41 results about "Wavelength response" patented technology

The invention relates to the technical field of microorganism co-culture fermentation, and discloses a method for producing L-carnitine soybean meal by applying a neural network to optimize fermentation conditions, and the method comprises the following steps: establishing a double-bacterium single-culture control group, collecting a double-bacterium dual-wavelength response data set, and constructing a two-dimensional geometric feature space to obtain a strain feature fingerprint slope; establishing a double-bacterium co-culture fermentation group, decomposing the real-time mixed optical density value to obtain double-bacterium estimated concentration, and constructing an enhanced input data set; then building a bimodal prediction model to output a predicted value of the L-carnitine content; and finally, setting an optimization objective function containing a yield deviation item, a phase regression item and a control smoothing item, and solving to obtain an optimal control input sequence. According to the invention, precise decoupling of the growth state of double bacteria and metabolic phase cooperative regulation and control are realized, information dimension limitation of traditional mixed optical density signals is broken through, and time sequence matching and yield stability of L-carnitine synthesis are guaranteed.

The embodiment of the application provides a kind of based on integrating sphere light source's photosensitive diode multispectral calibration device and method, for by dark current measurement, photocurrent correction and wavelength response fitting, photosensitive diode array is carried out wide band multispectral calibration.The device of the application includes integrating sphere device, multi-band adjustable light source module, the photosensitive diode array to be calibrated and control and analysis unit;The inner wall of integrating sphere device is high reflectivity diffuse reflection material;Integrating sphere device further includes trap detector, and trap detector is used for real-time monitoring the reflection loss of the inner wall of integrating sphere device;Trap detector is connected with control and analysis unit communication;Multi-band adjustable light source module is accessed integrating sphere device;The photosensitive diode array to be calibrated is composed of multiple photosensitive diodes;Control and analysis unit and multi-band adjustable light source module, the photosensitive diode array to be calibrated establish communication connection.

The application discloses a kind of bionic visual sensor devices with pulse coding capability.Light quantum reaches device, and photoelectron-hole pair will be generated.Light-generated carriers continue to collide with lattice atoms by the strong electric field force between cathode and anode, and new photoelectron-hole pair is generated.The process will be repeated in turn, and then macroscopic current is generated.Through external resistance voltage division, the electric field between cathode and anode is reduced, so that macroscopic current is quenched, thereby realizing the pulse current lasting several nanoseconds.After tens of nanoseconds, the device quickly recovers to the initial state, preparing for detecting the next light quantum.In addition, the inversion layer formed below the polysilicon gate can effectively regulate the wavelength response of the device, enabling it to have a biologically reasonable visual color perception ability.Meanwhile, the device is fully compatible with standard microelectronic technology, enabling large-scale integrated bionic visual sensors to meet the development needs of fields such as bionic robots.

An integrated photonic circuit has a semiconductor tunable laser with two tuning elements and an output port providing a first laser output, and a calibration structure The calibration structure has a first reference element having a first reference wavelength response (a primary peak or valley at a first reference wavelength) as the semiconductor tunable laser is tuned by adjusting at least one of the tuning elements. The calibration structure also has a first photodetector. At least part of the laser output from the output port is coupled to the calibration structure. At least part of the first laser output is coupled within the calibration structure to the first reference element; and at least part of the first laser output leaving the first reference element after being coupled thereto is coupled to the first photodetector.

According to the tensile strain germanium wafer on the glass substrate, the imaging chip and the forming method of the imaging chip, the acceptor substrate comprises the transparent glass substrate, the light transmittance of the short-wave infrared band is extremely high, light of the short-wave infrared band can reach the tensile strain germanium layer, the transparent glass substrate can also enable visible light to penetrate, and the imaging chip can be applied to the imaging chip. Visible light can also reach the tensile strain germanium layer. Light of more wavebands enters the tensile strain germanium wafer on the glass substrate through the transparent glass substrate, the tensile strain of the tensile strain germanium layer is further increased through direct wafer bonding operation, the response capacity to incident light is improved, and the wavelength response range of the tensile strain germanium wafer on the glass substrate is expanded to be within the range of 400 nm to 1700 nm. The wafer taking the transparent glass as the substrate is large in size and low in batch production cost, can be highly compatible with a CMOS (complementary metal oxide semiconductor) process production line, can overcome the defects of fragility, high cost and the like of a bulk germanium material, and improves the quality of the tensile strain germanium wafer on the glass substrate.

