Abstract: Optical stacks including a first reflective polarizer and a partially reflective component are described. The partially reflective component may be a second reflective polarizer or a collimating reflector. The first reflective polarizer has a first average visible light reflectance for light polarized along the first block axis at normal incidence of at least 90 percent and a first average visible light transmittance for light polarized along the first pass axis at normal incidence of at least 85 percent. The second reflective polarizer has a second block axis and a second average visible light reflectance for light polarized along the second block axis at normal incidence being no more than the first average visible light reflectance minus 10 percent. The first and second block axes are not parallel and the first and second reflective polarizers have different f-ratios.

Abstract: Provided is a phase difference film formed of a resin containing a polymer having crystallizability, and having an NZ factor of less than 1. A production method of the phase different film includes: bonding a second film to one or both surfaces of a first film formed of a resin containing the polymer having crystallizability and having a glass transition temperature Tg (° C.) and a melting point Tm (° C.), to obtain a third film, the second film having a shrinkage percentage in at least one direction at (Tg+30)° C. of 5% or more and 50% or less; heating the third film to Tg° C. or higher and (Tg+3)° C. or lower to obtain a fourth film; and heating the fourth film to (Tg+50)° C. or higher and (Tm?40)° C. or lower.

Abstract: An illuminating apparatus for a screen operable in at least two operating modes, viz B1 for a free viewing mode and B2 for a restricted viewing mode. The illuminating apparatus comprising: a backlight with a planar extension radiating light in a restricted angular range; a plate-shaped light guide that is, in a viewing direction, arranged in front of the backlight and with outcoupling elements one of the large surfaces and/or within its volume. The light guide is transparent to at least 70% of the light emitted by the backlight and light sources are arranged laterally at the edges of the light guide. Various parameters are specified for the number of outcoupling elements per unit area and for their extension, and in operating mode B2, the backlight is switched on and the light sources are switched off. In operating mode B1 at least the light sources are switched on.

Abstract: Provided are a light emitting module and a display apparatus. The light emitting module includes: a light emitting unit and a light guide plate; the light guide plate includes a first plate surface and a second plate surface opposite to each other, and a plurality of side surfaces; the light emitting unit is configured to emit light to the light guide plate from the target side surface; the first plate surface includes a plurality of target convex ridges disposed in sequence along a direction away from the light emitting unit; each target convex ridge is configured to totally reflect light emitted from the target side surface into the light guide plate to the second plate surface, angles between the target ridge surfaces of the plurality of target convex ridges and a thickness direction of the light guide plate tends to decrease.

Abstract: An imaging directional backlight apparatus includes a waveguide and light source array for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure in which steps may include extraction features optically hidden to guided light, propagating in a forward direction. Returning light propagating in a backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Viewing windows are formed through imaging individual light sources and defines the relative positions of system elements and ray paths. Alignment of the waveguide to mechanical and optical components may be provided by surface relief features of the waveguide arranged in regions adjacent the input surface and intermediate the light emitting regions of the light sources.

Abstract: A display which is able to dissipate heat from points of concentrated heat generation in a backlight module is provided, which includes the backlight module and a cooling module. The cooling module includes a cooling member and a buffer member. The cooling member is a flat sheet, and the cooling member is made of heat-dissipation material. The cooling member is positioned on a surface of the backlight module. The buffer member is made of soft material with adhesiveness and with elasticity. The buffer member is directly adhered on the cooling member through the adhesiveness of the buffer member to fix the cooling member to the backlight module.

Abstract: An operating device includes a first light-emitting area provided on a front surface of the operating device, a first light-transmitting member that is formed with a material that transmits light and that makes up the first light-emitting area, a second light-emitting area provided on an upper surface of the operating device, a second light-transmitting member that is formed with a material that transmits light and that makes up the second light-emitting area, a light source, and a light guide member adapted to guide light of the light source to the first light-transmitting member and the second light-transmitting member. The light guide member includes a first guide section arranged behind the first light-transmitting member to guide light to the first light-transmitting member, and a second guide section that extends upward beyond a position of the first light-transmitting member toward the second light-transmitting member.

