1011results about "Fibre light guides" patented technology

To provide an optical system capable of enhancing coupling of light from a light source to an optical fiber, particularly an optical system that can be incorporated into medical instruments such as endoscopes.SOLUTION: There is provided an optical system. The optical system comprises a lens including an input surface for receiving light from at least one light source and an output surface through which the light exits the lens, the lens further including a peripheral surface extending between the input surface and the output surface and configured to direct, via total internal reflection, at least a portion of the light incident thereon through the output surface to an output focal point. The optical system can further comprise a tapered light pipe optically coupled to the lens and a light guide (e.g., one or more optical fibers) that is optically coupled to the tapered light pipe. The lens directs the received light to an output focal point that is disposed within the tapered light pipe.SELECTED DRAWING: Figure 3A

A solid body made of an inactive, light transmissive material has embedded therein an optical fiber having a lengthwise segment in which a scattering structure is formed that is to redirect primary propagating light sideways out of the fiber. An active photoluminescent layer integrated in the optical fiber is to wavelength-convert the primary light into secondary light. The solid body is generally cylindrical but without rotational symmetry about the center longitudinal axis of the fiber. A portion of the outer side surface of the body is curved and is covered by an external reflector, while another portion of the outer side surface is uncovered by the reflector in order for the secondary light to emerge. Other embodiments are also described and claimed.

Embodiments described herein may be related to apparatuses, processes, and techniques related to a dual polarization chiplet that may be used by an optical receiver to split multi-polarized light traveling on a single fiber and carrying two or more light signals into two or more fibers each carrying the particular light signal. The dual polarization chiplet may also be used by an optical transmitter to combine multiple light signals to be transmitted onto a single fiber, where each of the multiple light signals are represented by a different polarization of a wavelength on the single fiber. Other embodiments may be described and / or claimed.

A luminous frame assembly includes a support frame and a pod light device detachably mounted on the support frame. The pod light device includes a housing, light guide bars, and an electronic assembly. The light guide bars are connected to the housing at intervals along a radial direction, with one end of each of the light guide bars, away from the housing, protruding upward and / or downward from the housing. The electronic assembly includes a main board and light-emitting components, with the light-emitting components connected to the light guide bars. When the light-emitting components emit light, a unique visual effect is produced, and top and / or bottom of the support frame are illuminated for providing a clear target to facilitate nighttime play or sports, thereby improving user experience and practicality.

An illumination system is provided, having a handpiece with an illumination unit and a semiconductor lighting element which provides a radiation of essentially blue light in the wavelength between 400 nm and 500 nm, and a light guide unit connectable to the handpiece. The light guide unit includes a fiber-optic light guide rod, having a proximal end face and a distal end face, and a sleeve. The fiber-optic light guide rod is fixed in the sleeve by a first adhesive in a portion of the proximal end face. The light guide unit has a converter, for converting the radiation of a semiconductor lighting element in the operating state into a distal radiation of the fiber-optic light guide rod at its distal end face. The distal radiation in the operating state has essentially white and / or color-neutral light, or colored light, a wavelength in the visible spectral range.

Embodiments herein relate to combinations for light energy excitation. According to one example, light energy may be directed toward a detector surface that may support a biological or chemical sample.

The present disclosure relates to an optical transfer device for tissue treatment. An optical transfer device of the present disclosure includes an optical probe having a light divergence part at the longitudinal end thereof, and a coating part configured to surround the optical probe, wherein the coating part includes a light diffusion part formed at the end thereof configured to cover the light divergence part, the light diffusion part having multiple grooves formed thereon.

An optical system is provided. The optical system includes a light source used for generating light, a fixed portion, an optical assembly having an equivalent focal length to the light and including a first optical element and a second optical element, and a driving assembly used for driving the second optical element to move relative to the first optical element. The driving assembly includes a first driving element used for driving the second optical element to move relative to the first optical element in a first axis, and a second driving element used for driving the second optical element to move relative to the first optical element in a second axis. The first axis and the second axis are different.

