner:FLUKE CORP

Detecting off-resonance signals in a vapor cell sensor

In a general aspect, a quantum spectrum sensing system is presented. In some implementations, a system includes a laser system, a vapor cell sensor, an optical detector, and a signal processing system. The laser system includes a first laser that generates a first laser signal; a comb generator that produces a frequency comb signal based on the first laser signal; and a second laser generates a second laser signal. The vapor cell sensor includes a vapor and receives input optical signals based on the frequency comb signal and the second laser signal. The vapor cell sensor produces output optical signals based on interactions of the vapor with the input optical signals and electromagnetic radiation. The signal processing system processes the output optical signals to identifying signals in the electromagnetic radiation that are off resonance with a transition frequency between Rydberg states of the vapor.
Owner:WAVERYDE INSTRUMENTS INC

Photonic integrated circuit with a random sparse optical phased array

A photonic integrated circuit (PIC) is disclosed herein. The PIC can include a substrate, a main optical waveguide supported by the substrate. The main optical waveguide can be in communication with an electromagnetic radiation source, and configured to receive electromagnetic radiation from the electromagnetic radiation source. A first branch optical waveguide can be optically coupled to the main optical waveguide at a first location. An optical phased array (OPA) can include plurality of array elements, each having an optical antenna and an optical phase modulator. At least some array elements within a first subset of the plurality of array elements can be optically coupled to the first branch optical waveguide wherein locations of at least some of the plurality of array elements are aperiodic in one or more directions on the substrate.
Owner:RTX BBN TECH INC