Abstract: The present disclosure provides an antistatic film and a polarizer attachment device. The antistatic film includes a static electricity elimination layer configured to eliminate static charges and an adhesive layer arranged at one surface of the static electricity elimination layer. According to the present disclosure, it is able to directly attach the antistatic film onto a bearing platform of the polarizer attachment device.

Abstract: An image sensor includes microlens array having microlenses arranged to constitute rows and columns. When first axis parallel to the rows and passing through array center of the microlens array, and second axis parallel to the columns and passing through the array center are defined, microlens positioned on virtual circle having the array center as center includes first microlens positioned on the first or second axis, and second microlens positioned on neither the first axis nor the second axis. The first and second microlens have non-circular bottom shape, and width of the second microlens in second direction passing through the second microlens and the array center is larger than width of the first microlens in first direction passing through the first microlens and the array center.

Abstract: The present disclosure generally relates to patterned gradient polymer films and methods for making the same, and more particularly to patterned gradient optical films that have regions that include variations in optical properties such as refractive index, haze, transmission, clarity, or a combination thereof. The variation in optical properties can occur across a transverse plane of the film as well as through a thickness direction of the film.

Abstract: There is herein described a ceramic wavelength converter having a high reflectivity reflector. The ceramic wavelength converter is capable of converting a primary light into a secondary light and the reflector comprises a reflective metal layer and a dielectric buffer layer between the ceramic wavelength converter and the reflective metal layer. The buffer layer is non-absorbing with respect to the secondary light and has an index of refraction that is less than an index of refraction of the ceramic wavelength converter. Preferably the reflectivity of the reflector is at least 80%, more preferably at least 85% and even more preferably at least 95% with respect to the secondary light emitted by the converter.

Abstract: The present invention provides a color filter substrate and a manufacturing method thereof, an organic electroluminescent display panel and a display device. The color filter substrate of the present invention comprises a first base, and a plurality of color filters and black matrixes arranged on the first base, wherein two adjacent color filters are at least partially overlapped, and each black matrix is at least partially arranged at the overlapped position of the two adjacent color filters; and the color filter substrate further comprises a first adhesive layer for eliminating section differences between the adjacent color filters or between the color filters and the black matrixes, and the first adhesive layer is provided with scattering particles therein. The color filter substrate can be used in the organic electroluminescent display panel.

Abstract: An image display apparatus including an image display panel that includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.

Abstract: An optical low-pass filter is arranged on an object side than an image sensor in an image pickup apparatus and has an unevenness shape. The conditions of 5.0 ?m??z?80.0 ?m and 1.0?Ps/<Pf>?20.0 are satisfied where ?z represents a distance between the optical low-pass filter and the image sensor, Ps represents a pixel pitch of the image sensor, and <Pf> represents an average pitch of the unevenness shape.

Abstract: A quantum rod film for a backlight unit of a liquid crystal display is disclosed herein. The quantum rod includes a first barrier layer, a sub-wavelength microstructure on the first barrier layer, and a plurality of quantum rods, wherein the sub-wavelength microstructure includes gratings aligned n a parallel direction an alignment microstructure disposed in grooves between the gratings in a direction perpendicular to the gratings, and a reflective layer on upper surfaces of the gratings. A plurality of quantum rods are arranged in the alignment microstructure of the sub-wavelength microstructure, and major axes of the quantum rods are aligned in a direction perpendicular to the gratings.

Abstract: The present invention is to provide a polarizing plate including an alignment layer applicable to various types of substrates, and having excellent light polarization properties. A polarizing plate 1 of the present invention includes an alignment layer 3, and a polarizing layer 4 disposed on the alignment layer 3, and containing an organic dye having lyotropic liquid crystallinity, wherein the organic dye in the polarizing layer 4 is in a form of supramolecular aggregates, and the alignment layer 3 contains a cycloolefin based resin.

Abstract: A light conduit for an illumination apparatus, such as an in-vehicle illumination device, comprises an elongate transparent body (8) having a proximal end and an opposing distal end. The proximal end includes a proximal end face that is configured to permit light from a light source (4) such as an LED to enter and travel longitudinally along the elongate body. The transparent body is configured to permit light to be emitted from the outer surface of the body along its length. The transparent body includes a plurality of three dimensional light distribution features arranged on the surface of the body at the distal end that are configured to increase the amount of light emitted from the body at the proximal end to achieve uniform light transmission along the length of the body.