The invention relates to a cross-wavelength response integrated biosensor which comprises a plurality of periodic units, and each periodic unit comprises a substrate layer, a dielectric layer and a metal layer which are sequentially arranged from top to bottom; the metal layer comprises a plurality of metal structure units, each metal structure unit comprises a metal wire and two discrete metal split rings, and the metal wire and the metal split rings are formed by nano particle arrays. According to the invention, a plurality of independent sensors are not needed, and high-sensitivity sensing response of the THz wave band and the optical wave band can be realized only by a single integrated structure; in a single sensor, high-sensitivity detection of biomolecules from small to sub-nanometer scale and from large to micron scale can be realized at the same time; on the microscopic scale, the THz resonance sensitivity of the sensor can reach 63.9 GHz / RIU; on the nanoscale, when the incident wavelength is 785 nm, the SERS enhancement factor of the sensor is 8.8 * 10 < 4 >; the response performance of the biosensor can be realized by optimizing the structural parameters, geometrical shapes, unit arrangement and the like of the metal layer.

The invention discloses a system and method for detecting the tightness of a track bolt, and relates to the technical field of track detection, and the method comprises the steps: constructing a stress guide structure through topological optimization, embedding a fiber Bragg grating sensor in a stress concentration region and a main force conduction path region, and forming the distribution structure data of the fiber Bragg grating sensor; performing multi-stage loading calibration on the distributed structure data of the fiber bragg grating sensor by adopting a static loading experiment method, establishing a nonlinear function mapping relation between wavelength response and bolt pre-tightening force, and forming a calibration function model; a spectrum demodulation technology is adopted, wavelength changes of the fiber bragg grating sensor in the train running state are collected in real time and input into the calibration function model for real-time calculation, and a real-time pre-tightening force value data set is formed. According to the invention, the accuracy and reliability of data acquisition are improved, and the precision and stability of subsequent pre-tightening force identification are significantly improved.

The invention relates to the technical field of electronic information, and discloses a heterojunction artificial synapse device with multi-wavelength response and bionic injury perception, which comprises a substrate, a silicon dioxide layer, a silicon-rich silicon nitride layer, a molybdenum disulfide layer and an electrode layer, the silicon dioxide layer covers the surface of the substrate, the silicon-rich silicon nitride layer is deposited on the side, away from the substrate, of the silicon dioxide layer, the molybdenum disulfide layer is transferred to the side, away from the silicon dioxide layer, of the silicon-rich silicon nitride layer, and the electrode layer is arranged on the side, away from the silicon-rich silicon nitride layer, of the molybdenum disulfide layer; and the substrate is a p-type silicon substrate. By constructing a molybdenum disulfide and silicon-rich silicon nitride heterojunction structure and optimizing material parameters and a preparation process of each layer, efficient response of the device to 350nm-380nm short-wave-band light and 510nm-550nm long-wave-band light is realized, light current generated under short-wave-band light stimulation is larger than light current generated under long-wave-band light stimulation, the multi-wavelength visual information perception requirement is met, and the device has a wide application prospect. And hardware support is provided for optical signal identification and processing in a complex environment.

The present application provides a silicon substrate, comprising a first surface and a second surface which are opposite to each other. A plurality of recesses are formed in the first surface. The thickness of the silicon substrate is h1, and the depth of the recesses is h2, wherein the difference Δh between h1 and h2 satisfies h1>Δh≥1 / A(λ=300 nm), wherein A(λ=300 nm) is an optical absorption coefficient of the silicon substrate at a wavelength λ=300 nm, with a unit of cm-1. The present application further provides a solar cell and photovoltaic module comprising the silicon substrate. By forming the recesses and establishing a relationship among the depth of the recesses, the thickness of the silicon substrate, and the optical absorption coefficient of the silicon substrate at a corresponding wavelength, absorption of oblique incident light by the recesses is enhanced, and the requirements for specific wavelength response are met.

The application discloses an array spectrum MEMS chip arrangement method based on sample absorption peaks, and comprises the following steps: calculating the number of wavelength points contained in each typical section in a typical type arrangement mode of a spectrum MEMS Fabry-Perot cavity chip; calculating the characteristic wavelength points contained in each typical section according to the wavelength response range of the spectrum MEMS Fabry-Perot cavity chip; arranging the array spectrum MEMS Fabry-Perot cavity chip subunit in an array mode in combination with the number of characteristic wavelength points; and sequentially arranging the sub-chip array in a spaced arrangement mode in combination with the wavelength values of the characteristic wavelength points. The application converts a single-point type MEMS spectrum chip into an array type MEMS spectrum chip, effectively improves the acquisition efficiency and stability of the spectrum MEMS Fabry-Perot cavity chip. Meanwhile, the wavelength point equal division type arrangement of the traditional single-point type spectrum MEMS Fabry-Perot cavity chip is converted into a typical type arrangement based on sample absorption peaks, the amount of characteristic information of the to-be-measured sample components is increased, and the spectrum analysis accuracy is improved.