Abstract: A display apparatus includes a light source generating a light, a display panel receiving the light from the light source and including a display area displaying an image and a non-display area disposed adjacent to the display area, and first and second optical sheets disposed under the display panel. Each of the first and second optical sheets includes a body portion overlapped with the display area and a wing portion connected to one side portion of the body portion in the first direction to overlap with a portion of the non-display area. A length of the wing portion of the first optical sheet in the second direction is shorter than a length of the wing portion of the second optical sheet in the second direction, and the wing portion of the first optical sheet is entirely overlapped with the wing portion of the second optical sheet.

Abstract: The present invention discloses a backlight module and a display device. The display device includes a liquid crystal box and a backlight module. The backlight module includes a backplate, a reflective plate, a light guiding plate, an optical film, a supporting block, a light bar, and a light bar circuit board. The backplate, the reflective plate, the light guiding plate, and the optical film are overlapped in order. The supporting block is disposed on an edge portion of the backplate for supporting the liquid crystal box. The present invention is capable of reducing width of bezel areas of the backlight module and fulfilling a slim bezel configuration.

Abstract: A backlight frame structure and a display device are provided. The backlight frame structure includes a backlight module and a frame disposed at a periphery of the backlight module; the backlight module includes a light guide plate and a film covering a part of the light guide plate, a side of the frame facing the backlight module includes a first surface and a second surface, the first surface is opposite to the light guide plate, the second surface is opposite to the film, and the first surface of the frame has a plurality of grooves, the grooves are each recessed in a direction perpendicular to the first surface and are distributed in a direction parallel with the first surface.

Abstract: The present disclosure provide a positioning structure, a backlight source, a display module, and a display device, and the positioning structure is applied to a backlight source include a light guide plate and an optical film, the positioning structure includes a structural body, the structural body includes: multiple protruding structures spaced from each other, an end portion of each of the protruding structures adjacent to the light guide plate forming a contact positioning surface, and at least two contact positioning surfaces located in a same plane forming a first positioning surface for positioning an end surface of the light guide plate; wherein the structural body is provided with a second positioning surface for positioning an end surface of the optical film of the backlight source, and the second positioning surface and the first positioning surface are located at different planes.

Abstract: Photonic integrated circuit packages having improved integration, and methods of manufacturing such photonic integrated circuit packages, are provided. As an example, a photonic integrated circuit package may include a substrate, a first insulating layer on the substrate, a photonic core layer on the first insulating layer, and a second insulating layer on the photonic core layer. A photonic coupling device may be in the photonic core layer, and may be, as examples, at least one of a grating coupler or a photodetector. A concave mirror may extend into at least the second insulating layer. In some embodiments, the concave mirror may extend through the second insulating layer and into the first insulating layer.

Abstract: Methods and structures for shielding optical waveguides are provided. A method includes forming a first optical waveguide core and forming a second optical waveguide core adjacent to the first optical waveguide core. The method also includes forming an insulator layer over the first optical waveguide core and the second optical waveguide core. The method further includes forming a shielding structure in the insulator layer between the first optical waveguide core and the second optical waveguide core.

Abstract: The present disclosure relates to packaging of integrated circuit chips for semiconductor devices. More particularly, the present disclosure relates to packaging of multiple chips for silicon photonics devices. The present disclosure provides a semiconductor device including a photonic integrated circuit (PIC) chip, an inductor positioned over the PIC chip, and a transimpedance amplifier (TIA) chip positioned over the PIC chip. The inductor has a first terminal end and a second terminal end, and the first terminal end is connected to the PIC chip.

Abstract: The present disclosure provides a semiconductor device, including a semiconductive substrate, a dielectric stack disposed over the semiconductive substrate to form a wall of a grating coupler opening, and an etch stopper interfacing with two sublayers of the dielectric stack and partially separating the interface of the two sublayers. The etch stopper has a resistance to a fluorine solution that is higher than that of the two sublayers. A method of manufacturing the semiconductor device is also provided.

