Abstract: An optical sensing module is configured to detect a characteristic of a sample. The optical sensing module includes a light source, a light guide plate, a first cladding layer, a light converging layer, a filter layer, and a plurality of sensors. The light source is configured to provide an exciting beam. Positions of the sensors correspond to positions of the holes. After the exciting beam enters the light guide plate, at least one portion of the exciting beam is transmitted to the sample through a portion of the surface of the light guide plate exposed by the holes, the sample is excited by the exciting beam to emit a signal beam, and the signal beam passes through the light converging layer and the filter layer in an order and travels to the sensors. Another optical sensing module is also provided.

Abstract: A blade arrangement for use in a bladed chassis system includes a splice module coupled to a blade. The splice module includes a splice region, a storage region, a first enter/exit region at the first side, and a second enter/exit region at the second side. Either of the enter/exit regions can be faced towards a rear of the blade when the splice module is mounted to the blade. The splice allows unterminated optical cables routed to the rear of the blade to be optically spliced to connectorized pigtails that are received at rear ports of optical adapters on the blade.

Abstract: A fiber optic cable sub-assembly comprises a fiber optic cable including at least one optical fiber, a cable jacket that houses the optical fiber and at least one metal strength member. A collar is attached to an end portion of the metal strength member, wherein the optical fiber extends beyond an outer axial end of the collar. In another example a fiber optic cable assembly is fabricated from the fiber optic cable sub-assembly wherein a connector housing is attached to the collar, and an interface operably connects an end portion of the optical fiber to an active optical component within the connector housing. In further examples, methods of assembly for a fiber optic cable sub-assembly are provided along with using the sub-assembly for making a fiber optic cable assembly.

Abstract: In one embodiment, an apparatus includes a wavelength-shifting element configured to receive an input-light signal. The wavelength-shifting element includes a wavelength-shifting material configured to absorb at least a portion of the received input-light signal and produce an emitted-light signal from the absorbed portion of the received input-light signal. The apparatus also includes an optical-concentrating element configured to receive at least a portion of the emitted-light signal and concentrate the received portion of the emitted-light signal onto a photodetector. The apparatus further includes the photodetector configured to receive the concentrated portion of the emitted-light signal and produce an electrical current corresponding to the concentrated portion of the emitted-light signal.

Abstract: Systems, methods, and computer-readable media are disclosed for ambient light sensing for electronic displays. In one embodiment, a device may include a cover layer, a display, and a capacitive sensor stack positioned in between the cover layer and the display. The capacitive sensor stack may include a first sensor optically coupled to the cover layer, a light guide optically coupled to the first sensor, where the light guide is translucent and compressible, and a second sensor optically coupled to the display and to the light guide. The capacitive sensor stack may be configured to detect a force received at the cover film and to compress in response to the force.

Abstract: A method and apparatus for improving contrast in prism coupling measurements of waveguide mode spectra, wherein the measured waveguide sample has a surface region of rapidly decreasing index, characterized with normalized slope ? ? n ? ? n ? z ? > 0.0004 . An opaque light-blocking element is placed in the portion of the light beam closest to the plane of the contact between prism and measured sample, on the input side, output side or both sides of the prism. The light blocking element prevents light from the light source to reach a portion of the length of the prism-sample coupling interface along the optical path, prevents light reflected from a portion of the aforementioned length to reach the detector, or both when input and output light-blocking elements are used.

Abstract: Techniques are disclosed for filling gaps formed between a press-fit component and an optical subassembly housing to introduce a seal or barrier that can prevent or otherwise mitigate the ingress of contaminants. In an embodiment, a layer of sealant material is applied to one or more surfaces of an optical component prior to press-fitting the component into an optical subassembly housing. Alternatively, or in addition to applying sealant to one or more surfaces of an optical component, a layer of sealant material may be disposed on an interface formed between an outer surface of the optical subassembly housing and the optical component press-fit into the same. Techniques disclosed herein are particularly well suited for small form-factor optical subassemblies that include one or more optical components press-fit into openings of a subassembly housing during manufacturing.

Abstract: An angular velocity sensor including a drive extension mode. In one aspect, an angular rate sensor includes a base and at least three masses disposed substantially in a plane parallel to the base, the masses having a center of mass. At least one actuator drives the masses in an extension mode, such that in the extension mode the masses move in the plane simultaneously away or simultaneously towards the center of mass. At least one transducer senses at least one Coriolis force resulting from motion of the masses and angular velocity about at least one input axis of the sensor. Additional embodiments can include a linkage that constrains the masses to move in the extension mode.

