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    • 61. 发明公开
    • 광자쌍의 결맞음을 제어하는 간섭계 및 방법
    • 用于控制光子对的分析的干涉仪和方法
    • KR1020130006377A
    • 2013-01-16
    • KR1020120074217
    • 2012-07-06
    • 셀렉스 이에스 에스.피.에이.
    • 미스터.파비오안토니오,보비노
    • G01J3/45G01J9/02
    • G01B9/02001G01B9/02014G01B2290/55H04L9/0852
    • PURPOSE: An interferometer controlling the coherence of a pair of photons and a method thereof is provided to control the coherence of the pair of photons and possibilities that the pair of the photons comes out through a first outlet or a second outlet of a second interferometer beam splitter. CONSTITUTION: An interferometer controlling the coherence of a pair of photons comprises light sources(51,52), a first interference member(Ia) and a second interference member(Is). The lights sources are formed in order to generate first and second pump pulses coherent to each other and duration is transmitted by the delay. The first interference member receives the first pump pulse and generates an antisymmetric state having two coherent photons. The second interference member receives the second pump pulse and generates a symmetric state having two coherent photons. [Reference numerals] (51) Laser
    • 目的:提供一种控制一对光子相干性的干涉仪及其方法,以控制一对光子的相干性和一对光子通过第二干涉仪光束的第一出口或第二出口出来的可能性 分离器。 构成:控制一对光子的相干性的干涉仪包括光源(51,52),第一干涉构件(Ia)和第二干涉构件(Is)。 形成光源以产生彼此相干的第一和第二泵浦脉冲,并且通过延迟来传输持续时间。 第一干涉构件接收第一泵浦脉冲并产生具有两个相干光子的反对称状态。 第二干涉构件接收第二泵浦脉冲并产生具有两个相干光子的对称状态。 (附图标记)(51)激光
    • 62. 发明公开
    • 음향-광 변조기를 이용한 헤테로다인 간섭계
    • 异位干涉仪使用AOM
    • KR1020120042694A
    • 2012-05-03
    • KR1020110108718
    • 2011-10-24
    • 서강대학교산학협력단
    • 조규만박영규
    • G01J9/02G02F1/133G02B27/10
    • PURPOSE: A heterodyne interferometer using an acoustic optical modulator is provided to simplify a structure of a whole system by using a single AOM(Acoustic Optical Modulator) and small numbers of optical systems because the AOM is constituted as a double-pass. CONSTITUTION: A heterodyne interferometer using an acoustic optical modulator comprises a light source(400), a polaroid beam splitter(410), an acoustic optical modulator(420), an AOM driving unit(430), a first mirror(450), a second mirror(454), a mirror driving unit, a QWP(Quarter-Wave Plate)(440), a photo-detector, and a demodulator(470). The polaroid beam splitter radiates or reflects irradiated light according to a polarization state. The acoustic optical modulator divides the light passed through a PBS(Polaroid Beam Splitter) and irradiated into a first ray and second ray which frequency is biased as much as a driving frequency(f_RF). The AOM driving unit drives the AOM by a driving frequency. The first mirror reflects the first ray again along an irradiation path of the first ray so that signal beam is offered. The second mirror reflects the second ray again along an irradiation path of the first ray so that reference beam is offered.
    • 目的:提供使用声光调制器的外差干涉仪,通过使用单个AOM(声光调制器)和少量光学系统来简化整个系统的结构,因为AOM构成双通道。 构成:使用声光调制器的外差干涉仪包括光源(400),偏振片分束器(410),声光调制器(420),AOM驱动单元(430),第一反射镜(450), 第二反射镜(454),镜驱动单元,QWP(四分之一波片)(440),光检测器和解调器(470)。 偏振片分束器根据偏振状态辐射或反射照射的光。 声光调制器将通过PBS(偏振片分束器)的光分离并照射到第一射线和第二射线,该频率被偏置为驱动频率(f_RF)。 AOM驱动单元以驱动频率驱动AOM。 第一镜沿着第一射线的照射路线再次反射第一射线,从而提供信号束。 第二镜沿着第一射线的照射路线再次反射第二射线,使得提供参考光束。
    • 63. 发明公开
    • Real time testable dicing device for planar type distributor and test method thereof
    • 用于平面型分布器的实时测试设备及其测试方法
    • KR20120018592A
    • 2012-03-05
    • KR20100081527
    • 2010-08-23
    • AARON CO LTD
    • JEONG SANG KOOK
    • G02B6/12G01J9/02G01N21/956
    • G02B6/125G01N21/88G01N21/956G01N2021/1765G02B6/13
    • PURPOSE: A dicing device for a planar waveguide-type distributor and a test method using the same are provided to reduce manufacturing costs by omitting a separate test device and a test process. CONSTITUTION: A dicing device for a planar waveguide-type distributor comprises a chuck(10), a transparent dicing tape(20), a flat block(30), a dicing head(40), a lighting part(50), and a camera(60). An upper side of the chuck is formed into a mirror surface. The transparent dicing tape fixes a transparent flat block on the chuck. The dicing head divides a fixed flat block. The lighting part irradiates light downwardly from the upper side of the flat block to the surface of the flat block not at a vertical angle but at an inclined angle. The camera takes a picture of an interfered state of a light wave guide with the light of a part reflected from the mirror surface.
    • 目的:提供一种用于平面波导型分配器的切割装置和使用其的测试方法,以通过省略单独的测试装置和测试过程来降低制造成本。 一种用于平面波导型分配器的切割装置包括卡盘(10),透明切割带(20),平坦块(30),切割头(40),照明部分(50)和 相机(60)。 卡盘的上侧形成为镜面。 透明切割带将卡盘上的透明平板固定。 切割头将固定的平板块分开。 照明部将平坦块的上侧的光从垂直方向倾斜但以倾斜的角度照射到平坦块的表面。 照相机用镜面反射的部分的光拍摄光波导的干涉状态的图像。