Abstract:
PURPOSE: A method for fabricating a buried inductor magnetically-induced optical switch is provided wherein it is easy and simple to process and assemble a substrate without assembling a number of substrates and optical components. CONSTITUTION: According to the method for fabricating an optical switch which changes a light path by being aligned vertically on a substrate(100) supporting a mirror(300) by a magnetic force of an inductor, a groove(210) where a mirror pocket(200) and the inductor are to be buried is formed on the substrate by etching a back of the substrate. The inductor wound with coil in parallel with the substrate is buried into the groove. Then, the mirror aligned to the mirror pocket and a torsion bar(110) supporting the mirror are formed in a body, by processing a front surface of the substrate, and then the mirror pocket is opened completely.
Abstract:
The disclosure concerns to an optical filter for use in an optical communication device such as a multiplexer and demultiplexer. The optical filter is a Fabry-Perot filter that is formed with a silicon substrate by using a silicon micromachining process and a silicon etching process. The optical filters are applied to various optical communication devices, such as multiplexer (MUX) or demultiplexer (DEMUX) In each of the optical communication devices, the optical filters are installed and integrated on the silicon substrate together with input/output optical fibers and collimating lenses, resulting in simplifying the manufacturing process thereof and, hence, in reducing the manufacturing cost thereof. Furthermore, each of the optical filters incorporates therein an actuator so as to be tunable (wavelength-selective) in the optical filtering function and to be capable of filtering more various wavelengths in a range.
Abstract:
본발명의실시예에따른전력전송장치는수신부와송신부를포함한다. 수신부는과전압보호회로를포함하고송신부로피드백신호를제공한다. 송신부는과전압보호회로의소모전력을제어하기위해피드백신호를참조하여수신부에무선전송되는전력의크기를제어한다. 과전압보호회로는감지부및 전류제어부를포함한다. 감지부는입력전압및 제 1 전류를감지하여제어신호를생성한다. 전류제어부는제어신호를참조하여제 2 전류를제어한다. 이때, 제 2 전류는제 1 전류및 제 2 전류의합전류에대한입력전압의비가일정하도록제어된다. 그결과, 본발명이적용된전력전송장치는과전압보호회로가소모하는전력을감소시킬수 있다. 또한, 임피던스정합특성이개선된다. 또한, 전력전송효율이증가된다. 또한, 과전압으로부터내부회로가보호될수 있다.
Abstract:
홀로그래픽표시장치는광을출사하는광원부및 공간광 변조기를포함할수 있다. 상기공간광 변조기는상기광원부에서출사된광의위상및 진폭중 적어도하나를변조하여홀로그램영상을출력할수 있다. 상기공간광변조기는기판및 상기기판상에적층된복수의광 변조층들을포함할수 있다. 상기복수의광 변조층들은굴절률, 두께, 및투명도중 적어도하나가서로상이할수 있다.
Abstract:
무선 전력 전송 장치가 제공된다. 무선 전력 전송 장치는 베이스 코일(base coil)을 포함하는 베이스 기판(base substrate), 베이스 기판과 이격되어 배치되고, 중계 코일들(transmission coils)을 포함하는 중계 기판들, 및 베이스 기판 및 중계 기판들을 관통하여 중계 코일들의 일단들을 연결하는 콘택 플러그를 포함하는 무선 전력 전송 장치.
Abstract:
The present invention relates to a wireless power transmission receiver and a system including the same and to a receiver and a transmitter wirelessly transmitting power to multiple receivers by one transmitter at the same time. The wireless power receiver according to the present invention comprises a receiving coil part receiving power from the transmitter in a resonance coupling method and a power receiving part receiving the power from the receiving coil part and supplying the power to load resistance. The input impedance of the power receiving part is controlled by power consumption of the receivers. According to the embodiment of the present invention, the power transmission efficiency of the wireless power transmission receiver and the transmitter is improved.