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    • 2. 发明公开
    • 광학적 도플러 단층 촬영 장치 및 그의 도플러 주파수 검출방법
    • 光学多普勒测量系统及其多普勒频率检测方法
    • KR1020100099025A
    • 2010-09-10
    • KR1020090017798
    • 2009-03-02
    • 경북대학교 산학협력단
    • 김지현정운상전만식이창호최인철우채경
    • G01N21/45A61B6/03A61B5/1455
    • PURPOSE: An optical doppler tomography system and a method for detecting doppler frequency thereof are provided to accurately detect the angle between an optical signal and an object and to measure the speed of the object. CONSTITUTION: An optical doppler tomography system comprises a tilt sensor, an OCT(Optical Coherence Tomography) signal processing unit(31), and an ODT(Optical Doppler Tomography) signal processing unit(32). The tilt sensor is installed on a probe irradiating the optical signal to the object from the optical tomography system and detects the tilt angle of the probe. The OCT signal processing unit detects the tilt angle of the object from the OCT signals detected by the B-mode scan or the C scan of the OCT signals detected from the optical tomography system. The ODT signal processing unit detects the angle between the object and the probe using the angle of the probe detected from the tilt sensor and the angle of the object detected from the OCT signal processing unit and detects doppler frequency from the OCT signal using the detected angle.
    • 目的:提供一种光学多普勒层析成像系统及其多普勒频率检测方法,以准确检测光信号与物体之间的角度,并测量物体的速度。 构成:光学多普勒层析成像系统包括倾斜传感器,OCT(光学相干层析成像)信号处理单元(31)和ODT(光学多普勒层析成像)信号处理单元(32)。 倾斜传感器安装在从光学断层摄影系统向物体照射光信号的探头上,并检测探头的倾斜角度。 OCT信号处理单元从通过B模式扫描检测到的OCT信号或者从光学层析成像系统检测到的OCT信号的C扫描来检测物体的倾斜角度。 ODT信号处理单元使用从倾斜传感器检测的探头的角度和从OCT信号处理单元检测到的物体的角度来检测物体和探头之间的角度,并使用检测到的角度从OCT信号检测多普勒频率 。
    • 5. 发明公开
    • 회전 반사판 필터를 이용한 휴대형 센서 호출 장치
    • 便携式传感器系统使用放大盘
    • KR1020100064869A
    • 2010-06-15
    • KR1020080123516
    • 2008-12-05
    • 경북대학교 산학협력단한국건설기술연구원
    • 전만식정운상박성조이창호최인철우채경김지현박기태
    • G01N21/25G01N21/55G01N21/00
    • PURPOSE: A portable sensor calling device using a rotation reflector filter is provided to achieve a light source part with a simple combination of individual optical devices and to achieve a signal processing part with an embedded system. CONSTITUTION: A portable sensor calling device using a rotation reflector filter comprises: a tunable laser(110) which filters the optical signal with the other wavelength according to the rotation angle while revolving at a specific speed and outputs the optical signal in which the wavelength is successively varied in the wavelength variable bandwidth; a first optical circulator(120) which induces the optical signal which is outputted from the tunable laser to an optical sensor; an optical detector(130) which converts the detected optics signal which is induced through the first optical circulator into the electric signal; and a call signal processor(140). The first optical circulator receives the detected optical signal which is reflected from the optical sensor and induces the optical signal to the optical detector. The physical quantity which is added to the optical sensor and the resonance wavelength of the optical sensor are produced by the comparison of the rotating angle of the rotation reflector filter and the intensity of the optical signal which is outputted from the optical detector.
    • 目的:提供使用旋转反射器滤波器的便携式传感器呼叫装置,以通过单个光学装置的简单组合实现光源部分,并实现具有嵌入式系统的信号处理部分。 构成:使用旋转反射器滤波器的便携式传感器呼叫装置包括:可调激光器(110),其以特定速度旋转时根据旋转角度对其它波长的光信号进行滤波,并输出波长为 波长可变带宽连续变化; 第一光循环器(120),其将从所述可调谐激光器输出的光信号感应到光学传感器; 光检测器,将通过第一光循环器感应的检测光学信号转换成电信号; 和呼叫信号处理器(140)。 第一光环行器接收从光传感器反射的检测光信号,并将光信号引导到光检测器。 通过比较旋转反射器滤光器的旋转角度和从光学检测器输出的光信号的强度,产生添加到光学传感器的物理量和光学传感器的共振波长。