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    • 2. 发明公开
    • 도파로 광커플러를 이용한 광미분기
    • 基于光波导耦合器的超快光学时域差分器件
    • KR1020130005737A
    • 2013-01-16
    • KR1020110067318
    • 2011-07-07
    • 조선대학교산학협력단
    • 안태정정회석
    • G02B27/10G02B26/06G02B26/02G02B6/26
    • G02B27/1006G02B6/0285G02B6/28G02B26/06
    • PURPOSE: An optical differentiator using a waveguide optical coupler is possible to do first and second differentiation corresponding to a manufacturing condition, thereby improving wavelength selectivity. CONSTITUTION: A different kind wavelength selection optical coupler is used as a coupler in case that a propagation constant of two optical fibers is the same. A differentiator experiment is processed with a light source, a wavelength selection optical coupler and a spectrum measuring device. A result differentiated by both sides of optical fibers is derived after a pulse inputted in the light source passes through the wavelength selection optical coupler. The spectrum measuring device confirms a differentiation result. [Reference numerals] (AA) Light source; (BB) Wavelength selection optical coupler; (CC) Spectrum measuring device
    • 目的:使用波导光耦合器的光学微分器可以对应于制造条件进行第一和第二微分,从而提高波长选择性。 构成:在两根光纤的传播常数相同的情况下,使用不同种类的波长选择光耦合器作为耦合器。 用光源,波长选择光耦合器和光谱测量装置处理微分实验。 在光源中输入的脉冲通过波长选择光耦合器之后导出由光纤两侧区分的结果。 光谱测量装置确认分化结果。 (附图标记)(AA)光源; (BB)波长选择光耦合器; (CC)频谱测量装置
    • 4. 发明公开
    • MMF 간섭계를 이용한 온도센서 및 그의 온도 측정방법
    • 使用MMF干涉仪的温度传感器及其温度感测
    • KR1020110129665A
    • 2011-12-02
    • KR1020100049169
    • 2010-05-26
    • 조선대학교산학협력단(주)옵토네스트
    • 안태정정회석최동석이수남서병서
    • G01K11/32G01B9/02
    • G01K11/32G01B9/02094G01K15/005
    • PURPOSE: A temperature sensor using an MMF interferometer and a method of measuring the temperature of the sensor are provided to lower the manufacturing cost of a temperature sensor and enable accurate measuring of temperature since a temperature sensor with the same function can be manufactured using the MMF interferometer of TMF without FBG. CONSTITUTION: A temperature sensor using an MMF interferometer comprises a light source, a first MMF interferometer(150-1), a second MMF interferometer(150-2), a photo coupler(140) and an operation unit(180). The first interferometer is located on a target. The second interferometer is located on other places than the target. The photo coupler distributes light from the light source and transfers it to the first and second interferometers. The photo coupler couples lights reflected from the first and second interferometers. The operation unit calculates the temperature of the target based on the light output from the photo coupler.
    • 目的:提供使用MMF干涉仪的温度传感器和测量传感器温度的方法,以降低温度传感器的制造成本,并能够精确测量温度,因为可以使用MMF制造具有相同功能的温度传感器 TMF干涉仪无FBG。 构成:使用MMF干涉仪的温度传感器包括光源,第一MMF干涉仪(150-1),第二MMF干涉仪(150-2),光耦合器(140)和操作单元(180)。 第一个干涉仪位于目标上。 第二个干涉仪位于与目标不同的地方。 光耦合器分配来自光源的光并将其传送到第一和第二干涉仪。 光耦合器耦合从第一和第二干涉仪反射的光。 操作单元基于光耦合器的光输出来计算目标的温度。