摘要:
An optical transceiver that reduces the EMI radiation leaked therefrom is disclosed. The optical transceiver includes a top cover and the bottom base to form a cavity into which a TOSA, a ROSA, and a circuit are set. The top cover provides a combed structure in a rear portion thereof, where the combed structure has a plurality of fins with a distance preferably less that quarter wavelength ƒノ/4 of the noise wavelength to be reduced. The combed structure operates as a short stub for the electromagnetic wave traveling longitudinally in the cavity.
摘要:
All solid photonic bandgap optical fiber comprising a core region and a cladding region is disclosed. The cladding region surrounding the core region includes a background optical material having a first refractive index and elements arranged in a two-dimensional periodic structure. In one embodiment, each of the elements comprises a center part and peripheral part having a higher refractive than the central part. In other embodiments, each element comprises a plurality of rods having a higher refractive index higher than the fist, the rods of each element arranged in a circle or polygon. Light transmission apparatus and methods of using the fiber are also disclosed.
摘要:
The shield shell (1) is formed of a shield shell main body (10), a shield shell auxiliary member (20) and a fixing member (30). The shield shell main body (10) is made of die-cast aluminum. The shield shell auxiliary member (20) is formed by pressing a steel plate, and has a surface plated with gold. The fixing member (30) has a ring shape, which is formed by pressing a steel plate. With this configuration, it is possible to provide a shield shell that can be manufactured at a low cost, that can improve reliability of the shielding effect, and that can improve assembling workability of the shielded wire.
摘要:
A white light-emitting diode is fabricated by metal organic chemical vapor deposition (MOCVD), which can produce a broad band emission covering all the visible range in the spectrum by capping the Indium nitride (InN) and Indium-rich Indium Gallium Nitride (InGaN) quantum dots (QDs) in single or multiple In x Ga 1-x N/In y Ga 1-y N quantum wells (QWs) by introducing bursts of at least one of Trimethylindium (TMIn), Triethylindium (TEIn) and Ethyldimethylindium (EDMIn), which serve as nuclei for the growth of QDs in QWs. The diode can thus radiate white light ranging form 400nm to 750nm by adjusting the In burst parameters.
摘要翻译:通过金属有机化学气相沉积(MOCVD)制造白色发光二极管,其可以通过封装氮化铟(InN)和富铟铟铟氮化物(InGaN)来产生覆盖光谱中所有可见光范围的宽带发射 )量子点(QD)在单个或多个In x Ga 1-x N / In x Ga 1-y < 通过引入三甲基铟(TMIn),三乙基(TEIn)和乙基二甲基铟(EDMIn))中的至少一种的突发,其用作QW中QD生长的核子。 因此,通过调整In突发参数,二极管可以辐射400nm至750nm范围内的白光。
摘要:
The prisent invention provides a diffraction grating element that allowsthe temperature control mechanism to be dispensed with or simplified. The diffraction grating element of the present invention comprises a transparent plate having a first surface and a second surface that are substantially parallel with one another; and a diffraction grating which is formed on a first surface side with respect to the second surface and is substantially parallel with the first surface. At any temperature within a temperature range -20°C to +80°C, the sum of the rate of change in the period per unit length of the diffraction grating with respect to a temperature change, and the temperature coefficient of the refractive index of a medium that surrounds the diffraction grating element is 0.
摘要:
A positioning of a plurality of optical fibers 11 is performed by a pair of position regulating members 12a and 12b. Then, the paired position regulating members 12a and 12b are moved along two guide members 13, 13 in such a manner as to have a predetermined distance therebetween. Aribbon support member 15 is placed between the paired position regulating members 12a and 12b in such a way as to support the optical fibers 11. The plurality of optical fibers 11 are held and fixed by the holding members 17a and 17b. Further, the plurality of optical fibers 11 put on the ribbon support member 15 are sandwiched by the ribbon support member 15 and the pressing tool 19 opposed thereto. In a terminal portion structure 110a of a ribbon fiber 10, terminal portions of optical fibers 102 are arranged horizontally in parallel, an adhesive tape is stuck onto at least one of upper and lower surfaces of at least the terminal portions.
摘要:
To provide a thermal insulation piping with no radially projecting part from a periphery thereof, so as to facilitate insertion of the thermal insulation piping into a pipeline or equivalent. In a thermal insulation tube 10 having a vacuum layer between an inner tube 11 and an outer tube 12, an evacuation port 30 for vacuum evacuation is oriented parallel with a longitudinal direction of the thermal insulation piping at an end of the thermal insulation tube 10. This construction can produce the thermal insulation tube 10 with no radially projecting part from a periphery thereof, thus providing improved workability when the thermal insulation piping is contained in the pipeline or equivalent. Further, a flexible pipe(s) 40 is/are preferably connected to the evacuation port(s) 30. This can allow increased positional tolerances in the connection of the evacuation port(s) to a vacuum evacuation device.
摘要:
A process for preparing an aluminum alloy which can be produced on a commercial scale and has higher strength and toughness than the conventional aluminum alloys. The alloy comprises an alpha -aluminum phase comprising grains having an average diameter of 60 to 1000 nm and a phase of two or more intermetallic compounds comprising grains having an average diameter of 20 to 2000 nm, and the grains of the intermetallic compound are dispersed so that the connection between the intermetallic compound grains is intermittent.
摘要:
A non-aqueous electrolyte cell which is provided with a non-aqueous electrolyte (20), an anode plate (34) and a cathode plate (36) which are in contact with the electrolyte (20), a separator (38) which is positioned between the plates (34 and 36), a first lead wire (18a) which is connected to the anode plate (34) at one end and extended to the outside at the other end, a second lead wire (18b) which is connected to the cathode plate (36) at one end and extended to the outside at the other end, and a sealing bag (14) which seals the plates (34 and 36), electrolyte (20), separator (38), and parts of the lead wires (18a and 18b). The bag (14) is provided with a hot-fusing resin layer (24), a metallic layer (22) provided on the outside of the layer (24), and an electrolyte blocking insulating layer (26). The insulating layer (26) is composed of nylon or ethylene-vinyl alcohol copolymer and has low miscibility with the non-aqueous electrolyte (20). Therefore, the sealing property of the bag (14) is improved, because the electrolyte (20) blocking property of the heat-sealed part (12) of the bag (14) is improved.
摘要:
An epimorphin antagonist comprising a part of the functional domain of epimorphins, e.g., the polypeptide specified by the following amino acid sequence: H-Ser(Asn)-Gly-Asn-Arg-Thr-Ser-Val-Asp-Leu-Arg-Ile-Arg-Arg-Thr-Gln-His-Ser-Val-Leu-OH, and substantially inhibiting the activity of epimorphins of accelerating the morphogenesis of epithelial cells; and a medicine comprising the antagonist as the active ingredient.