Abstract: A method is provided of determining the coverage of at least one optical sensor in a three dimensional (3-D) area. The 3-D area is divided into cells. The field of view of the sensor in the 3-D area is determined and rays are projected from the sensor into the 3-D area within sensor's field of view. The intersections between the rays and the cells are determined and a visual display of the 3-D area is generated showing the coverage of the sensor, based on the intersections.

Abstract: A hermetically sealable package may be formed from a top portion and a bottom portion mated along a seam at or near a plane of an optical fiber. A completed pill assembly may be positioned directly into the enclosure base without requiring the fiber to be threaded through the feed through or “snout”. The top potion may then be mated with the bottom portion to form the package. A glass solder ring may be placed coaxial with the fiber in the feed through. The seam may be sealed by laser welding and the glass solder ring reflowed by laser heating, for example, with a same laser as used to weld the seam or by resistive or induction heating.

Abstract: A method of manufacturing an assembly to couple an optical fiber to an opto-electronic component includes providing the optical fiber having an end section with a front face to couple light in and out of the optical fiber, providing a housing to encase the end section of the optical fiber. The housing is formed with an opening to receive the optical fiber. The method further includes inserting the optical fiber in the opening such that the end section of the optical fiber is disposed inside the housing, attaching the optical fiber to a surface of the housing arranged to form a boundary of the opening, and aligning the front face of the optical fiber to the opto-electronic component.

Abstract: A lens array fabrication method for fabricating a lens array includes: receiving pins of a film attaching instrument (jig) in second guide holes of a film-containing base plate; bonding a placement area and an adhesion layer (F); removing the pins; causing a detachment between a first detachment film (C) and a pressure-sensitive adhesive optical film (D); separating three layers (D) to (F) from two layers (B) and (C); receiving the pins in first guide holes of a lens array main unit; fitting a film holding protrusion in a depression part; bonding the film (D) to a bonding region (i); removing the pins; and causing a detachment between the film (D) and a second detachment film (E).

Abstract: This application relates to methods and apparatus for monitoring of conduits, especially oil or gas pipelines, as an object such as pipeline pig moves within the conduit. The method comprises monitoring at least part of a conduit (206) using a fibre optic (202) distributed acoustic sensor (204) as the object (208) passes along the conduit. The acoustic signals detected from at least one sensing location (203) as the object moves along the conduit are analysed so as to discriminate acoustic signals received at said sensing location from different locations. The method allows the contributions to the acoustic signal at a given sensing portion from different locations to be separately identified, and can allow the detection of the location of acoustic sources along the conduit even if the source is outside the section of conduit which is monitored. The method provides a method of leak detection that can extend the monitoring of the pipeline beyond the location of the optical fibre.

Abstract: A device for bending an optical fiber and receiving light is provided with a recessed holding member having a recess, a projecting holding member having a projection projecting toward the recess, light receiving elements for receiving leak light from an optical fiber held between the recess and the projection, and a supplemental support mechanism that is substantially independent of the recess or the projection and supplementarily supports the optical fiber between the recess and the projection such that the leak light from the optical fiber is received by center of the light receiving elements.

Abstract: An electronic circuit device, including a combined optical transmission and cooling fluid conduit network. The network includes at least one cooling conduit having an optical transmission medium. The network is configured to convey a cooling fluid via the at least one cooling conduit and to convey an electromagnetic signal via the optical transmission medium. The network is in thermal communication with a first set of one or more components of the electronic circuit device and in signal communication with a second set of one or more components of the electronic circuit device. The first set and second set of components are at least partly overlapping. A method for conveying optical signal in such an electronic circuit device is also provided.

Abstract: Disclosed are methods and apparatus adapted to aid in an illumination of a test sample in a test vessel. The method includes sequencing multiple wavelength light sources by turning OFF all but the light source of interest and taking a reading. The illumination apparatus has a bracket with a first and second arms and a space between them adapted to receive a test vessel, an array of light sources and a lens array coupled to the first arm, an array of bandpass filters adapted to filter light signals from each light source, at least one aperture array adapted to limit an extent of light emitted to the test vessel, and a single photo detector coupled to the second arm adapted to receive light signals from each of the light sources without moving the test vessel. Systems are disclosed, as are other aspects.

Abstract: An optical connector comprising a connecting structure, an optical receiver located within the connecting structure, an optical transmitter located within the connecting structure, and a heat sink located within the connecting structure. The heat sink is configured to conduct heat away from the optical receiver and the optical transmitter. The optical receiver and the optical transmitter are thermally connected to the heat sink.

