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1. 发明授权

US07065264B2 Optic system for light attenuation 有权
标题翻译：用于光衰的光学系统
公开(公告)号：US07065264B2
公开(公告)日：2006-06-20
申请号：US10485970
申请日：2002-07-22
申请人： Adrian Petru Vonsovici
发明人： Adrian Petru Vonsovici
IPC分类号： G02B1/295
CPC分类号： G02F1/2257 , G02F1/025 , G02F2201/16 , G02F2203/06 , G02F2203/48 , H01S3/0085
摘要： An optic system including an integrated variable optical attenuating device for attenuating an input optical signal, the integrated optical variable attenuating device including a first electrically controllable attenuating element and a second electrically controllable attenuating element cascaded together, the first attenuating element having a first range of optical attenuation smaller than that of the second attenuating element but requiring less input power than the second attenuating element to switch between levels of attenuation within the first range of attenuation, and wherein the optic system further includes electrical circuitry for controlling the first and second attenuating elements in coordination with one another so as to achieve the desired level of total attenuation of the optical signal.
摘要翻译：一种包括用于衰减输入光信号的集成可变光衰减装置的光学系统，所述集成光可变衰减装置包括级联在一起的第一电可控衰减元件和第二电可控衰减元件，所述第一衰减元件具有第一范围的光衰减小于第二衰减元件的衰减，但是需要比第二衰减元件更少的输入功率以在第一衰减范围内的衰减水平之间切换，并且其中光学系统还包括用于控制第一和第二衰减元件的第一和第二衰减元件的电路彼此协调，以实现光信号的总衰减的期望水平。

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