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    • 2. 发明公开
    • 광 스펙트럼 분석기에서 보정 신호 및 시험 신호를 동시에 검출하는 광 시스템, 광 스펙트럼 분석기 및 그 검출 방법
    • 用于同时检测校准系统的光学系统和光谱分析仪中的测试信号
    • KR1020010083171A
    • 2001-08-31
    • KR1020010007472
    • 2001-02-15
    • 텍트로닉스 인코포레이티드
    • 앤더슨두웨인알.
    • H04B10/07
    • G01J3/1804G01J3/02G01J3/0218G01J3/0243G01J3/0294G01J2003/1828G01J2003/2866G02B6/3534G02B6/3568G02B6/3586
    • PURPOSE: A optical system for simultaneous detecting calibration system and test signal in optical spectrum analyzer are provided to supply a concurrent calibration signal and detect a test signal in an optical spectrum analyzer that is useful in analyzing optical telecommunications transmission lines. CONSTITUTION: The optical system(10) has a collimating optic(12), an optical axis(14), and a focal plane(16). A fiber array(18) has first and second pairs of optical fibers(22,24) with each optical fiber pair having an input optical fiber(26,28) and an output optical fiber(30,32). The input optical fiber(26) of the first pair of fibers(22) is coupled to receive the optical signal under test(34). The output optical fiber(30) of the pair is coupled to test signal detector(36). The input optical fiber(28) of the second pair of fibers(24) is connected to an optical calibration source(38) that produces a spectral output in response to shifts in emission or absorption energy levels in atomic or molecular species. The output optic fiber(32) of the pair is coupled to a calibration source detector(40). An optical tuning element drive motor(44) is connected to the optical tuning element(42) to tune the optical system(10) through the spectral range.
    • 目的:提供用于同时检测光谱分析仪中的校准系统和测试信号的光学系统,以提供并行校准信号,并检测光谱分析仪中对分析光通信传输线路有用的测试信号。 构成:光学系统(10)具有准直光学元件(12),光轴(14)和焦平面(16)。 光纤阵列(18)具有第一和第二对光纤(22,24),每个光纤对具有输入光纤(26,28)和输出光纤(30,32)。 第一对光纤(22)的输入光纤(26)被耦合以接收待测光信号(34)。 该对的输出光纤(30)耦合到测试信号检测器(36)。 第二对光纤(24)的输入光纤(28)连接到光学校准源(38),该校准源响应于原子或分子物质中的发射或吸收能级的变化而产生光谱输出。 该对的输出光纤(32)耦合到校准源检测器(40)。 光调谐元件驱动电机(44)连接到光调谐元件(42),以通过光谱范围调谐光学系统(10)。