Abstract: A method and a system for verifying an image interface, and an image equipment are provided. The system includes a memory, a receiving module, and a transmitting module; the receiving module connected to an image output interface of a device under test (DUT), the transmitting module connected to an image input interface of the DUT. The method includes obtaining at least one predetermined image from the memory, and generating serial data stream according to the at least one predetermined image; controlling the transmitting module to transmit the serial data stream to the image input interface; controlling the receiving module to obtain returned serial data stream from the image output interface; and determining the image interface of the DUT to be normal when the receiving module successfully obtains the returned serial data stream from the image output interface.

Abstract: Provided are a method for manufacturing a perovskite nanocrystal particle light-emitter where an organic ligand is substituted, a light-emitter manufactured thereby, and a light emitting device using the same. A method for manufacturing an organic-inorganic-hybrid perovskite nanocrystal particle light-emitter where an organic ligand is substituted may comprise the steps of: preparing a solution including an organic-inorganic-hybrid perovskite nanocrystal particle light-emitter, wherein the organic-inorganic-hybrid perovskite nanocrystal particle light-emitter comprises an organic-inorganic-hybrid perovskite nanocrystal structure and a plurality of first organic ligands surrounding the organic-inorganic-hybrid perovskite nanocrystal structure; and adding, to the solution, a second organic ligand which is shorter than the first organic ligands or includes a phenyl group or a fluorine group, thereby substitutes the first organic ligands with the second organic ligand.

Abstract: A substrate treating apparatus and a substrate treating method. The substrate treating apparatus includes a treating unit and a controller. The treating unit includes a substrate holder, a rotation driving unit, a treatment liquid supplying unit, a liquid collecting unit, and a guard driving unit. The substrate holder holds a substrate in a horizontal posture. The rotation driving unit rotates the substrate holder. The liquid collecting unit includes a first guard, a second guard, and a liquid inlet. The first guard and the second guard are arranged so as to surround the substrate holder laterally. The liquid inlet is defined by the guards. The liquid inlet is open toward the substrate held by the substrate holder. The guard driving unit moves the second guard in a vertical direction. The controller controls the guard driving unit in accordance with the shape of the substrate held by the substrate holder, thereby changing a height position of an upper end of the liquid inlet.

Abstract: A tip part for an insertable vision device, and an insertable vision device including the tip part. The tip part includes a housing accommodating an electronic vision receptor and adapted to extend from a distal end of an insertable elongate portion of the insertable vision device, and a light guide positioned within the housing, the light guide having a predetermined length in a longitudinal direction between a light reception end and a light emission end, the light reception end configured to receive light emanated from a light source and the light emission end configured to emit the light. The light guide includes, along at least a portion of the predetermined length, an expanding sector or a narrowing sector.

Abstract: A fusion splicing apparatus includes a fusion splicing unit, a clock unit that outputs a current date and time, and a fusion control unit that controls an operation of the fusion splicing unit and stops the operation of the fusion splicing unit when a remaining period of use known on the basis of the current date and time output from the clock unit and a usable period input from the outside in advance is zero or less. The fusion control unit records information on the number of times of electric discharge per unit period when the clock unit is normal and determines the remaining period of use assuming that the unit period has elapsed when the number of times of electric discharge has reached the number of times of electric discharge per unit period in a case in which an abnormality of the clock unit is detected.

Abstract: A screen saver controller includes a temperature calculator, a temperature comparator, an operator, and a screen saver data generator. The temperature calculator calculates temperature data of a display panel based on input image data. The temperature comparator receives the temperature data and a target temperature and compares a temperature of the display panel with the target temperature to generate temperature change data. The operator receives the temperature data and the temperature change data and generates operation data based on the temperature data and the temperature change data. The screen saver data generator receives the operation data and generates screen saver data based on the operation data. The screen saver controller adjusts a luminance of the display panel based on the screen saver data when operating in a first mode.

Abstract: A color measurement apparatus includes an incident light processing portion that processes light incident through the opening portion, a light emission portion that emits light toward the measurement target, a first circuit substrate in which the incident light processing portion is disposed, a second circuit substrate in which the light emission portion is disposed, and a frame assembly that is formed of a metal material, and in which the first circuit substrate and the second circuit substrate are disposed, in which the frame assembly includes a main frame that forms a base of the apparatus, a first subframe that holds the first circuit substrate, and a second subframe that holds the second circuit substrate, and the first subframe and the second subframe are in direct or indirect contact with the main frame.