Abstract: A method for graphically displaying a vehicle condition within an automotive vehicle is disclosed. The method includes the steps of receiving information from a sensor on a vehicle regarding a vehicle condition. The vehicle condition is measured against a predetermined level for that specified vehicle condition. The method then determines if the vehicle condition is above the predetermined level. If the vehicle condition is above the predetermined level, the method then transmits information regarding the vehicle condition to a processor connected to a display screen. The method then proceeds to graphically display the vehicle condition on a vehicle within the vehicle by means of a graphical replication of an image replication of the actual vehicle condition in the actual vehicle being used.

Abstract: A plurality of optical fibers is helically embedded in tubular installation layers on the outer circumferential surface of a shaped body having a circular cross section. A three-dimensional position of the shaped body after deformed produced by bend, torsion, or stretch due to external force is measured by utilizing frequency change or phase change of pulse laser light emitted into the optical fibers caused by Brillouin scattering and/or Rayleigh scattering occurring in the optical fiber deformed in accordance with the shaped body deformation.

Abstract: Electronic circuit device (ECD) and method for conveying clock signal in an ECD. The ECD includes: a cooling fluid conduit network (CFCN) including at least one conduit adapted for conveying an electromagnetic signal, wherein the CFCN is arranged in thermal communication with a first set of one or more components of the ECD and is in signal communication with a second set, and wherein the CFCN is configured to convey both a cooling fluid in the at least one conduit and an electromagnetic signal via the at least one conduit; a clock signal injection unit configured to inject an electromagnetic clock signal (ECS) at an input location of the CFCN; and a clock signal collection unit configured to collect at an output location of the CFCN, an ECS for one or more components of the second set, wherein the ECS is conveyed via a conduit of the CFCN.

Abstract: Apparatus including: an optical waveguide bundle including a plurality of optical waveguides substantially aligned along a waveguide bundle axis, each optical waveguide having a longitudinal core configured to transmit light; a plurality of the optical waveguides each including a Bragg reflector, the Bragg reflectors configured to couple light incident from a direction substantially transverse to the waveguide bundle axis into the optical waveguides in a propagating mode in the longitudinal cores; and each of a plurality of longitudinal cores being in optical communication with an optical detector configured to detect light transmitted in the longitudinal cores.

Abstract: A data transmission between a device and a first and a second optical maintenance port involves a transmission reflector in the form of a solid-state bound data line having a gap and a Y coupler. This allows recording of the communication between the device to be read out and the first optical maintenance port in real time by means of the second optical port. Likewise, communication by means of electromagnetic energy is possible between the first and the second optical maintenance ports.

Abstract: A cable assembly includes a cable bundle extending between first and second cable ends. A first electrical connector is terminated to the first cable end and has first contacts defining a first mating interface. A second electrical connector is terminated to the second cable end and has second contacts defining a second mating interface. A flexible light pipe extends along the length of the cable bundle. The flexible light pipe has a first light pipe interface at a first end of the flexible light pipe and a second light pipe interface at a second end of the flexible light pipe. The first light pipe interface is at or beyond the first cable end for interfacing with a component associated with a first mating connector and the second light pipe interface is at or beyond the second cable end for interfacing with a component associated with a second mating connector.

Abstract: An inclined surface-equipped lens includes a first inclined surface and a second inclined surface inclined relative to a plane perpendicular to an optical axis, and a corner portion formed by the first inclined surface and the second inclined surface being in contact with each other. Each inclined surface makes a predetermined inclination angle with the plane perpendicular to the optical axis, and the corner portion is located out of the optical axis and raised outward.

Abstract: An opto-electronic assembly is provided comprising a substrate (generally of silicon or glass) for supporting a plurality of interconnected optical and electrical components. A layer of sealing material is disposed to outline a defined peripheral area of the substrate. A molded glass lid is disposed over and bonded to the substrate, where the molded glass lid is configured to create a footprint that matches the defined peripheral area of the substrate. The bottom surface of the molded glass lid includes a layer of bonding material that contacts the substrate's layer of sealing material upon contact, creating a bonded assembly. In one form, a wafer level assembly process is proposed where multiple opto-electronic assemblies are disposed on a silicon wafer and multiple glass lids are molded in a single sheet of glass that is thereafter bonded to the silicon wafer.