Abstract: Grating-based backlighting includes a light guide and a plurality of reflective grating islands spaced apart from one another and optically coupled to the light guide. The light guide is to guide a light beam at a non-zero propagation angle and a reflective grating island includes a reflection mode diffraction grating that is configured to diffractively couple out a portion of the guided light beam as a coupled-out light beam at a predetermined principal angular direction.

Abstract: A probe for optical measurement is provided with an optical fiber, a ferrule in which an optical fiber is inserted such that one end of the optical fiber is exposed from one end of the ferrule and the other end side of the optical fiber is exposed from the other end of the ferrule, a cylindrical body sleeve having non-flexibility in which at least a part of the other end side of the ferrule is inserted, the body sleeve covering a part of the other end side of the optical fiber, and an optical fiber fixture filled in a gap between the optical fiber and the body sleeve and composed of a member formed by solidification of a material having fluidity.

Abstract: An expanded beam ferrule includes a first ferrule halve having first reflective surfaces and a second ferrule halve having second reflective surfaces, which together retain optical fibers. The pair of reflective surfaces output collimated light parallel to the mid-plane of the ferrule. An external sleeve aligns the external surface of two similar ferrules, with corresponding second reflective surfaces of the ferrules facing each other. Output light from an optical fiber held in one ferrule is bent twice by the pair of reflective surfaces, with beam divergence after the first bent, and collimation after the second bent. The collimated light is transmitted to the facing second reflective surface in a facing second ferrule aligned by the sleeve, which is subject to optical reshaping in reverse to that undertaken in the first ferrule, so as to converge and focus light to input to the optical fiber held in the other ferrule.

Abstract: A hybrid outlet system includes an electrical outlet, a fiber optic adapter, and a single faceplate. The electrical outlet is coupled to an electrical system and configured to receive an electrical plug coupled to an electrically powered device. The fiber optic adapter is coupled to a fiber optic network and configured to receive a fiber optic connector coupled to a first end of an optical fiber; the second end of the optical fiber being coupled to a telecommunication or data communication device. The single faceplate is configured to provide plug coupling access to the electrical outlet and connector coupling access to the fiber optic adapter.

Abstract: An optical fiber connector configured for engaging with an external optical fiber connector includes a fiber core, a connector body, a coupling tube, and at least one coupling holder. The connector body has a first end portion and a second end portion, and the first end portion connects and fixes the fiber core. The second end portion is depressed inwardly to define a coupling space, and the external optical fiber connector is detachably plugged into the coupling space and coupled with the fiber core. The coupling tube is disposed in the connector body, and a portion of the coupling tube is located in the coupling space. One end portion of the fiber core is inserted in the coupling tube. The coupling holder is disposed in the coupling space, and corresponding to the coupling tube.

Abstract: A fiber optic connector along with a tool allows for the changing of the polarity of the fiber optic connector. Keys are installed in both the top and the bottom of the fiber optic connector, one in a first position and the other in a second position. Using the tool in one back-and-forth motion, the polarity of the fiber optic connector change be changed. The keys may be colored differently to identify the polarity of the fiber optic connector.

Abstract: A fiber optic connector along with a tool allows for the changing of the polarity of the fiber optic connector. Keys may be installed in both the top and the bottom of the fiber optic connector, one in a first position and the other in a second position. Using the tool in one back-and-forth motion, the polarity of the fiber optic connector can be changed. The keys have a configuration that resist an incorrect insertion and provide better retention of the keys in the correct configuration due to a better retention force.

Abstract: A protective assembly method using a transparent layer within the fiber interconnect system aids in optical coupling by preventing an air gap from forming between the fiber cores within a connector. A thin transparent film (or with adhesive) is placed over the fiber end-faces at the connector interface, the film having characteristics which allows it to conform to the fiber end and minimize coupling loss between fibers. The film is sized to fit connectors faces and can be temporary, being replaced with each installation. A coating can also applied to the connector surface, providing a similar effect, as well as structurally enhancing the connector surfaces.

Abstract: An adapter with novel alignment features engages alignment features on a plug, providing general alignment of the ferrule holders and ferrules in the plug. After the plug engages the adapter, the ferrule holders engage a second set of alignment features in the adapter to provide fine alignment for the ferrules.

