摘要:
Polymer films having a number of wells can be prepared by contacting the polymer with a solvent which causes the polymer film to swell and produce blisters. When the film is dried the blisters collapse to form wells. The polymer film is supported on a substrate such as silica or glass and the wells are often arranged in an array. An example of a polymer which can be used is poly(d,l-lactide).
摘要:
A system having an optomechanical gyroscope device. An optomechanical disk acts as an optical ring resonator and a mechanical disk resonator. A drive laser generates an optical drive signal. A drive channel acts as a waveguide for the optical drive signal and includes drive electrodes in a first proximity with respect to the optomechanical disk. The drive electrodes to excite the ring by evanescent coupling. A drive photodetector is configured to receive an output optical signal from the drive channel. A sense laser generates a optical sense signal. A sense channel acts as a waveguide for the optical sense signal and includes sense electrodes in a second proximity with respect to the optomechanical disk. A sense photodetector is configured to receive an output optical signal from the sense channel.
摘要:
An aircraft system comprising a deflector assembly including, a base having mounting apertures; an inner ring concentrically positioned within an outer ring, the inner ring and the outer ring have an annulus defined therebetween via a base plate, a plurality of rods attached within the annulus and culminating at an apex creating a conical profile; and a forward-mounted cone-shaped deflecting member. The base plate comprises a through hole allowing airflow through the deflector assembly to supply an airplane engine. The aircraft safety device system further comprises at least one locking latch for removably securing the deflector assembly to a housing of the airplane engine. The aircraft safety device is mountable inside a lip of the housing of the airplane engine. Further, the aircraft safety device provides protection for airplane engines from air born animate and inanimate objects.
摘要:
The dominant source of thermal resistance for silicon photonic devices patterned on SOI wafers is the buried oxide layer. To ensure efficient thermally driven silicon devices there is a need for a large thermal resistance. This is in contrast to temperature sensitive components need to have low thermal resistance in order to reduce their temperature to ensure good performance. Embodiments comprise etching the back of an SOI wafer to expose the buried oxide layer and depositing an additional layer of silicon oxide to increase the local thermal resistance. Thus, embodiments provide the ability to tailor the thermal resistance across the wafer or die depending on the device being fabricated.
摘要:
A system having an optomechanical gyroscope device. An optomechanical disk acts as an optical ring resonator and a mechanical disk resonator. A drive laser generates an optical drive signal. A drive channel acts as a waveguide for the optical drive signal and includes drive electrodes in a first proximity with respect to the optomechanical disk. The drive electrodes to excite the ring by evanescent coupling. A drive photodetector is configured to receive an output optical signal from the drive channel. A sense laser generates a optical sense signal. A sense channel acts as a waveguide for the optical sense signal and includes sense electrodes in a second proximity with respect to the optomechanical disk. A sense photodetector is configured to receive an output optical signal from the sense channel.
摘要:
The present invention relates to novel muteins derived from human tear lipocalin. The invention also refers to a corresponding nucleic acid molecule encoding such a mutein and to a method for its generation. The invention further refers to a method for producing such a mutein. Finally, the invention is directed to a pharmaceutical composition comprising such a lipocalin mutein as well as to various uses of the mutein.
摘要:
A system and method for granting access to a restricted access area using an approved list is disclosed. According to one embodiment, the system may include a card reader that receives a card number from the access card; a card verifier comprising an approved list of card numbers; a card presented list of presented card numbers; and a processor that compares the card number to the approved list and compares the card number to the card presented list; and an access device. The access device grants access to the area if one of (1) the card number is on the approved list and (2) the card number is not on the presented list; and denies access to the area if the card number is not on the approved list and the card number is on the presented list.
摘要:
Narrow surface corrugated gratings for integrated optical components and their method of manufacture. An embodiment includes a grating having a width narrower than a width of the waveguide on which the grating is formed. In accordance with certain embodiments of the present invention, masked photolithography is employed to form narrowed gratings having a desired grating strength. In an embodiment, an optical cavity of a laser is formed with a reflector grating having a width narrower than a width of the waveguide. In another embodiment an integrated optical communication system includes one or more narrow surface corrugated gratings.
摘要:
Narrow surface corrugated gratings for integrated optical components and their method of manufacture. An embodiment includes a grating having a width narrower than a width of the waveguide on which the grating is formed. In accordance with certain embodiments of the present invention, masked photolithography is employed to form narrowed gratings having a desired grating strength. In an embodiment, an optical cavity of a laser is formed with a reflector grating having a width narrower than a width of the waveguide. In another embodiment an integrated optical communication system includes one or more narrow surface corrugated gratings.
摘要:
A broadband receiving apparatus includes an antenna to receive a radio signal having a plurality of modulation frequencies. An amplifier drives a laser source from the broadband radio signal to produce an optical signal having a plurality of spectral components. A diffraction grating transforms the optical signal into its spectral components. An array of photo-detectors converts the spectral components into electronic signals corresponding to the plurality of modulation frequencies. A transmitting apparatus includes an array of coherent laser emitters driven by electronic signals corresponding to a plurality of modulation frequencies to produce optical signals corresponding to a plurality of spectral components. A diffraction grating inverse transforms the spectral components into a composite optical signal. A photo-detector converts the composite optical signal into a composite electronic signal including the plurality of modulation frequencies. An amplifier amplifies the composite electronic signal for transmission as a broadband radio signal.