Abstract: In some examples, a printer includes a feed mechanism to distribute a build material on a platform and a heater. The heater includes a lamp, a reflector, and a radiant energy absorbing baffle located between the lamp and the reflector. The lamp and the reflector are to direct radiant energy toward the platform, and the radiant energy is to heat the build material.

Abstract: A light guide receptacle for mounting a plurality of light guides in the interior of a housing part, with a plurality of light bulkheads, is configured to arrange the plurality of light guides, which are mechanically coupled to one another by means of a web, in each case in intermediate spaces between two light bulkheads of the plurality of light bulkheads and to optically decouple spatially adjacent light guides from one another by means of the respective light bulkhead, wherein the plurality of light bulkheads are integrated components of the housing part.

Abstract: A light-emitting fiber includes a core and a cladding and is configured to emit light through a side surface of the fiber. A resin used for the core is at least one selected from the group consisting of polymethyl methacrylate, polymethyl methacrylate copolymers, polystyrene, polycarbonates, polyorganosiloxanes, and norbornene, and a resin used for the cladding is fluorine resin. The light-emitting fiber has a fiber diameter of 95 ?m or less.

Abstract: The present invention provides for synthesizing high optical quality multicomponent chalcogenide glasses without refractive index perturbations due to striae, phase separation or crystal formation using a two-zone furnace and multiple fining steps. The top and bottom zones are initially heated to the same temperature, and then a temperature gradient is created between the top zone and the bottom zone. The fining and cooling phase is divided into multiple steps with multiple temperature holds.

Abstract: Disclosed herein is a composition and a method for energy harvesting and the autonomous detection of structural failure. This method can be used to monitor, for example, the structural integrity of unmanned aircraft systems.

Abstract: A wire harness includes an electric wire bundle and an exterior member for electric wire. The exterior member for electric wire includes a tubular exterior body for protecting the electric wire bundle, a slit formed in the exterior body along an exterior axis of the exterior body, and an inner portion continuous with a circumferential end portion of the exterior body. The inner portion is disposed on an outer side of the exterior body before the electric wire bundle is accommodated. Further, the inner portion is formed with an electric wire pressed portion against which the electric wire bundle is pressed. Further, the inner portion is pushed into the exterior body through the slit while being deformed so as to be inverted when the electric wire bundle is pressed against the electric wire pressed portion, and is accommodated in the exterior body together with the electric wire bundle.

Abstract: Optical fiber waveguide for communicating electromagnetic radiation pulsed by an emitter in an endoscopic imaging system. A system includes an emitter for emitting pulses of electromagnetic radiation and an endoscope comprising an image sensor for sensing reflected electromagnetic radiation. The system includes a waveguide communicating the pulses of electromagnetic radiation from the emitter to the endoscope. The system is such that at least a portion of the pulses of electromagnetic radiation emitted by the emitter comprises electromagnetic radiation having a wavelength from about 770 nm to about 795 nm and/or from about 795 nm to about 815 nm.

Abstract: Provided are an allocation method, system and device for power consumption of a complete machine box, and a readable storage medium. The method, applied to a CMC, includes: determining reserved total power consumption, based on rated power consumption of an integral chassis and preset power consumption of each node; allocating the preset power consumption to each node correspondingly; detecting, at a detection frequency, actual power consumption of each node; and re-allocating, for each node, the reserved total power consumption and the preset power consumption of the node, based on a rate of change in the actual power consumption of the node and/or a power consumption utilization ratio that is a ratio of the actual power consumption of the node to the preset power consumption of the node, thereby maximizing the effective utilization ratio of the integral chassis, reducing the unused power consumption, and reducing operating cost.

Abstract: A machine learning device for learning a focal position offset of a laser processing apparatus. A data acquisition section acquires a learning dataset which includes data of a focal position command for a light-focusing optical system given to the laser processing apparatus and detection data of a physical quantity of light detected when a laser beam is emitted from a laser oscillator in accordance with a processing command including the focal position command. A learning section generates a learning model by using the learning dataset, which represents correlativity between the physical quantity of the detected light and the positional relationship of an effective light-focusing position of the light-focusing optical system relative to a workpiece. When performing processing, the physical quantity of light is detected so that a positional relationship between the workpiece and the effective light-focusing position during processing can be estimated from the detected quantity and the learning model.

