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    • 3. 发明申请
    • OPTICAL TIME DOMAIN REFLECTOMETRY FOR DETERMINING DISTRIBUTED PHYSICAL PROPERTIES
    • 用于确定分布式物理性质的光时域反射测定法
    • WO2006045340A1
    • 2006-05-04
    • PCT/EP2004/052670
    • 2004-10-27
    • AGILENT TECHNOLOGIES, INC.BELLER, Josef
    • BELLER, Josef
    • G01K11/32
    • G01M11/3118G01M11/3109
    • The present invention relates to measuring a distributed physical property (T(x)) of an optical device under test - DUT. Therefore, a probing signal (ST) comprising a sequence of optical pulses at a transmission wavelength (λ T ) is launched into the DUT, a corresponding optical response returning from the DUT is detected and at least a first response signal (SR1) at a first response wavelength range (λ R1 ) is separated form the optical response, wherein the first response wavelength range (λ R1 ) does not comprise the transmission wavelength (λ T ), a first correlation function (IR1) is determined y correlating the first response signal (SR1) and the probing signal (ST) and the distributed physical property (TD) is determined on the base of the first correlation function (IR1).
    • 本发明涉及测量待测光学器件的分布物理特性(T(x))。 因此,将包括传输波长(λ T>)的光脉冲序列的探测信号(ST)发射到DUT中,检测从DUT返回的对应的光响应,并且至少第一 响应信号(SR1)处于第一响应波长范围(λ1> R1),从光学响应中分离出来,其中第一响应波长范围(α<! - SIPO > 确定与第一响应信号(SR1)和探测信号(ST)相关的第一相关函数(IR1),并且分布的物理属性(TD)被确定为:传输波长(λ 第一相关函数(IR1)的基础。
    • 6. 发明申请
    • BI-DIRECTIONAL OPTOELECTRIC CONVERSION
    • 双向光电转换
    • WO2005086392A1
    • 2005-09-15
    • PCT/EP2004/050267
    • 2004-03-08
    • AGILENT TECHNOLOGIES, INC.BELLER, Josef
    • BELLER, Josef
    • H04B10/28
    • H04B10/071
    • The present invention relates to an apparatus and to a method of optoelectrical conversion, comprising the steps of: ­providing a first electrical signal to an electrical directional element (202), using the electrical directional element (202) to direct the first electrical signal to an optoelectric converter (201), using the optoelectric converter (201) for converting the first electrical signal into an optical signal and providing the optical signal to a DUT (106), using the optoelectric converter (201) for receiving and converting a reflected optical signal reflected by the DUT (106) back into a second electrical signal, and using the electrical directional element (202) to direct the second electrical signal to a receiver (102).
    • 本发明涉及一种光电转换的装置和方法,包括以下步骤:使用电定向元件(202)将第一电信号提供给电定向元件(202)以将第一电信号引导到电定向元件 光电转换器(201),使用光电转换器(201),用于将第一电信号转换为光信号,并使用光电转换器(201)将光信号提供给DUT(106),用于接收和转换反射的光信号 被DUT(106)反射回第二电信号,并且使用电定向元件(202)将第二电信号引导到接收器(102)。
    • 9. 发明申请
    • VISUAL INSPECTION OF OPTICAL ELEMENTS
    • 视觉检测光学元件
    • WO2005100943A1
    • 2005-10-27
    • PCT/EP2004/050545
    • 2004-04-16
    • AGILENT TECHNOLOGIES, INC.JAHN, RobertBELLER, JosefHOFFMANN, Peter
    • JAHN, RobertBELLER, JosefHOFFMANN, Peter
    • G01M11/00
    • G01M11/3154
    • An optical imaging device for visually inspecting an optical ele ment is described. The optical imaging device comprises an optical connector interface adapted for connecting the optical imaging device to the optical element, an imaging unit adapted for acquiring image data of the optical element's surface, and a display forvisualizing the image data. The optical imaging device further comprises a focus evaluation facility adapted for deriving a focus evaluation value indicating the instantaneous image definition of the acquired image, said focus evaluation value being derived from at least one of: the acquired image data itself and additional signals related to the position of the imaging unit relative to the surface of the optical element. The focus evaluation value is usable as a focussing aid for either automatically or manually adjusting the focus.
    • 描述用于视觉检查光学元件的光学成像装置。 光学成像装置包括适于将光学成像装置连接到光学元件的光学连接器接口,适于获取光学元件表面的图像数据的成像单元和用于可视化图像数据的显示器。 所述光学成像装置还包括焦点评估装置,其适于导出指示所获取的图像的瞬时图像定义的焦点评估值,所述焦点评估值从以下中的至少一个导出:所获取的图像数据本身和与所述图像相关的附加信号 成像单元相对于光学元件的表面的位置。 焦点评估值可用作自动或手动调整焦点的聚焦辅助。