The invention discloses a multi-parameter sensor based on a butterfly-shaped photonic crystal fiber and a decoupling method thereof, and belongs to the technical field of optical fiber sensing. The multi-parameter sensor based on the butterfly-shaped photonic crystal fiber comprises a section of photonic crystal fiber PCF with a high birefringence effect structure, two fiber bragg gratings with different central wavelengths, namely FBG-A and FBG-B, are written into adjacent or overlapped sections in the fiber through a laser writing method, and the FBG-A and the FBG-B are connected with the photonic crystal fiber PCF. Each FBG respectively forms a pair of reflection peaks in two polarization directions so as to generate four wavelength response signals; the FBG-B section is also provided with a sleeve structure made of glass, metal or polymer materials; the two sides of the butterfly-shaped photonic crystal fiber PCF fiber core are provided with asymmetric air hole structures. According to the invention, the dual-wavelength fiber bragg grating is written into the butterfly-shaped PCF, and the natural high birefringence characteristic of the dual-wavelength fiber bragg grating is combined with air hole filling regulation and control, so that high-sensitivity measurement and decoupling of three parameters of temperature, strain and pressure are realized, and the test precision is improved.

The wine label comprises a base material layer and an adhesive layer, a functional layer and a protective layer are sequentially arranged on the front face of the base material layer, the functional layer comprises a three-dimensional hot stamping area, a temperature change ink area and an invisible ultraviolet code area, and an anti-fake two-dimensional code area is arranged in the middle of the back face of the base material layer. The anti-fake two-dimensional code area is covered with a protective layer, and a notch for exposing the anti-fake two-dimensional code area is formed in the middle of the adhesive layer. According to the utility model, the wine LOGO is silk-screened through the temperature-variable ink to form the temperature-variable ink area, so that the color-variable response can be realized when a user rubs the temperature-variable ink area with fingers, and the first anti-counterfeiting is carried out; an ultraviolet code is printed through ink jet of a fluorescent material containing specific wavelength response, and the printing shape can be shown through scanning of an ultraviolet lamp, so that second anti-counterfeiting is carried out; and third anti-counterfeiting is performed by printing the anti-counterfeiting two-dimensional code area, so that the anti-counterfeiting strength is stronger, and the anti-counterfeiting effect is not easy to copy.

A leak detection system includes an emitter, detector, and electronic control unit (ECU). The emitter directs electromagnetic energy having a predetermined wavelength range, e.g., infrared energy, toward a surface of a product. The product defines an enclosure chamber containing a trace gas. The detector is positioned between the emitter and the product at an offset distance from the surface. The detector detects reflected energy. The ECU receives a signal from the detector that is indicative of a spectrum of the reflected energy and identifies a detected leak in the product. This includes comparing the spectrum of the reflected energy to a predetermined spectrum of the trace gas. The trace gas has a wavelength within the predetermined wavelength range of the emitter. The ECU generates an output signal in response to the leak, with the output signal identifying a presence and location of the leak.

The invention discloses a ratio type fluorescent probe and application thereof in distinguishing and detecting aflatoxin B1 and aflatoxin B2a, and belongs to the field of fluorescent probe detection. The probe is assembled by taking serum albumin (HSA) as a subject and dicyanoisophorone dye (MDM) as an object. Based on the combination principle difference that an MDM derivative and aflatoxin B1 tend to coexist in HSA and the MDM derivative and aflatoxin B2a tend to be replaced, the ratio-type fluorescent probe MDM-coated HSA disclosed by the invention can realize distinguished detection of B1 and B2a by utilizing spectral response sensitivity difference and fluorescence color signals. The probe can be used for quantitatively detecting aflatoxin B2a in a real food sample due to high sensitivity of B2a, a colorimetric signal generated by ratiometric fluorescence of the probe can be used for on-site qualitative rapid detection, and dual-wavelength response can be used for in-situ differentiated imaging of B1 and B2a in a biological system.