Abstract: A vehicle lighting device including a light source configured to emit diverging light a fiber bundle including a plurality of optical fibers bundled into a cross sectional shape configured to be optically coupled to the light source; and a coupling device configured to optically couple the light source to the fiber bundle, the coupling device including a reflecting portion configured to reflect the diverging light toward the optical fiber bundle and a blocking portion configured to block light from bleeding from the assembly.

Abstract: A method is disclosed. In one example, the method includes bonding a first panel of a first material to a base panel in a first gas atmosphere, wherein multiple hermetically sealed first cavities encapsulating gas of the first gas atmosphere are formed between the first panel and the base panel. The method further includes bonding a second panel of a second material to at least one of the base panel and the first panel, wherein multiple second cavities are formed between the second panel and the at least one of the base panel and the first panel.

Abstract: A ferrule-based fiber optic connectors having a connector assembly with a ferrule insertion stop for limiting the insertion of a ferrule into a ferrule sleeve are disclosed. In one embodiment, the fiber optic connector comprising a connector assembly, ferrule insertion stop, a connector sleeve assembly and a female coupling housing. The connector assembly comprises a ferrule and a resilient member for biasing the ferrule forward and the connector sleeve assembly comprises a housing and a ferrule sleeve, where the ferrule of the connector assembly is at least partially disposed in the ferrule sleeve when assembled. The ferrule insertion stop limits the depth that the ferrule may be inserted into the ferrule sleeve.

Abstract: To enable a simple mounting and alignment of an optoelectronic measuring device in its operating position, a fastening system is provided for fastening the optoelectronic measuring device. The fastening system includes a fastening section provided at a surface of a housing of the measuring device. An adjustment adapter has a first element for connection to the fastening section and is provided for the alignment of the measuring device in the operating position. The fastening section rises from the surface of the housing and forms a platform having a groove and a latch cutout at at least one side located perpendicular to the surface of the housing. The first element of the adjustment adapter has a tongue element formed with shape matching the groove and a latching protrusion formed with shape matching the latch cutout. The fastening section and the adjustment adapter are latchinigly connectable to one another without tools.

Abstract: A wafer-level optoelectronic packaging method includes fabricating a pre-singulated wafer. The pre-singulated wafer has a plurality of sub-mounts. A first sub-mount of the plurality of sub-mounts includes an optical waveguide formed on a substrate, a multi-layered sub-mount boundary wall that is formed on the optical waveguide, and a v-groove that is external to the sub-mount boundary wall. A plurality of optical dies are attached to the corresponding plurality of sub-mounts, such that each optical die is aligned to the optical waveguide of the corresponding sub-mount. A cap-wafer including a plurality of caps is attached to the pre-singulated wafer to obtain an encapsulated pre-singulated wafer. The encapsulated pre-singulated wafer is diced to obtain a plurality of optoelectronic packages. The optical waveguide of each optoelectronic package serves as an interconnection conduit between the corresponding optical die and an optical fiber placed in the corresponding v-groove.

Abstract: An optical scanning device includes: a first mirror; a second mirror opposed to the first mirror; two non-waveguide regions sandwiched between the first mirror and the second mirror; an optical waveguide region disposed between the two non-waveguide regions; and two intermediate regions. The average refractive index of the optical waveguide region is higher than the average refractive index of each intermediate region. The average refractive index of each intermediate region is higher than the average refractive index of each non-waveguide region. The first mirror allows part of light propagating through the optical waveguide region to be emitted as emission light in a third direction. By changing the refractive index and/or thickness of the optical waveguide region, the third direction, which is the emission direction of the emission light, is changed.

Abstract: An illumination device having a first and second light module each having a light source and an optical unit for generating a first illumination region and a second illumination region, respectively. A control unit controls the first light module and the second light module, so that a larger number of light pixels are imaged in the first illumination region than in the second illumination region with respect to a surface of equal size, wherein the light pixels of the first light module have a greater illumination intensity than the light pixels of the second light module. The control unit acts upon the light sources of the first light module or the second light module such that the light sources of the first and second light module are each operated with a thermal output within a tolerance band and below a maximum thermal output of the at least one light source.