Abstract: A fourth port of a first WDM-type optical coupler and a fifth port of a second WDM-type optical coupler are optically connected, and a second port of the first WDM-type optical coupler and an eighth port of the second WDM-type optical coupler are optically connected. A light source for emitting excitation light is connected to a first port of the first WDM-type optical coupler, and a light-receiving section (light detector) is connected to a sixth port of the second WDM-type optical coupler. Excitation light is emitted through a seventh port of the second WDM-type optical coupler toward an observed subject, fluorescence from the observed subject is acquired through the seventh port of the second WDM-type optical coupler, and input fluorescence is detected by the light-receiving section.

Abstract: A photoelectric converter includes a circuit board, a laser diode, a plurality of optical sensors mounted on the circuit board, a transmission body, and a first lens set, a second lens set, and a plurality of optical fibers mounted on the transmission body. The transmission body defines a reflection groove and a plurality of optical signal splitting holes. A first sidewall of the reflection groove is inclined relative to the transmission direction of the optical signals. A bottom surface of each optical signal splitting hole is inclined relative to the first sidewall and to the second surface. The optical signals transmitted by the first lens set are reflected by the first sidewall. Most of the reflected optical signals are transmitted to the optical fibers via the second lens set, and a small remaining portion of optical signals are reflected by the bottom surface to the optical sensors.

Abstract: A fiber optical superconducting nanowire detector with increased detector efficiency, fabricated directly on the tip of the input optical fiber. The fabrication on the tip of the fiber allows precise alignment of the detector to the fiber core, where the field mode is maximal. This construction maximizes the coupling efficiency to close to unity, without the need for complex alignment procedures, such as the need to align the input fiber with a previously fabricated device. The device includes a high-Q optical cavity, such that any photon entering the device will be reflected to and fro within the cavity numerous times, thereby increasing its chances of absorption by the nanowire structure. This is achieved by using dedicated cavity mirrors with very high reflectivity, with the meander nanowire structure contained within the cavity between the end mirrors, such that photons impinge on the nanowire structure with every traverse of the cavity.

Abstract: An imaging apparatus for diagnosis is connected with a probe including a transmitting and receiving unit transmitting a light transmitted from a light source continuously to the inside of a body cavity and concurrently, receiving a reflected light continuously from the inside of the body cavity, and generates a tomographic image inside the body cavity based on the obtained reflected light by obtaining the reflected light from the transmitting and receiving unit while rotating the transmitting and receiving unit. The apparatus includes a mechanism for extracting intensity of the reflected light obtained by a phenomenon that the light transmitted to the transmitting and receiving unit is reflected at the transmitting and receiving unit; and a mechanism for judging whether or not the extracted intensity of each reflected light at each rotary angle of the transmitting and receiving unit lies in a range of a predetermined variation width.

Abstract: Provided are a hybrid optical coupling module and a manufacturing method thereof. The hybrid optical coupling module includes an optical unit configured to include an optical transmission means that transmits an optical signal, and an array lens that is bonded at a point where the optical signal of the optical transmission means is output and focuses the output optical signal, and an electrical unit configured to receive the optical signal focused through the array lens and convert the received optical signal into an electrical signal. Here, an alignment mark is formed on the optical transmission means and the array lens so that the array lens is bonded at the point where the optical signal of the optical transmission means is output.

Abstract: A proximity sensor that includes a light emitting section that emits light; a light receiving section that detects the light emitted from the light emitting section reflected from an object; a window member that covers the light emitting section and the light receiving section; a first columnar portion disposed to extend between the light emitting section and the window member; and a second columnar portion disposed to extend between the light receiving section and the window member.

Abstract: A radiation passing layer has a top surface and a bottom surface below which a proximity sensor is positioned. A radiation shield is between the emitter and the detector, and extends to the bottom of the radiation passing layer. A radiation absorber being a separate piece and of a different material than the shield is positioned to provide a radiation seal between the top surface of the shield and the bottom surface of the radiation passing layer. Other embodiments are also described and claimed.

Abstract: A photosensitive control system includes a light source device configured to provide a directional light beam and a photosensitive device which includes at least one pre-arranged photosensitive unit. Also, the photosensitive control system has a light guide device configured between the light source device and the photosensitive device for guiding the light beam to the at least one photosensitive unit and therefore the photosensitive device produces a sensing signal. In addition, the photosensitive control system includes a controller configured to receive the sensing signal and provide control data in accordance with the sensing signal.