An embodiment of the present invention provides a vehicle lighting device including a light source configured to generate light, a light guide including a light incident surface facing the light source configured to transmit light as the light enters the light guide through the light incident surface and a cap member assembled to the light guide to cover the light incident surface, wherein the cap member is disposed with a structure in which one surface of the cap member is in contact with the light incident surface and the other surface thereof is in contact with the light source to fill a space between the light incident surface and the light source.

An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly and a first driving assembly. The movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The optical element driving mechanism further includes a first opening, and an external light beam travels along a first axis to pass through the first opening.

A vehicle window pane having a window pane body assembly having an outer side, which faces a vehicle environment, and an inner side, which faces a vehicle interior, and having a light-conducting layer; and a light source configured to couple its light into the light-conducting layer. An input coupling element coupling light emitted by the light source into the light-conducting layer is disposed on the inner side of the window pane body assembly.

A retinal scanning display device including an optical system emits laser light to a pupil of a user, an optical multiplexer individually receives types of laser light having different wavelengths emitted from a plurality of semiconductor lasers, which combines the types of laser light coaxially to output the combined laser light. On the optical multiplexer, a beam shaper shapes the combined laser light into a light beam having a predetermined divergence or convergence angle, and a direction-of-emission changer changes image signal corresponding to an image to be formed, the direction of emission of the light beam output through the beam shaper within at least a plane intersecting the direction of emission. Then, an optical engine formed with the semiconductor lasers, the optical multiplexer, the beam shaper and the direction-of-emission changer guides the laser light emitted from the direction-of-emission changer to the position of the pupil of the user.

A clamping means for a light guide element includes a receiving section for receiving the light guide element, and a fastening section for fastening the clamping means (and thus the light guide element) to a structure element. The clamping means features two clamping sections connected to each other by a hinge. When the clamping sections are opened to each other, the light guide element can be inserted into or removed from the receiving section. When the clamping sections are closed to each other, the light guide element is hold in the receiving section.

A semiconductor package includes a redistribution layer, a photonic integrated circuit (PIC) chip on the redistribution layer, a buffer chip on the redistribution layer, an electronic integrated circuit (EIC) chip on the PIC chip and the buffer chip, and a plurality of stacked structures on the buffer chip, each of the plurality of stacked structures including a plurality of stacked semiconductor chips. The plurality of stacked structures are spaced apart from one another in a horizontal direction, and a portion of the EIC chip overlaps the PIC chip in a vertical direction, and another portion of the EIC chip overlaps the buffer chip in a vertical direction.

A light source apparatus includes a light guide having a side surface extending in a first direction and first and second end surfaces; an angle converter bonded to the first end surface; a base; a substrate on which a light source configured to output light toward the side surface is mounted and which is fixed to the base; and a cover member fixed to the base and configured to accommodate along with the base the angle converter, the base including a first accommodating section configured to accommodate the light guide in a state in which the side surface is exposed, the light guide fixed to the first accommodating section, and a second accommodating section configured to accommodate along with the cover member an accommodated section that is a portion from the angle converter to a portion of the light guide that faces the angle converter, the second accommodating section and the cover member surrounding a circumference of the accommodated section and form an accommodating space configured to accommodate the accommodated section, a portion of the light guide that is fixed to the first accommodating section being a fixed end, and a portion of the light guide that has the first end surface, to which the angle converter is bonded, and faces the angle converter being a free end.

The utility model discloses a lamp, which belongs to the technical field of illumination, and comprises a light source, a light guide cylinder, a zoom cylinder and a collecting lens, the light guide cylinder is provided with a first light inlet end, the first light inlet end covers the light source, the zoom cylinder is sleeved on the light guide cylinder, the zoom cylinder is provided with a first light outlet end far away from the light source, the collecting lens is arranged on the zoom cylinder, and the first light outlet end is provided with a second light outlet end far away from the light source. And the zoom cylinder can move relative to the light guide cylinder in the length direction of the light guide cylinder so as to change the distance between the light source and the collecting lens. According to the technical scheme, the design of the lamp can be simplified, and the large-angle light blocking phenomenon generated in the lighting process of the lamp can be avoided.