Abstract: A fiber optic ferrule and a guide pin clamp allows for changing guide pins in the field. The guide pin clamp has a forward clamp portion, a rearward clamp portion configured to engage the biasing spring and a guide pin retaining plate. The forward clamp portion and the rearward clamp portion move relative to one another to also move guide pin retaining plate from a first position to a second position to allow for the removal or insertion of guide pins.

Abstract: A multiple fiber push-on (MPO) optical connector is provided having a ferrule configured to house multiple optical fibers and including a stepped portion extending from at least one pair of opposing exterior surfaces of the ferrule. A one-piece housing-backpost is provided having a distal end in a connection direction and a proximal end in a cable direction. The one-piece housing-backpost is configured to receive a ferrule spring and the ferrule from the distal end. The housing-backpost includes at least one resiliently-deformable ferrule-retaining protrusion extending from a sidewall to engage the corresponding stepped portion of the ferrule. The resiliently-deformable ferrule-retaining protrusion is configured to deform towards the housing-backpost interior sidewall as the ferrule is inserted from the distal end and to extend outward against the stepped portion of the ferrule when the ferrule is seated in the housing-backpost to maintain the ferrule in the housing-backpost.

Abstract: Connector assemblies are described herein. For example, a connector assembly including: a housing configured to accept a first ferrule and a second ferrule. The connector assembly may also have a push/pull clip that is configure to depress a protrusion that rotates down a connector device to remove the connector assembly from an adapter. The push/pull clip is integrated with a cable boot assembly that allows a user to apply a distal force to remove or insert the connector assembly into the adapter housing. The push/pull clip is configured for use to release a MPO and LC connector type from an adapter.

Abstract: Methods and systems for two-dimensional mode-matching grating couplers may include in a photonic chip comprising a grating coupler at a surface of the photonic chip, where the grating coupler has increased scattering strength in a direction of a light wave traveling through the grating coupler: receiving an optical signal from a first direction within the photonic chip; and scattering the optical signal out of the surface of the photonic chip. A second optical signal may be received in the grating coupler from a second direction within the photonic chip. The second optical signal may be scattered out of the surface of the photonic chip. The increasing scattering strength may be caused by increased width scatterers along a direction perpendicular to the direction of light travel. The increased scattering strength may be caused by a transition of shapes of scatterers in the grating coupler.

Abstract: An optical module includes a housing, and a main circuit board, an optical transmitting assembly, an optical receiving assembly, and an electrical connector that are disposed inside the housing. Each one of the optical transmitting assembly and optical receiving assembly includes at least two sets of optoelectronic chips, an optical assembly, and an optical fiber receptacle. The electrical connector electrically connects the optical transmitting assembly and/or optical receiving assembly to the main circuit board.

Abstract: Tower systems suitable for use at cellular base stations include a tower, an antenna mounted on the tower, a remote radio head mounted on the tower and a power supply. A power cable having a power supply conductor and a return conductor is connected between the power supply and the remote radio head. A shunt capacitance unit that is separate from the remote radio head that is electrically coupled between the power supply conductor and the return conductor of the power cable.

Abstract: An optical connection terminal for a fiber optic communications network includes a base, the base comprising an exterior wall. The terminal further includes a cover connected to the base, wherein an interior cavity is defined between the base and the cover. The cover includes a bottom panel, a first end wall, a second opposing end wall, a first sidewall, and a second opposing sidewall, wherein the bottom panel extends between the first end wall and opposing second end wall and between the first side wall and second opposing sidewall. The terminal further includes an exterior channel defined in the bottom panel, and a stub cable port defined in the bottom panel within the exterior channel of the cover. The terminal further includes a plurality of connector ports defined in the exterior wall of the base.

Abstract: A telecommunications wall fixture includes a body configured for mounting to a wall, the body defining a mounting surface generally parallel to the wall when mounted. A cable storage spool is rotatably mounted to the body for storage and deployment of cable. A device is used for re-orienting the rotation axis of the spool from being generally perpendicular to the mounting surface to being generally non-perpendicular to the mounting surface, wherein the spool is configured such that the spool can be stored within the body when the spool is oriented to have the rotation axis generally perpendicular to the mounting surface.