The invention relates to the technical field of microscopic imaging reconstruction, and particularly discloses an image optimization reconstruction method and system based on a photon number ratio after logarithmic transformation, and the method comprises the steps: building a photon statistical mapping relation between a simulation super-resolution image and a simulation real image through the real experiment background photon number constraint, and determining an RLP interval; meanwhile, the photon number ratio in the real super-resolution image and the real original image under different fluorescence wavelengths is calculated, an RLP-modeling wavelength response curve is constructed, and the fluorescence wavelength corresponding to the point, located in the RLP interval, on the curve serves as the modeling wavelength; and then, a measurement matrix is constructed based on the modeling wavelength, and super-resolution reconstruction is carried out on the to-be-reconstructed original image based on the measurement matrix. According to the method, the spatial resolution and the structural fidelity of the reconstructed image can be remarkably improved on the premise that the system complexity is not increased.

The invention discloses a distributed acoustic wave detection system and method for microscopic bending damage of an optical cable link, and relates to the technical field of optical fiber sensing, and the method comprises the steps: obtaining a corresponding backward Rayleigh scattering signal sequence through alternately transmitting detection light pulses of a first wavelength and a second wavelength; performing phase demodulation on the signal sequence to obtain the phase variation of the first wavelength and the second wavelength of each position point; performing differential operation to generate a differential bending characteristic signal, and calculating an instantaneous amplitude; judging whether the amplitude is lower than a background noise threshold, and if so, marking as a background noise event; otherwise, calculating an amplitude ratio and judging whether the amplitude ratio falls into a preset range, and if yes, marking as a candidate damage event. And finally, performing neighborhood analysis on the candidate damage event through spatial focusing verification, marking the candidate damage event as a microcosmic bending damage event if the candidate damage event exceeds a preset density threshold, and otherwise, marking the candidate damage event as an interference event. According to the invention, through wavelength response ratio screening and space focusing verification, accurate identification of microscopic bending damage is ensured.

The invention discloses a fluorescence lifetime measuring device and method for a rare earth material. The device comprises an optical flat plate, an adjustable sample table, an optical fiber tail end focuser, an optical fiber tail end recoverer, a laser, a signal generator, an oscilloscope and a photoelectric detector. The device has the advantages that accurate focusing of exciting light and efficient collection of fluorescence can be achieved, and signal loss is reduced; interference of front and back excitation signals is avoided; the whole fluorescence attenuation process can be accurately captured, and the measurement error is small. The structure is designed in a modular mode, and all parts are convenient to install and adjust; the measurement method has clear steps. The output wavelength of the laser can be flexibly replaced according to the characteristic absorption band of a material to be measured, the wavelength response range of the photoelectric detector covers the characteristic fluorescence wavelength of a mainstream rare earth material, and the photoelectric detector can be adapted to measurement of rare earth materials with nanosecond-level to millisecond-level fluorescence lifetime, including various samples such as rare earth simple substances, rare earth oxides, rare earth doped fluorescent powder and the like. The measurement process does not need a complex data analysis algorithm, and is suitable for rapid detection of batch samples.

The application discloses a long-wave infrared image aberration correction method based on intensity mapping and deep learning, comprising the following steps: dividing a clear long-wave infrared picture into several intensity intervals according to the intensity range of the clear long-wave infrared picture, dividing the wavelength range of the long-wave infrared into several wavelength intervals, and mapping the intensity intervals to the wavelength intervals; using a ray tracing software to extract the point spread function of the central wavelength of different wavelength intervals of an optical system; convolving the clear long-wave infrared picture of different intensity intervals with the mapped point spread function to obtain an aberration-degraded long-wave infrared picture; weighting the normalized light intensity response of the wavelength response curve of the detector corresponding to the mapped central wavelength of the aberration-degraded long-wave infrared picture, and adding noise to obtain a simulated aberration-degraded long-wave infrared picture; corresponding the clear picture to the simulated picture one by one to construct a data set and train a deep learning aberration correction network. The application improves the aberration simulation precision and the aberration correction capability.

The application relates to the field of precise optical measurement technology and discloses a binocular structured light fusion reconstruction system, method and device, which comprise a multi-channel stable voltage power supply distribution circuit, a heterogeneous spectrum photoelectric load network, a double-path photoelectric signal acquisition circuit and a geometric quantity calculation logic processing module. The power supply circuit establishes a DC bus and performs power distribution, cooperates with a constant current driving unit to control the load network to radiate a multiple wavelength composite light field in a single time domain, the acquisition circuit synchronously senses the light signal, the processing module analyzes the wavelength response and calculates the three-dimensional coordinates. The application eliminates the interference of the voltage transient fluctuation of the load end on the energy distribution of the composite light field through a synchronous power output mechanism, reduces the transient load pressure of the sensing unit, eliminates the dynamic displacement deviation, and realizes high-precision extraction of high-density geometric data.