The present invention pertains to optical wave guides (ie structures that guide waves by restricting the transmission of energy to one direction) buoys, anchors, and climate change. The Algal Wave Guide directs energy to Algae in maritime and lake environments in order to expand the viable range of highly productive carbon sequestering environments such as the Brown Algae among others. Sequestering carbon at sea has several advantages over terrestrial methods such as lower cost, surface availability compared to land based real estate, reduced infrastructure, increased fishery quotas, commercial chemical and lubricant production, tourism, fertilizer inputs, etc.

A power tool includes a primary housing, and a motor situated within the primary housing. The power tool also includes a circuit board located within the primary housing, and a light source mounted to the circuit board. The power tool also includes an optical fiber including a first end and a second end. The first end may be coupled to the light source and may be configured to receive light generated by the light source. The second end may be configured to emit the light to an outside of the primary housing to provide a status indication to a user and / or to illuminate a work area.

The invention discloses a multi-core illumination optical fiber, a stranding device and a use method thereof, the multi-core illumination optical fiber comprises a plurality of optical fiber core groups, the plurality of optical fiber core groups are arranged in a manner that a plurality of outer-layer optical fiber core bodies are spirally wound on a plurality of inner-layer optical fiber core bodies, and the plurality of optical fiber core groups tightly wrap a reinforcing tube arranged in the optical fiber core groups in a reciprocating spiral stranding manner. According to the invention, the plurality of optical fiber core bodies are spirally twisted together to form the optical fiber core group, and the reinforcing tubes are additionally arranged in the plurality of optical fiber core groups made in a reciprocating spiral twisting mode, so that the tensile strength of the multi-core illumination optical fiber can be improved, and the service life of the optical fiber is prolonged; the reciprocating stranding mechanism is used for preventing the fiber core body from being sprained and damaged in the stranding process, the positioning frame is additionally arranged in the stranding structure, so that the positioning frame can position and fix the fiber core group in the reciprocating stranding process, the fiber core group is tightly attached to the outer wall of the reinforcing tube, the traditional wire binding operation is avoided, and the processing cost is further reduced.

An optical coupling module, including a transmission optical fiber and at least one pump optical fiber, is provided. The transmission optical fiber has a central shaft extending along a longitudinal direction and includes a first transmission flat portion, a second transmission flat portion, and a transmission tapered portion. The transmission tapered portion is connected between the first transmission flat portion and the second transmission flat portion. The at least one pump optical fiber extends along the longitudinal direction and includes a pump flat portion and a pump tapered portion. The pump flat portion is disposed on the first transmission flat portion. The pump tapered portion is connected to the pump flat portion. A distance from an outer surface of the pump tapered portion to the central shaft gradually decreases from adjacent to the pump flat portion toward a direction away from the pump flat portion.

Described herein is a thermostat that comprises a plurality of pogo pins operatively connected to a plurality of terminal tabs associated with a terminal block assembly of the thermostat. The terminal block assembly is configured in / on a mounting bracket associated with the thermostat, such that a tip of the pogo pins extends at least partially outside from a front side of the mounting bracket. The thermostat further comprises a control unit comprising a printed circuit board that comprises a plurality of electrical pads, wherein the PCB is configured within a housing that is adapted to be removably fitted on the front side of the mounting bracket, wherein the pogo pins are configured to align and engage with the electrical pads of the PCB, upon fitment of the housing on the mounting bracket. to operatively connect the electrical pads of the PCB to the terminal tabs of the terminal block assembly.

An optical member includes a first light guide member having an elongated shape and comprising an end surface and a lateral surface extending in a longitudinal direction from the end surface; and a wavelength conversion layer disposed on the lateral surface of the first light guide member and containing a phosphor.

A light pipe assembly is provided which complies with the International Electrotechnical Commission (IEC) IP ratings for dirt and water ingress while reducing the amount of hardware typically required to mount each light pipe. The light pipe assembly includes a light pipe and an adapter. Each adapter includes a vertically extending center channel which receives and connects a light pipe's first end to an LED mounted upon a printed circuit board (PCB). Each light pipe is intended to project through the hole of an electronic device's panel. Furthermore, each light pipe's second end has flange and a press-fit region, preferably in the form of circumferential ribs, which forms a press-fit engagement with a panel.