Abstract: An ophthalmic surgical device is disclosed that combines laser energy for treatment of vision or ocular defect and illumination energy for visualization of a treatment site during surgery in a single common waveguide fiber, thereby enabling reduction of a diameter of a probe or canula of the device, whereby a smaller incision may be utilized to reduce trauma to the eye. The device may further include additional features, such as a conduit for supply of material or removal of material from the treatment site.

Abstract: A cooled optical light guide is provided having a conduit having a translucent top and a translucent bottom wherein at least a portion of the translucent top of the conduit is in alignment above at least a portion of the translucent bottom of the conduit. A fluid medium that is preferably cooled flows through the conduit. The optical light guide is placed between a scintillator array and an array detector. The temperature of the light that is emitted by the scintillator array is stabilized, and preferably cooled, as it passes through the translucent bottom of the conduit and through the translucent top of the conduit for detection by the array detector. A method of temperature stabilization for photomultiplier based detectors is disclosed.

Abstract: An optical device may include first and second lasers generating first and second laser beams; and a photo detector detecting the first and second laser beams. The optical detector comprises a substrate, a first impurity layer on the substrate, an absorption layer on the first impurity layer and a second impurity layer on the absorption layer. The absorption layer generates a terahertz by a beating of the first and second laser beams and has a thickness of less than 0.2 ?m.

Abstract: There is provided an opto-electronic circuit board that includes a first board, a second board coupled with the first board via solder, where the second board is mounted with an electronic circuit and a photoelectrical conversion device, and a wall disposed between an optical coupling portion and the solder. The optical coupling portion is for optically coupling an optical waveguide with the photoelectric conversion device, where the optical waveguide is formed in the first board.

Abstract: An optical signal inspection device includes a housing, a diagnostic unit, an optical specimen holder, a light-shielding module, and a guiding unit. A receiving space is defined internally of the housing. The housing has an optical fiber holding area formed thereon. The optical specimen holder has an upper jaw member and a lower jaw member. The light shielding module has a main body and two lateral shielding members disposed thereon. Two side portions of the lower jaw member are formed matchingly to the lateral shielding members. The guiding unit is secured to the upper or lower jaw member. When the upper and lower jaw members are used to clamp the optical fiber for inspection, interference due to ambient lighting can be prevented by the light shielding module. Thus, quick and accurate inspection results can be obtained by the user.

Abstract: An optical microresonator is configured as an optical microbubble formed along a section of an optical microcapillary. The curvature of the outer surface of the microbubble creates an optical resonator with a geometry that encourages the circulating WGMs to remain confined in the central region of the bubble, creating a high Q optical resonator. The resonator may be tuned by modifying the physical properties of the microbubble, allowing the resonator to be used as an optical filter. The resonator may also be used as a sensor or laser by introducing the material to be sensed (or the active laser material) into the microcapillary along which the microbubble is formed.

Abstract: An optical device includes a light-transmitting medium positioned on a base. The light-transmitting medium defines a waveguide. The optical device also includes a light sensor. The light sensor includes a light-absorbing medium positioned on the base. A portion of the waveguide ends at a facet such that a first portion of a light signal being guided by the wavegide passes through the facet and a second portion of the light signal bypasses the facet and remains in the light-transmitting medium. The light-absorbing medium is positioned on the light-transmitting medium such that the light-transmitting medium is between the light-absorbing medium and the base. Additionally, the light-absorbing medium is positioned on the light-transmitting medium such that the light-absorbing medium receives the first portion of the light signal that passes through the facet.

Abstract: An optical module includes a light-receiving element configured to convert an incident optical signal to an electric signal. The light-receiving element includes a mesa part configured to laminate at least a first semiconductor layer, a light absorption semiconductor layer that absorbs an optical signal entering from a light reception surface, and a second semiconductor layer. The light-receiving element also includes an electrode part disposed on a top of the mesa part and a wiring part that covers a part of a side surface of the mesa part. The optical module includes a lens configured to condense an optical signal from an optical fiber onto the light reception surface. The wiring part is disposed at a position based on an intensity distribution of the optical signal on the light reception surface.

Abstract: A optical control sensor system includes a driver controlling an operation of a light source coupled to an end of an optical fiber, an orthogonal signal generator, generating a set of different orthogonal signals controlling the driver, a terminal sensor coupled to another end of the optical fiber selecting a predetermined set of input orthogonal signals for converting them into component combinations, constituting output signals, and directing the output signals back to the optical fiber, a device coupled to the light sources and to the first end of the optical fiber for extracting output signals that have passed through a return path in the optical fiber, a detector converting optical output signals into electrical signals, and a selector and a decoder connected to the orthogonal signal generator indicating a current state of the optical control sensor system based on an analysis of the selected combinations of components in the output signals.