Abstract: A circuit module is provided, including: a substrate, having a PCI-E or PCI strip, the PCI-E or PCI strip for being inserted into and electrically connected with a PCI-E or PCI slot; at least one LED, disposed at a side of the substrate opposite to the PCI-E or PCI strip, electrically connected with the PCI-E or PCI strip; a light guide member, being pervious to light, at least corresponding to the at least one LED.

Abstract: A display device includes: a display panel including a display area in which an image is displayed and a non-display area around the display area; and an accommodating member in which the display panel is accommodated. The accommodating member includes a bottom portion on which the display panel is supported. The bottom portion of the accommodating member extends to define a side portion of the accommodating member bent to cover a side surface of the display panel. The side portion defined by the extended bottom portion extends to define a cover portion bent to cover the non-display area of the display panel.

Abstract: A backlight module and a liquid crystal device are disclosed. The backlight module includes a light guiding plate, a plastic frame, a plurality of light emitting diodes (LEDs), and a reflective sheet comprising a first portion, a second portion bending toward the LEDs and a third portion being bent toward the light guiding plate along the light inlets of the LEDs. Wherein a first portion of the reflective sheet being attached to an undersurface of the light guiding plate, a second portion of the reflective sheet comprising a plurality of openings respectively corresponding to the LEDs, and a third portion of the reflective sheet being attached to an area of the top surface of the light guiding plate, and the area is close to the light inlets of the LEDs. In this way, the light utilization rate is enhanced, and the cost is reduced.

Abstract: A lightguide assembly including structures to provide for outcoupling of light from an internal reflection structure. In an embodiment, a lightguide assembly includes light transmissive bodies forming respective corrugations which are coupled to one another. Optical coatings are variously disposed between the respective corrugations, wherein the optical coatings provide for redirection of light from the lightguide assembly. In another embodiment, optical coatings are each applied to a respective one of alternate facets of a corrugation. Polymer film portions provide mechanical support for the optical coatings during application to the corrugation.

Abstract: A light guide plate with multi-directional structures includes a main body, a plurality of first microstructures and a plurality of second microstructures. The main body includes a light-incident surface, a light-emitting surface and a reflecting surface. The light-incident surface connects the light-emitting surface and the reflecting surface. The first, microstructures are disposed on the light-emitting surface or the reflecting surface and arranged along a first extending direction The second microstructures are disposed on the light-emitting surface or the reflecting surface and arranged along a second extending direction. The second microstructures and the first microstructures are disposed on the same plane and intersect with each other. Each of the second microstructures is a single stripe pattern, and has a width which becomes gradually smaller from one end of the second microstructure near the light-incident surface to the other end of the second microstructure away from the light-incident surface.

Abstract: Disclosed is an optical sheet assembly comprising: a first optical sheet which comprises a first base film and a first optical pattern formed on the first base film, light being incident on the first base film; a second optical sheet which comprises a second base film and a second optical pattern formed on the second base film, the light exiting from the first optical sheet being incident thereon; and a third optical sheet which comprises a third base film and a third optical pattern formed on the third base film, the light exiting from the second optical sheet being incident thereon, wherein the first to third optical patterns perform light condensing or diffusing function, the first optical sheet is joined with the second optical sheet, and the second optical sheet is joined with the third optical sheet.

Abstract: The present invention relates to a method for improving luminance uniformity of a side-edge curved module.

Abstract: Disclosed are display panel, multi-facet display structure and display device. Display panel includes a backlight unit and a display screen, backlight unit includes a back plate, a light-guide and a light-source, and light-guide and screen are sequentially disposed on the back plate. Light-guide has a first surface facing to screen and a second surface facing to back plate, orthographic projection of first surface coincides with screen and orthographic projection of second surface coincides with back plate, the source is mounted on a side of light-guide, and the first surface has an area larger than that of second surface such that first surface covers source. The display panel emits light rays generated by source from an entire first surface after the light rays are mixed by a light guide plate, to provide backlight for full surface of screen and then to allow the full screen to display images.