The present disclosure concerns an imaging system for imaging a sample immersed in a controlled environment. The system comprises—at least one enclosure configured to hold at least one imaging sensor or camera inside the enclosure, the enclosure including at least one opening and at least one transparent window for imaging the sample; and—a flexible channel comprising a first extremity and a second extremity, the first extremity being connected to the enclosure at said at least one opening and the second extremity being configured to be connected to a wall of the hermetic chamber, the flexible channel defining or enclosing a passage extending through the flexible channel and to or into the enclosure.

A connector assembly includes an electrical connector, a shielding housing, and a light guide. The electric connector comprises a shell, a conductive terminal arranged on the shell and a cable electrically connected with the conductive terminal. The shielding shell is configured to be installed on a circuit board, the shielding shell comprises an accommodating cavity, and the accommodating cavity is communicated with the accommodating slot. The shielding housing is provided with a holding arm. The light guide pipe comprises a first pipe body part, a second pipe body part and a first connecting part, and the first pipe body part and the second pipe body part are located on the two sides of the cable respectively. The first connecting part is provided with a mounting slot, and the holding arm is at least partially inserted into the mounting slot to fix the light guide tube, so that the fixing structure is simplified.

A connector assembly includes a shielding cage, a light guiding pipe and a base. The shielding cage has a plurality of walls and an accommodating space defined by the plurality of walls. The light guiding pipe is assembled to the shielding cage, the light guiding pipe has a light outputting end, a light inputting end and a first assembling portion at a location of the light guiding pipe adjacent to the light inputting end. The base has a light guiding pipe accommodating hole and a second assembling portion provided to the light guiding pipe accommodating hole. The light guiding pipe is assembled in the light guiding pipe accommodating hole, and the first assembling portion of the light guiding pipe is assembled to the second assembling portion of the light guiding pipe accommodating hole, after the first assembling portion of the light guiding pipe is assembled to the second assembling portion of the light guiding pipe accommodating hole from up to down relative to the base, the light guiding pipe is rotated along a rotating direction so that the first assembling portion is fixed to the second assembling portion at the light guiding pipe accommodating hole.

The present invention concerns a viewing apparatus comprising:a first optical line comprising:a projecting system adapted to project a light signal on a first area of the retina of an eye of a wearer of the viewing apparatus,a light signal generator generating the light signal to be projected, anda waveguide comprising an input coupler and an exit coupler, the waveguide being adapted to convey light from the input couple to the exit coupler, and optionally a second optical line comprising an optical system adapted to project a light signal of the environment on a second area of the retina of the eye of the wearer, the optical system comprising a part of the waveguide.

Provided are an optical alignment device and an optical alignment method. The optical alignment device includes an input optical fiber, a light source provided at one terminal of the input optical fiber to generate input light, an input stage provided at another terminal of the input optical fiber, an output stage spaced apart from the input stage, a stage driving control unit configured to control driving of the input and output stages, a camera configured to receive output light generated from the input light by the waveguide chip and detect a waveguide mode, an output optical fiber having one terminal connected to the output stage, an optical power meter configured to detect an intensity of the output light, and a system controller configured to determine the waveguide mode and the intensity of the output light.

The invention discloses a flexible laser backlight plate and a preparation method, and relates to the technical field of laser display, the flexible laser backlight plate comprises a volume scattering particle composite layer, a reflecting layer, a light guide main body layer and a connecting end, and an optical fiber side light leakage optical fiber group is arranged in the light guide main body layer; the connecting end is arranged at one end of the backlight plate and provided with a light inlet end face corresponding to the light inlet end of the optical fiber side light leakage optical fiber set. In the optical fiber side light leakage optical fiber group, the side leakage structures of the optical fibers are non-uniformly distributed along the length direction of the optical fibers, and preset brightness distribution can be formed in the light guide main body layer, so that the preset brightness distribution can be formed and kept on the light emitting surface of the flexible laser backlight plate in a bent or flattened state; the problems of light path change and uneven brightness caused by flexible deformation are effectively solved.