The application provides a target enhancement three-dimensional reconstruction method based on a multi-wavelength polarized line structured light. The method introduces a polarization imaging technology, which is independent of light source intensity and depends on an incident angle and surface properties, and solves a measurement ambiguity problem caused by insufficient contrast of multi-band light source intensity. In addition, in order to alleviate the problem of inconsistent response of different wavelengths under wideband illumination, a linear polarization degree is used as an observation reference. Then, by decoupling the incident angle and material response and using the inherent correlation between the wavelength and the polarization, the estimation of the root mean square absolute roughness of the object is realized. Finally, the estimated absolute roughness is taken as a keyword and integrated into the three-dimensional reconstruction process to enhance the target extraction effect.

The invention discloses an intracranial pressure detection method and system based on multi-wavelength photoacoustic imaging. The method comprises the following steps: respectively irradiating the neurocranium of a subject by using a plurality of lasers with different wavelengths; for single irradiation, original photoacoustic data generated by the neurocranium of the subject is collected, image reconstruction is carried out, a two-dimensional amplitude image under the irradiation is obtained, and a corresponding blood vessel mask is generated according to the image; performing spectral unmixing on the blood vessel mask, and then extracting the response under the irradiation; combining the response under each illumination to generate a multi-wavelength response vector; performing least square fitting on the multi-wavelength response vector by using a molar extinction coefficient matrix to calculate the relative concentration of oxyhemoglobin and the relative concentration of deoxyhemoglobin; and calculating the intracranial pressure of the subject according to the relative concentration of the oxyhemoglobin and the relative concentration of the deoxyhemoglobin. According to the invention, non-invasive, quantitative and real-time monitoring of deep cerebral vessels can be realized, and the intracranial pressure of a subject can be accurately evaluated.

An optical remote control system according to the present invention comprises: a plurality of optical transceivers connected to an optical communication network for transmitting an optical signal in which a plurality of main signals are wavelength-division multiplexed; and a remote control device connected to the optical communication network. The remote control device includes a control-purpose optical transmission / reception unit for transmitting a control signal of a single wavelength. Each of the plurality of optical transceivers includes: a first optical transmission / reception unit for transmitting / receiving the main signal; a second optical transmission / reception unit for receiving the control signal separated from an optical multiplex signal in which the main signal and the control signal are wavelength-division multiplexed; and a control unit for controlling the first optical transmission / reception unit on the basis of the control signal received by the second optical transmission / reception unit. The second optical transmission / reception unit transmits a response signal of a single wavelength to the control signal as a burst optical signal.

The invention discloses a long-wave infrared image aberration correction method based on intensity mapping and deep learning, and the method comprises the steps: dividing a clear long-wave infrared image into a plurality of intensity intervals according to the intensity range of the clear long-wave infrared image, dividing the wavelength range of long-wave infrared into a plurality of wavelength intervals, and mapping the intensity intervals to the wavelength intervals; using ray tracing software to extract point spread functions of central wavelengths of different wavelength intervals of the optical system; carrying out convolution on the clear long-wave infrared pictures in different intensity intervals and the mapped point spread functions to obtain aberration degraded long-wave infrared pictures; weighting the aberration degenerated long-wave infrared picture according to the normalized light intensity response of the wavelength response curve of the detector corresponding to the central wavelength mapped by the aberration degenerated long-wave infrared picture, and adding noise to obtain a simulated aberration degenerated long-wave infrared picture; and enabling the clear pictures and the simulation pictures to be in one-to-one correspondence, constructing a data set, and training a deep learning aberration correction network. According to the invention, the aberration simulation precision and the aberration correction capability are improved.