Abstract: A planar illumination device according to an embodiment includes a light guiding plate, a light source, an optical sheet and a frame. The light guiding plate has one of a pair of opposite principal surfaces serving as a light emission surface. The light source is arranged at a side surface. The optical sheet is arranged on a side of the light emission surface. The frame includes a side wall arranged along a side surface and has an overlap portion formed therein, where the optical sheet and the side wall of the frame overlap each other at least partially and where an upper end surface of the side wall is arranged below a lower surface of the optical sheet and covered by the optical sheet at least partially. The adhesive sheet is stuck over an upper surface of the optical sheet and an outer surface of the side wall.

Abstract: Disclosed is an LCD apparatus having a reduced size and weight. The LCD apparatus includes a bottom chassis having a bottom surface and first to fourth sidewalls. The sidewall of the bottom chassis includes a supporting member for preventing a light guiding plate from being moved and a fixing boss for fixing an optical sheet. The bottom chassis includes a lamp insertion portion for receiving a lamp unit, which is disposed on the third and fourth sidewalls of the bottom chassis. The bottom chassis receives a reflecting plate, the light guiding plate and the optical sheet. A mold frame is coupled to the bottom chassis to fix the reflecting plate, the light guiding plate and the optical sheet to the bottom chassis. A display unit disposed on the mold frame is fixed to the mold frame by a top chassis coupled to the mold frame. Accordingly, a bottom mold frame for receiving a backlight assembly is removed, so that it is able to reduce a cost of the LCD apparatus and a weight thereof.

Abstract: A lighting module comprises: a light guide plate comprising a top surface and a bottom surface, wherein the light guide plate is configured to emit a first light upward from the top surface and a second light downward from the bottom surface; a first case covering an one side of the light guide plate; a second case covering an other side of the light guide plate; a first light source which is disposed in the first case and is configured to emit light to the one side of the light guide plate; and a second light source which is disposed in the second case and is configured to emit light to the other side of the light guide plate.

Abstract: Plane-polarized laser-radiation from a laser-source is converted to circularly polarized radiation by a quarter-wave plate. The circularly polarized radiation is input into a hollow-core fiber for transport to a point of use. The transported radiation is converted back to plane-polarized radiation by another quarter-wave plate between the fiber and the point of use.

Abstract: Physiologically responsive mechanically adaptive optical fibers that are suitable for optical interfacing with living organisms. The optical fibers are particularly suited for applications in optogenetics. Dry, stiff fibers display a desirable tensile storage modulus and can be readily inserted into biological and in particular cortical tissue. Exposure to conditions encountered in vivo results in reduction, often a drastic reduction in modulus. When coupled with a suitable light source, the construction can be utilized to stimulate neurons in vivo. Methods for producing and utilizing the optical fibers and devices including the optical fibers are disclosed.

Abstract: The semiconductor device comprises a substrate (1) of semiconductor material, a dielectric layer (2) above the substrate, a waveguide (3) arranged in the dielectric layer, and a mirror region (4) arranged on a surface of a mirror support (5) integrated on the substrate. A mirror is thus formed facing the waveguide. The surface of the mirror support and hence the mirror are inclined with respect to the waveguide.

Abstract: A low reflectance film with a second reflectance (50% or lower) lower than a first reflectance is formed between an optical directional coupler and a first-layer wiring with the first reflectance. Thus, even when the first-layer wiring is formed above the optical directional coupler, the influence of the light reflected by the first-layer wiring on the optical signal propagating through the first optical waveguide and the second optical waveguide of the optical directional coupler can be reduced. Accordingly, the first-layer wiring can be arranged above the optical directional coupler, and the restriction on the layout of the first-layer wiring is relaxed.

Abstract: A semiconductor structure and a method for manufacturing the semiconductor structure are provided. The semiconductor structure includes a processed semiconductor substrate. The processed semiconductor substrate includes active electronic components. The semiconductor structure also includes a dielectric layer that covers, at least partially, the processed semiconductor substrate. An interface layer that is suitable for growing optically active material on the interface layer is bonded to the dielectric layer. An optical gain layer and the processed semiconductor substrate are connected through the dielectric layer by electric and/or optical contacts.

Abstract: A method for photonic device includes an optical macromodule substrate including optical interconnects and a first photonic integrated circuit (PIC) including a first photonic switch, where the first PIC is mechanically coupled to the optical macromodule substrate and optically coupled to the optical interconnect. The photonic device also includes a PIC controller electrically coupled to the first PIC.