Abstract: An integrated functional multilayer structure includes substrate film, circuitry provided upon the substrate film including a first light source and a monolithic lightguide layer, the lightguide layer includes a first surface and an opposite second surface, the second surface facing the first light source and a portion of the first surface containing, a pre-defined outcoupling area for the light emitted by the first light source and transmitted within the lightguide layer, the lightguide layer further containing a light leakage prohibition region and the attenuation of emitted light effectuated on a direct optical path between the first light source and the outcoupling area is less than the attenuation effectuating on a optical path between the first light source and the light leakage prohibition region. A related method of manufacture is also presented.

Abstract: A non-metallic layer stranded optical cable with a reversal point capable of being positioned and a detection method thereof, which solves the problems of determining a reversal point of a cable core and performing an operation of drawing out an optical fiber from the optical cable. The present invention relates to a non-metallic layer stranded optical cable, and the key points of the technical solution thereof includes a cable core and a metal film provided at each reversal point of the cable core, and an outer sheath is provided on the cable core.

Abstract: An electronically-managed optical fiber connection system is provided. A smart ferrule carrier comprises a plurality of ferrule bays configured to accept a tagged optical ferrule assembly. Each tagged optical ferrule assembly comprises an identification (ID) tag storing identification information for the optical ferrule assembly. A smart carrier board comprising a carrier controller is configured to read and/or write information to/from the ID tag of each tagged optical ferrule assembly. A smart carrier adapter is configured to accept a plurality of smart ferrule carriers, the smart carrier adapter including an adapter controller system. The adapter controller system includes an adapter controller configured to communicate with the carrier controller of each installed smart ferrule carrier and a system controller.

Abstract: A thin film transistor, a method for fabricating the same, an array substrate, a display panel, and a display device are provided. The thin film transistor includes a substrate, and an active layer on the substrate, wherein the active layer includes a poly-silicon layer and has a channel region and two electrode connection regions respectively on two sides of the channel region, and the channel region includes a plurality of lightly drain doping segments, which are spaced apart along from one of the electrode connection regions to the other electrode connection region, and channel segments located between the lightly drain doping segments.

Abstract: An optical fiber cable that includes reduced or minimal use of colorant may include a single optical fiber component and a jacket formed around the optical fiber component. The optical fiber component may include at least one optical fiber and a buffer layer formed around the at least one optical fiber. The buffer laying may include one or more first polymeric materials that are not blended or compounded with any colorant, and no colorant may be formed on an outer surface of the buffer layer. Additionally, the jacket may include or more second polymeric materials that are not blended or compounded with any colorant.

Abstract: An electronic device includes a housing and a display. The housing defines an interior cavity and includes an optically-transmissive housing component. The display is disposed in the interior cavity and is viewable through the optically-transmissive housing component. An optoelectronic component is disposed in the interior cavity. An optical fiber extends between a first end positioned adjacent the optoelectronic component and a second end positioned adjacent the optically-transmissive housing component. The optical fiber defines a non-linear optical path between the first end and the second end. At least a portion of the optical fiber is laterally offset from a lateral edge of the display.

Abstract: A method of manufacturing a light emitting device, the method including: disposing a first semiconductor laser element on a disposition surface of a base member such that a light emission end surface of the first semiconductor laser element is parallel to a first line passing through a pair of alignment marks provided on the base member; and disposing a first light-reflective member on the disposition surface such that a reference line for the first light-reflective member, which serves as an alignment reference in disposing the first light-reflective member, is parallel to a second line that is oblique to the first line at a predetermined angle.

Abstract: Provided is an organic-inorganic-hybrid thin film, which is provided in the form of a layered structure to prevent the scratching of the surface of a variety of kinds of displays, such as those of smartphones, tablet PCs, and laptop computers, and to fabricate ITO hard coating films, gas-barrier plates for flexible displays, and cover windows, and to a method of manufacturing the same, and more particularly, the organic-inorganic-hybrid thin film is provided in the form of a layered structure exhibiting the high light transmittance, mechanically flexible properties, lightweightness, and chemical resistance of a curable resin, and also ensuring the scratch resistance, heat dissipation performance, gas-barrier properties, and inherent refractive index matching of inorganic particles, thus exhibiting optical compensation effects, thereby increasing final surface hardness and satisfying barrier properties and index matching properties.

Abstract: An adapter ferrule is provided configured to connect between a connector and an armored cable. The connector has a connection piece, a nut thread, a lock nut, and a ferrule, the ferrule having at least a threaded region of a first thread standard. The armored cable has a second thread standard different from the first thread standard. The adapter ferrule has a small block and a large block. The small block has an internal threading matching the second thread standard of the armor, the outer dimension of which fits within the threaded region of the ferrule. The large block has a recessed thread configured to fit over the outside of the threaded region of the ferrule, the recessed thread having the same thread standard as the threaded region of the ferrule.