Abstract: A fiber optic enclosure assembly includes a housing having an interior region and a bearing mount disposed in the interior region of the housing. A cable spool is connectedly engaged with the bearing mount such that the cable spool selectively rotates within the housing. A termination module disposed on the cable spool so that the termination module rotates in unison with the cable spool.

Abstract: Embodiments of a furcated optical fiber cable are provided. A main distribution cable has optical fibers surrounded by a cable jacket. The optical fibers are divided into at least two furcation legs. A furcation plug is located at a transition point between the main distribution cable and the at least two furcation legs. The furcation plug surrounds at least a portion of the main distribution cable and each of the at least two furcation legs. Optical connectors are provided for each of the at least two furcation legs, and each connector includes optical fibers that are spliced at a splice location to the optical fibers of the connector's respective furcation leg. The splice location is closer to the connector than to the furcation plug. A method of furcating an optical fiber cable and a pulling configuration for the furcated optical fiber cable are also provided.

Abstract: A hybrid cable applicable in oil wells is disclosed, comprising a FIMT, a conductor layer formed by continuous laser welding and cylindrically covered the outer surface of the FIMT, the outer cylindrical surface of the conductor layer being covered with a high temperature resistant insulating layer by a continuous extrusion method or by wrapped helically with insulating tapes around the outer surface of the conductor layer and the external steel tube cylindrically covered the outer surface of the insulating layer. The conductor layer is coaxial with the FIMT, the inner space of the hybrid cable to accommodating excess length of the optical fiber for thermal expansions or the tensile stress of the optical cable. The thickness of the insulating layer cylindrically covered the outer surface of the conductor layer can be increased, thereby improving the insulating property. A method of manufacturing such hybrid cable is disclosed.

Abstract: A fiber optic cable includes a core assembly including an optical fiber, a polymeric sleeve surrounding the core assembly, water-swellable material integrated with the polymeric sleeve, and a jacket surrounding the polymeric sleeve. The polymeric sleeve is continuous peripherally around the core assembly, forming a continuous closed loop when viewed in cross-section, and continuous lengthwise along a length of the cable.

Abstract: A flooding composition comprising in weight percent (wt %) based on the weight of the composition: (A) 10-80 wt % of a first component comprising a polyolefin elastomer; and (B) 20-90 wt % of a second component comprising a bio-based fluid.

Abstract: A branch fiber optic cable assembly includes a main fiber optic cable and a plurality of stub cables. The main fiber optic cable has a plurality of branching sites which are spaced apart from each other along an axial direction of the main fiber optic cable. Each of the stub cables has a first end integrally connected to the main fiber optic cable at one of the branching sites, and a second end extending away from the main fiber optic cable. A method of making the branch fiber optic cable assembly is also disclosed.

Abstract: An optical system of the present invention includes a plurality of lenses inclusive of an aspheric lens having an aspheric surface. A light absorption portion having thickness distribution in a direction perpendicular to an optical axis of the optical system is provided on the optical axis. Here, a refractive index of the aspheric lens, a refractive index of the light absorption portion, an aspheric sag amount of the aspheric lens, an aspheric sag amount of the light absorption portion, a height of a position in the aspheric lens through which a marginal ray of an axial ray passes, and a height of a position in the light absorption portion through which the marginal ray of the axial ray passes are each appropriately set.

Abstract: A method and apparatus for packaging a MEMS device is disclosed that includes a MEMS die mounting surface, a MEMS device disposed on the mounting surface, and a fluid contained within the package and surrounding at least a portion of the MEMS device. The fluid may be selected to provide certain advantageous features. For example, the fluid may have a selected index of refraction that is matched with a lens index of refraction of the lens, have a viscosity selected to provide a predetermined mechanical damping to the MEMS device, be thermally coupled with the MEMS device and configured to remove heat from the MEMS device. The fluid may also be configured in mechanical cooperation with a spring mounted scanning element, a linear translation actuator, a rotational actuator, a lens, etc. to actuate or apply fluidic pressure to such elements.