Abstract: One example includes a photodetector system. The system includes a waveguide photodetector into which an input optical signal comprising a frequency band of interest is provided and from which the input optical signal is absorbed to generate an output signal that is indicative of an intensity of the input optical signal. The system also includes a reflector coupled to the waveguide photodetector and which is to reject frequencies outside of the frequency band of interest and to reflect the frequency band of interest back into the waveguide photodetector.

Abstract: A fabrication technique for cleaving a substrate in an integrated circuit is described. During this fabrication technique, a trench is defined on a back side of a substrate. For example, the trench may be defined using photoresist and/or a mask pattern on the back side of the substrate. The trench may extend from the back side to a depth less than a thickness of the substrate. Moreover, a buried-oxide layer and a semiconductor layer may be disposed on a front side of the substrate. In particular, the substrate may be included in a silicon-on-insulator technology. By applying a force proximate to the trench, the substrate may be cleaved to define a surface, such as an optical facet. This surface may have high optical quality and may extend across the substrate, the buried-oxide layer and the semiconductor layer.

Abstract: This optical-fiber fusion-splicing device includes: a first heating device (12); a second heating device (13); and a CPU (14) which controls the first heating device (12) and the second heating device (13), wherein the CPU (14) stops heating of the second heating device (13) if heating of the first heating device (12) is started during heating in the second heating device (13), and resumes the heating of the second heating device (13) if the heating of the first heating device (12) is ended, and sets a heating condition after resumption of heating in the second heating device (13), based on at least an interruption time of heating or a change in temperature during heating interruption in the second heating device (13).

Abstract: An example device in accordance with an aspect of the present disclosure includes a splice housing body comprising a raceway within which optical fibers can be positioned, at least one port through the splice housing body to which a pressure fitting for optical fiber can be mounted, a base to which the splice housing body may be removably attached, and a port in one of the splice housing body or base for inserting fluid in the splice housing body.

Abstract: A method for manufacturing an optical waveguide interconnect may comprise providing a substrate, irradiating portions of the substrate's interior volume by directing a processing laser beam into the substrate surface, thus defining one or more surfaces that function as optic components, forming an embedded waveguide in the interior volume by directing the processing laser beam into the substrate surface, and etching away the weakened portions of the substrate's interior volume overlying the defined surfaces using an etchant. The optic components and the waveguide may be aligned to be in optical communication with each other such that an input beam of light may strike the defined surface of a first optic component, traverse the waveguide, and strike the defined surface of a second optic component.

Abstract: An optical interconnect can be located between a first optical guide with a first optical guide end and a second optical guide with a second optical guide end. The first optical guide and the second optical guide can each have an operational wavelength, which can be substantially the same such that light of such a wavelength can propagate through the optical interconnect. The optical interconnect can include a pressure-sensitive material with a first region with a first refractive index at the operating wavelength. The pressure-sensitive material can include a second region with a second refractive index at the operating wavelength located between the first optical guide end and the second optical guide end. The second region can be induced by a mechanical pressure applied between the first guide end and the second guide end.

Abstract: The present invention provides a telescope array and related components and methods. In various embodiments, the telescope array may include a plurality of telescopes, each telescope associated with a focal plane package and a telescope control system configured to control the focus and tracking of the telescope, such that each telescope may be independently focused and pointed. The focal plane package may comprise an optical fiber feed configured to provide a an optical signal to an optical fiber; and a mirror array configured to provide two shifted simultaneous signals to an image capture device. The telescope array may further comprise at least one switchable multi-fiber coupler configured to couple the signals of at least some of the plurality of telescopes and an array control system in communication with each of the telescope control systems.