Abstract: Provided is an electronic device, comprising a display panel, comprising a display region and a frame, wherein the frame is provided with a through hole; and a laser sensor, disposed to be aligned with the through hole in a preset state; wherein in the preset state, the laser sensor transmits a first signal to a light-out side of the display panel and receives a second signal through the through hole.

Abstract: A photo detector includes a variable optical attenuator provided on a substrate, an optical 90-degree hybrid device provided on the substrate, and a plurality of photodiodes provided on the substrate. The plurality of photodiodes are optically coupled to the variable optical attenuator via the optical 90-degree hybrid device. The variable optical attenuator includes an optical waveguide disposed on the substrate, a heater configured to heat the optical waveguide, and an insulating layer at least partially disposed between the substrate and the optical waveguide.

Abstract: Provided is a holographic display apparatus. A holographic image display apparatus includes: a light source configured to emit light, the light source including a plurality of vertical-cavity surface-emitting lasers (VCSELs) that are spaced apart from one another; a spatial light modulator configured to, based on a hologram data signal, modulate the light emitted by the light source; and a focusing optical system configured to focus an image formed by the spatial light modulator using a Maxwellian view method.

Abstract: Disclosed herein is an integrated combination of materials within a vesicle, comprising a space filling porous or fibrous structure and an engineered nonuniform elastic truss to form an impact mitigating Hybrid Material System (HMS). The macroscale and microscale structures within the HMS can be configured to absorb kinetic energy and reduce the forces transmitted by impacts through the HMS to any surface or body in contact with the HMS.

Abstract: Systems, methods, architectures, mechanisms and/or apparatus configured to provide a compressive spectral imager for estimating a spectral image of a rotating scene such as a target scene as viewed from a spinning munition.

Abstract: Ingress protected connectors used outdoors are mated with and within an adapter. To aid in mating an orientation finger is provided as part of the proximal end of the ingress protected connector. Within the ingress protected connector is a fiber optic connector being protected from the environment.

Abstract: In a method of manufacturing a display apparatus, the method includes: providing a first mother substrate; forming, on the first mother substrate, a pixel layer comprising a light-emitting device; providing a second mother substrate; forming, on the second mother substrate, a diffraction pattern layer configured to diffract light emitted from the light-emitting device; forming a bonded substrate structure by bonding the first mother substrate, on which the pixel layer is formed, and the second mother substrate, on which the diffraction pattern layer is formed; forming, by cutting the bonded substrate structure, a plurality of unit substrate structures each comprising a first substrate on which the pixel layer is formed and a second substrate on which the diffraction pattern layer is formed; forming a protection member on the diffraction pattern layer; and removing a foreign material on the diffraction pattern layer with the protection member.

Abstract: Systems and methods for achieving full duplex bidirectional transmission across coaxial cable in a hybrid fiber-coaxial cable TV network. Some preferred systems and method will attenuate reflections propagated within the coaxial cable. Other preferred systems may echo-cancel reflections propagated within the coaxial cable.

Abstract: In one embodiment, a film is described comprising a mixture of semicrystalline polylactic acid polymer; polyvinyl acetate polymer having a glass transition temperature (Tg) midpoint as measured by differential scanning calorimetry of at least 25° C.; and plasticizer; wherein the film is oriented. In another embodiment, a film is described comprising a mixture comprising semicrystalline polylactic acid polymer, polymer having a midpoint Tg as measured by differential scanning calorimetry of at least 25° C., and plasticizer; wherein the mixture exhibits a single midpoint Tg and the single midpoint Tg ranges from 40° C. to 65° C.; and wherein the film is oriented and the oriented film exhibits a higher midpoint Tg ranging from 40° C. to 65° C. and a lower midpoint Tg ranging from 5 to 25° C.

Abstract: Systems, methods, and devices for directed to duplex imaging techniques for combining high-resolution surface images obtained with a Scanning Fiber Endoscope (SFE), and high-resolution penetrating OCT images obtained through Optical Coherence Tomography (OCT), from a SFE, and interleaving frames to improve resolution and identify below surface information of biological structures.