Abstract: The present invention provides a main body unit of an optical fiber photoelectric sensor and the optical fiber photoelectric sensor, which improves optical coupling efficiency of a light emitting element and a light projecting side optical fiber and is capable of making uniform light incident on the light projecting side optical fiber without highly accurately positioning the light emitting element and a condenser lens. The main body unit of the optical fiber photoelectric sensor makes light emitted from an LED chip converge by the condenser lens and incident on the light projecting side optical fiber; and also makes light not incident on the condenser lens and emitted around the condenser lens reflect by a reflecting surface provided around the condenser lens, then refract the reflected light by a refractive surface, and incident on the light projecting side optical fiber.

Abstract: A variable optical attenuator (VOA), which may include a Mach-Zehnder interferometer, is configured such that a substantial part of an input signal is output on a first waveguide, and a relatively small part of the input signal may be output on a second waveguide due to manufacturing process variations and/or other non-idealities. Such residual or extraneous light may interfere with light in the first waveguide, especially if the VOA is integrated on substrate. Accordingly, consistent with an aspect of the present disclosure, a photodiode may be provided to receive and absorb the residual light, thereby minimizing interference or cross-talk with light in the first waveguide.

Abstract: An FOT module is provided that has a molded cover in which an optical beam transformer is integrally formed. The molded cover includes at least a nontransparent molded part that is secured to a mounting structure, such as a molded leadframe or a PCB, on which at least one active optical device is mounted. The material of which the nontransparent molded part is made has a CTE that matches, or nearly matches, the CTE of the body of the mounting structure. Consequently, exposure of the FOT module to temperature variations will not result in delaminations at the interface of the mounting structure and the nontransparent molded part.

Abstract: A light transmission module includes a light transmission path for transmitting light, an optical element including a light emitting and receiving surface for optically coupling with the light transmitted by the light transmission path, and being formed with a light emitting and receiving point having a function of photoelectric conversion and an electrode pad on the light emitting and receiving surface. The light transmission module further includes a substrate mounted with the optical element and an electrical wiring and an electrical connecting member for electrically connecting the electrode pad and the electrical wiring. The substrate includes a wiring exposed surface where the electrical wiring is exposed. The electrical connecting member is made of solidified object of a liquid conductive material arranged to contact the electrical wiring, which is exposed at the wiring exposed surface, and the electrode pad.

Abstract: An optical module is configured such that it is not susceptible to fine particulate matter when an optical fiber is inserted into a fiber insertion hole thereof. The optical module is also configured to prevent any reduction in the optical coupling efficiency and degradation of anti-noise properties with the optical fiber. The optical module includes: a ferrule, having the fiber insertion hole formed on an end surface on which an electrical circuit is formed; a photoelectric conversion element, connected to the electrical circuit and facing the fiber insertion hole; and an optical fiber, optically coupled directly with the photoelectric conversion element. The optical fiber has a glass fiber and a protective coating, and is aligned with the insertion hole with the protective coating interposed therebetween. The optical fiber is retained in the insertion hole with the glass fiber not in contact with the insertion hole.

Abstract: An optical device including a whispering gallery mode (WGM) optical resonator configured to support one or more whispering gallery modes; and a photodetector optically coupled to an exterior surface of the optical resonator to receive evanescent light from the optical resonator to detect light inside the optical resonator.

Abstract: A photosensitive control system includes a light source device configured to provide a directional light beam and a photosensitive device which includes at least one pre-arranged photosensitive unit. Also, the photosensitive control system has a light guide device configured between the light source device and the photosensitive device for guiding the light beam to the at least one photosensitive unit and therefore the photosensitive device produces a sensing signal. In addition, the photosensitive control system includes a controller configured to receive the sensing signal and provide control data in accordance with the sensing signal.

Abstract: An optoelectronic transmission system includes a light guide module, an optical signal source, an optical fiber, and a light detector. The light guide module includes a light guide body, and a lens formed on the light guide body. The optical signal source emits output optical signals towards the light guide body. The light guide body reflects and directs the output optical signals towards the lens. The optical fiber includes a first end and an opposing second end. The optical fiber transmits the output optical signals from the first end to the second end, and transmits input optical signals from the second end to the first end. The light guide body transmits the input optical signal therethrough. The light detector is positioned at an opposite side of the light guide module to the optical fiber. The light detector receives and converts the input optical signals into electrical signals.