Abstract: An optical device mount is made largely as a single unitary, continuous, and monolithic piece of material. The single-material piece for optical mount includes a frame, a pair of overlapping plates that secure an optical device (an optic) such as a lens or mirror, and flexures that couple the plates to each other and to the frame, so as to allow tilt of the optical device relative to the frame in multiple directions. The optical device mount may include tilt adjustment mechanisms for adjusting the tilt in the multiple directions, for example by putting forces on the plates and/or frame that cause flexing at the flexures, thereby tilting the optical device. The material for the single piece of the optical mount may be any of a variety of suitable materials, such as metals, polymers, or other suitable materials.

Abstract: An imaging lens module includes a plastic barrel, an optical lens assembly and a glue material. The plastic barrel includes an outer object-end surface, an outer image-end surface and an inner tube surface. The inner tube surface connects the outer object-end surface and the outer image-end surface, and includes a plurality of parallel inner surfaces. A plurality of stripe structures are disposed on and protruded from at least one of the parallel inner surfaces, wherein the stripe structures are regularly arranged along a circumferential direction of the parallel inner surface. The optical lens assembly includes a plurality of optical elements disposed in the plastic barrel and arranged along the optical axis, wherein an outer annular surface of at least one of the optical elements is disposed correspondingly to the stripe structures. The glue material is applied among the outer annular surface and the stripe structures.

Abstract: A lens moving mechanism includes a first lens guide unit which guides a lens mount, on which a lens for projecting light is mounted, in two orthogonal axis directions among three orthogonal axis directions including an optical axis direction of the light. The first lens guide unit includes a first track rail and a second track rail which are disposed to intersect each other in the two orthogonal axis directions, and one or a plurality of slider blocks which are mounted to be relatively movable on both or either of the first track rail and the second track rail. The one or plurality of slider blocks are disposed at an intersecting portion between the first track rail and the second track rail in one axis direction orthogonal to the two orthogonal axis directions, or are disposed to at least partially overlap each other in the one axis direction.

Abstract: This invention provides a removably mountable lens assembly for a vision system camera that includes an integral auto-focusing liquid lens unit, in which the lens unit compensates for focus variations by employing a feedback control circuit that is integrated into the body of the lens assembly. The feedback control circuit receives motion information related to the bobbin of the lens from a position sensor (e.g. a Hall sensor) and uses this information internally to correct for motion variations that deviate from the lens setting position at a desired lens focal distance setting. Illustratively, the feedback circuit can be interconnected with one or more temperature sensors that adjust the lens setting position for a particular temperature value. In addition, the feedback circuit can communicate with an accelerometer that reads a direction of gravity and thereby corrects for potential sag in the lens membrane based upon the spatial orientation of the lens.

Abstract: A lens driving device is provided, including: a cover member; a bobbin installed with at least one lens and having a coil unit arranged on an outer circumferential surface of the bobbin; a magnet arranged at a position corresponding to that of the coil unit; first and second elastic members, where one end of each of the first and second elastic members may be respectively coupled to an upper surface and a lower surface of the bobbin and supporting movement of the bobbin in an optical axis direction; a detection unit configured to detect movement of the bobbin in a direction parallel to the optical axis direction; a damping member arranged at a connecting portion between the bobbin and the first elastic member; and a support unit provided at at least one of the bobbin and the first elastic member and maintaining an arranged position of the damping member.

Abstract: A lens structure includes a lens barrel and a lens. The lens barrel includes at least two first locking structures. The lens is disposed in the lens barrel and includes at least two second locking structures. The first locking structures are respectively locked to the second locking structures, so that the lens is fixed to the lens barrel.

Abstract: An optics system, a telescope system, and an optics system for a telescope are provided. The optics system may include a plurality of mirrors arranged around and centered about four orthogonal, rotational axes in a quad-axis Coudé optical path. The rotational axes are consecutively dependent on one another, and the plurality of mirrors direct light to a predetermined region irrespective of an orientation of an incident beam directed to the plurality of mirrors.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of glass material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.

Abstract: The present disclosure discloses a camera optical lens, including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of glass material. The camera optical lens further satisfies specific conditions.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.