Abstract: The present invention discloses an alignment system for calibrating a position of an optical fiber (30) in a bore (31) of a ferrule (20), comprising: a calibration ferrule (200) having an alignment guide hole (201) formed therein; an alignment guide element (100) for calibrating a center position of a guide hole (21) of the ferrule, so that a center of the guide hole (21) of the ferrule (20) is aligned with a center of the alignment guide hole (201); a fiber core alignment element (300) comprising a fiber core (302) having a center positioned at a theoretical center relative to a positioning reference defined by the center of the alignment guide hole (201); an optical vision system for identifying a center position of a fiber core (32) of the optical fiber (30) and the center position of the fiber core (302) of the respective fiber core alignment element (300); and a controlling and moving system for actively adjusting the position of the optical fiber (30) in the bore (31) of the ferrule (20) under the guide

Abstract: A tool for cleaning the ends of fiber optic cables at a connection of two cable ends includes a base member having a flat portion and a probe-like end to which swab of absorbent material affixed encompassing the end and suitably sized for insertion into an adaptor at a fiber optic cable connection to clean a fiber optic surface there within. A pad of absorbent material is affixed to the flat portion distal said probe-like end said pad being suitably sized and a configured for cleaning the fiber optic surface of a connector portion of a fiber optic cable connection.

Abstract: An example medical device system includes a reusable connector cable having a female adaptor and a first fiber optic cable disposed within the reusable connector cable. A single use device is capable of connecting to the reusable connector cable and includes a male adaptor capable of mating with the female adaptor. A second fiber optic cable extends through the single use device such that the second fiber optic cable optically connects to the first fiber optic cable when the male adaptor of the single use device is disposed within the female adaptor of the reusable connector cable. A cleaning assembly is disposed within the single use device and is capable of cleaning an end of the first fiber optic cable when the male adaptor of the single use device is mated with the female adaptor of the reusable connector cable.

Abstract: Provided is an optical connector which includes a body including a contact part having a contact groove, a cover having an outer surface on which a protruding lock region is formed, a first insertion part formed on one side end portion of the contact part, and a second insertion part formed on the other side end portion of the contact part; a holder inserted to be slidable into the contact part and the cover, and including an inner upper surface in contact with an outer surface of the contact part, an inner lower surface in contact with the lock region of the cover, and inner side surfaces; a guide protrusion formed to protrude from each side surface of the cover, and a guide slot concavely formed on each inner side surface of the holder in a longitudinal direction of the holder, wherein the guide protrusion is inserted into and guided by the guide slot, wherein the guide slot includes an unlock region in which a vertical distance from an inner upper surface of the holder to a contact point of the guide slot

Abstract: A fiber optic cable assembly for terminating a fiber optic cable along with a method for making the same are disclosed. The fiber optic cable assembly comprises a fiber optic cable having at least one optical waveguide and a jacket, at least one retention component, and a retention body. The retention component is attached to a portion of the jacket of the fiber optic cable to form a retention component sub-assembly. The retention body has an insertion end and a passage extending at least partially along a length of the retention body. The retention component sub-assembly is inserted into the passage so that the at least one retention component is secured to the retention body to complete the fiber optic cable assembly.

Abstract: A cross-cylinder objective assembly includes a fast axis objective (FAO) situated along an optical axis for focusing an incident laser beam along a fast axis, a slow axis objective (SAO) situated along the optical axis for focusing the incident laser beam along a slow axis, and a lens cell having fast and slow axis objective receiving portions for registering the FAO and SAO at a predetermined spacing along the optical axis.

Abstract: An apparatus for coupling a laser and an optical fiber and an optical signal transmission system and transmission method where the coupling apparatus is disposed between a laser and an optical fiber, where the coupling apparatus includes an optical signal transmission part whose inner refractive index changes gradually, where a refractive index becomes higher at a position closer to a principal axis of the optical signal transmission part; and the optical signal transmission part may be configured to shape an optical signal incident from the laser (including optical signal convergence or divergence), so that a mode field radius of the adjusted optical signal matches a core radius of the optical fiber, and the adjusted optical signal can be coupled into the optical fiber in high efficiency.

Abstract: An apparatus comprising a first photonic device comprising a waveguide loop configured to guide a first light from a first location of a surface to a second location of the surface, and a second photonic device comprising a light source configured to provide the first light, and a first alignment coupler optically coupled to the light source and configured to optically couple to the waveguide loop at the first location, a second alignment coupler configured to optically couple to the waveguide loop at the second location, and a photodetector optically coupled to the second alignment coupler and configured to detect the first light when the waveguide loop is aligned with the first alignment coupler and the second alignment coupler, and generate, based on the detection and on the received light, an electrical signal.