The invention provides a tensile strain radio frequency germanium wafer on a glass substrate, an imaging chip and a forming method thereof, a donor substrate and an acceptor substrate are formed, the acceptor substrate comprises a glass substrate, a trap-rich layer, a silicon dioxide layer and a dielectric layer, the trap-rich layer, the silicon dioxide layer and the dielectric layer are located on the glass substrate, and the donor substrate and the acceptor substrate are subjected to direct wafer bonding processing. And removing the silicon substrate in the bonding structure to obtain the tensile strain radio frequency germanium wafer on the glass substrate. The trap-rich layer is made of a fourth main group amorphous material, free parasitic charges in the tensile strain radio frequency germanium wafer on the glass substrate can be captured, the parasitic capacitance of the tensile strain radio frequency germanium wafer on the glass substrate can be reduced, the tensile strain of the tensile strain germanium layer can be further increased through direct wafer bonding operation, and the tensile strain of the tensile strain germanium layer can be further improved. The response capability to incident light is improved, and the wavelength response range of the tensile strain radio frequency germanium wafer on the glass substrate is expanded, so that the quality of the tensile strain radio frequency germanium wafer on the glass substrate is improved.

The utility model provides a Goos-Hanchen displacement sensor based on a graphene-dielectric hyperbolic metamaterial, and belongs to the technical field of optical sensors. Graphene sheets and dielectric sheets are alternately arranged to form a periodic photonic crystal structure, and in a near-infrared band, for a given incident wavelength, in a photonic crystal composed of graphene and a dielectric, a dispersion space presents a hyperbolic dispersion characteristic by modulating the Fermi level of electrons in the graphene. Furthermore, by changing the Fermi level, the number of layers of the graphene and the thickness of the medium, large GH displacement can be achieved at the phase change position from hyperbolic dispersion to elliptic dispersion, and the maximum GH displacement reaches up to 300 times of incident wavelength. GH displacement is very sensitive to wavelength response, and based on the effect, a hyperbolic metamaterial high-sensitivity dielectric thickness and light wave incident angle sensor is provided.

The invention belongs to the technical field of analytical chemistry, and particularly relates to synthesis and application of a dual-wavelength response fluorescent probe based on a phosphorus fluorene parent nucleus. The structural formula of the compound is shown in the specification, the probe synthesized by the invention has high sensitivity and high selectivity for recognition of hydrogen sulfide and has the characteristic of dual-wavelength response detection, and when the probe is in contact with a detected object hydrogen sulfide, the probe can emit relatively strong fluorescence intensity at 412nm and 564nm respectively. In addition, after the probe is in contact with the detected substance hydrogen sulfide, the probe solution is gradually changed from colorless to brownish yellow, and whether hydrogen sulfide exists or not can be accurately judged through color change. The method can be applied to meat food fresh-keeping detection, water quality detection and three-waste pollution detection in the heavy industry.

A wavelength reference device includes a broadband optical source, a repeating filter, and a wavelength-specific filter. The source, which can be a super-luminescent light-emitting diode (SLED), emits optical power. The repeating filter, which can be a Fabray-Perot etalon, filters the optical power into a repeating spectral response, and the wavelength-specific filter attenuates the optical power of at least one predefined wavelength response within the wavelength band. The repeating filter and the wavelength-specific filter output a wavelength reference signal having the repeating spectral response attenuated at the at least one predefined wavelength response. The predefined wavelength response reduces the ambiguity that can occur in the repeating frequency locations found in the repeating spectral response. In this way, an absolute wavelength reference is intrinsically provided in the wavelength reference that removes the location ambiguity caused by the repeating spectral response.

An implantable device for detecting biomarkers in interstitial fluid is described. A mid-infrared quantum cascade laser is tuneable to one or more wavelengths associated with biomolecular absorption. A controller applies time-division multiplexing so only a single wavelength is active at any instant. Absorption generates thermoelastic ultrasonic waves that are sensed by an ultrasonic transducer. A signal processing unit attributes each waveform to the active wavelength and analyses per-wavelength responses to determine biomarker presence and, where calibrated, concentration. The arrangement supports precise, low-power, wavelength-selective sensing in a compact subdermal form.

The present application relates to the technical field of structure optimization, in particular to a gas chamber structure optimization method and system based on a gas sensor, comprising the following steps: obtaining gas chamber channel flow rate and temperature data, identifying compression section numbers, positioning light beam reflection abnormal paths, reconstructing local structure proportions, calculating volume and flow rate difference values, screening retention area numbers, setting coating configuration parameters, establishing reflection control lists, correlating structure adjustments and wavelength response intervals, and generating optimized gas chamber structure configuration information.The present application effectively identifies structures that need to be optimized by obtaining and analyzing test data of the gas chamber channel and comparing structure compression critical proportions, improves the adaptability of the structure, enhances the measurement accuracy and response speed of the analyzer, performs abnormal detection and optimization on the light beam path, effectively reduces the overlap and interference of the light beam, improves the reliability of the detection results, and optimizes the flow efficiency of the gas by redesigning the channel form and proportion.