Abstract: A fiber optic connector includes a ferrule holder configured to receive a ferrule that terminates an optical fiber cable, a connector sub-assembly configured to receive an optical fiber cable and to hold the ferrule holder, a connector body configured to hold the connector sub-assembly, a shroud configured to encircle the connector body, and a housing configured to encircle a portion of the shroud. The connector body is configured to include a first mating member and a second mating member. The first mating member is configured to include a cantilevered flange, and the second mating member is configured to include a groove on an inner surface of the second mating member. The cantilevered flange is configured to engage with the groove to securely fasten the first mating member with the second mating member.

Abstract: A subject identification device includes: an illuminator configured to generate illumination light including components at a plurality of wavelength bands, each of the components having a characteristic in accordance with a respective one of settings; an imager configured to generate an image signal by capturing light from a subject under the illumination light having the illumination characteristic; and a processor including hardware. The processor is configured to: define an illumination characteristic of the illumination light; analyze the image signal to acquire spectral information of the subject; and cross check the spectral information of the subject with subject identification information in order to identify the subject. When the subject is not identified, the processor is configured to define another illumination characteristic that causes spectral information of potentials for the subject to be identified, and subsequently each of the imager and the processor performs a process.

Abstract: An intravascular or other 2D or 3D imaging apparatus can include a minimally-invasive distal imaging guidewire portion. A plurality of thin optical fibers can be circumferentially distributed about a cylindrical guidewire core, such as in an spiral-wound or otherwise attached optical fiber ribbon. A low refractive index coating, high numerical aperture (NA) fiber, or other technique can be used to overcome challenges of using extremely thin optical fibers. Coating and ribbonizing techniques are described. Also described are non-uniform refractive index peak amplitudes or wavelengths techniques for FBG writing, using a depressed index optical cladding, chirping, a self-aligned connector, optical fiber routing and alignment techniques for a system connector, and an adapter for connecting to standard optical fiber coupling connectors.

Abstract: Embodiments of the present invention are directed to techniques for forming a self-aligned contact liner using metal-insulator transition materials. The self-aligned contact architecture described herein prevents a short between the gate and the source/drain, even when the self-aligned contact (SAC) cap has eroded to the point where the gate is exposed. In a non-limiting embodiment of the invention, a dielectric cap is formed over a conductive gate. A source or drain region is formed adjacent to the conductive gate. A dielectric liner is formed over the dielectric cap and the source or drain region such that a first portion of the dielectric liner is on a surface of the source or drain region. The dielectric liner includes a metal-insulator transition material. The first portion of the dielectric liner is metalized via germanium oxide sublimation.

Abstract: Compact and low mass augmented and fully virtual head mounted display designs are disclosed. The disclosed displays employ a display located between the eye and the main optical element of the head mounted display. These designs additionally afford the ability to support augmented reality displays because the user can see both the virtual image from the display and the real world if desired. The designs use semi-transparent displays where either the display emits circularly polarized light or the displays which emits light from one surface or the view of the display directly from the eye is obscured.

Abstract: A general illumination lighting system and/or at least one targeted surface illumination lighting system. The general illumination lighting system including a general illuminating light source configured to generate light toward one or more surfaces or materials to inactivate one or more pathogens on the one or more surfaces or materials. The at least one targeted surface illumination lighting system including one or more targeted surface illuminating light sources that are integrated into or coupled to a plurality of devices, equipment, or fixtures. The one or more targeted surface illuminating light sources configured to generate targeted light toward one or more surfaces of the devices, equipment, or fixtures to inactivate one or more pathogens on the one or more surfaces. The light from the general illuminating light source and the one or more targeted surface illuminating light source including an inactivating portion having wavelengths in a range of 280 to 380 nanometers.

Abstract: A miniaturized microsystem device including at least one of electrical, optical and mechanical components in a hermetically or non-hermetically sealed housing with respect to air humidity or encapsulated, which contains a desiccant. The humidity-dependent lifetime of the arrangement is determined by measuring the absorptivity of the desiccant.

Abstract: An optical module for transmitting an optical signal may include a circuit board on which electronic components are disposed, a high-frequency component that is disposed on a main surface of the circuit board and operates at a frequency equal to or higher than a predetermined reference value according to a frequency of the optical signal, a low-frequency component that is disposed on another main surface of the circuit board so as to overlap at least partly with the high-frequency component in a plan view and operates at a frequency less than the reference value, and an electromagnetic wave absorber that is disposed on an upper surface of the low-frequency component.