Abstract: A space active optical cable (SAOC) includes a cable including one or more optical fibers, and two or more electrical transceivers on opposing ends of the cable and interconnected by the cable. Each of the electrical transceivers includes an enclosure that encloses one or more light sources, one or more light detectors, and control electronics. Also included in the enclosure are a coupling medium to couple light into and out of the one or more optical fibers. The coupling medium can be reflecting surface or an on-axis mount. The enclosure provides a suitable heat propagation and electromagnetic interference (EMI) shielding, and the cable and the two or more electrical transceivers are radiation resistant. SAOC features optionally support a health check algorithm that allows trending optical performance in the absence of an optical connector and a potential surface treatment to increase nominally low emissivity of an EMI conductive surface.

Abstract: A compact bidirectional optical transceiver module is provided that has a bidirectional optical subassembly (BOSA) that includes a stamped metal optic that folds the optical pathway, alignment features that enable the optoelectronic components of the electrical subassembly (ESA) to be precisely aligned with the BOSA in all dimensions, and features that reduce the capacitance of the driver circuitry to improve signal integrity and widen the eye opening.

Abstract: An optical waveguide feedthrough assembly passes at least one optical waveguide through a bulk head, a sensor wall, or other feedthrough member. The optical waveguide feedthrough assembly comprises a cane-based optical waveguide that forms a glass plug sealingly disposed in a feedthrough housing. For some embodiments, the optical waveguide includes a tapered surface biased against a seal seat formed in the housing. The feedthrough assembly can include an annular gold gasket member disposed between the tapered surface and the seal seat. The feedthrough assembly can further include a backup seal. The backup seal comprises an elastomeric annular member disposed between the glass plug and the housing. The backup seal may be energized by a fluid pressure in the housing. The feedthrough assembly is operable in high temperature and high pressure environments.

Abstract: An optoelectronic assembly for a printed circuit board (PCB) assembly is described herein. The optoelectronic assembly may include a component carrier for mounting an active component, and a connector assembly for achieving a coupling between the component carrier and PCB-side optical infrastructure on a printed circuit board (PCB). The connector assembly can include a plurality of optical fibers connected to the component carrier, a first optical connector connected to the optical fibers for coupling with the PCB-side optical infrastructure on the PCB, and a housing member for housing the optical fibers and the first optical connector.

Abstract: Provided is an optical fiber cable having excellent flame retardancy, long-term heat resistance and mechanical characteristics. An optical fiber cable according to the present invention comprises an optical fiber and a cladding layer that is provided on the outer circumference of the optical fiber. The cladding layer contains a chlorinated polyolefin resin (A) and a polyolefin resin (B).

Abstract: A cable storage wheel for communication cables is provided. The cable storage wheel has a channel that receives the communication cable and a plurality of cable tie features. The cable tie features are positioned for receipt of cable ties to secure the communication cable in the channel in a manner that minimizes or eliminates contact between the wire ties and the communication cable. In this manner, the cable storage wheel is configured and designed to encourage the user to wrap the wire ties around the storage wheel and, not the communication cable. The cable tie features are, in some embodiments, slots, notches, openings, channel supports, and any combinations thereof.

Abstract: Examples are disclosed herein that relate to a lens mount for aligning a lens relative to an image sensor in a camera module. One example provides a lens mount comprising a first housing having a first tiltable joint structure and a first receptacle, and a second housing having a second tiltable joint structure complementary to the first tiltable joint structure and also having a second receptacle, wherein the first receptacle and the second receptacle are configured to accommodate a lens holder when the first housing and the second housing are joined by the first tiltable joint structure and the second tiltable joint structure, and wherein the first housing and the second housing are configured to permit the lens holder to be tiltably adjustable when the lens holder is positioned within the first receptacle and the second receptacle.

Abstract: Thermally compensated mounting assembly with a monolithic mounting element and with a rotationally symmetrical element mounted therein, wherein the mounting element is divided into a mounting ring with an axis of symmetry and a plurality of elastic connection arms via which the mounted element is held in the mounting element. The connection arms have at least one portion which extends in axial direction of the axis of symmetry. A compensation ring contacts all of the connection arms inside these portions coaxial to the mounting ring. The compensation ring is advantageously made from the same material as the mounted element and completely absorbs the restoring forces occurring as a result of the temperature-dependent deformation of the connection arms due to a different expansion of the mounting element and of the mounted element so that invariant forces act on the connection points between the connection arms and the mounted element.