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题名: Tolerance analysis for incident angle of volume phase holographic grating used in optical channel performance monitor
作者: Xin HL;  Li F;  Cao P;  He YJ;  Chen P;  Liu YL
出版日期: 2004
会议日期: AUG 18-22, 2004
摘要: Transmission Volume Phase Holographic Grating (VPHG) is adopted as spectral element in the real-time Optical Channel Performance Monitor (OCPM), which is in dire need in the Dense Wavelength -division-multiplexing(DATDM) system. And the tolerance of incident angle, which can be fully determined by two angles: 6 and (p, is finally inferred in this paper. Commonly, the default setting is that the incident plane is perpendicular to the fringes when the incident angle is mentioned. Now the situation out of the vertical is discussed. By combining the theoretic analysis of VPHG with its use in OCPM and changing 6 and (0 precisely in the computation and experiment, the two physical quantities which can fully specify the performance of VPHG the diffraction efficiency and the resolution, are analyzed. The results show that the diffraction efficiency varies greatly with the change of 6 or (p. But from the view of the whole C-band, only the peak diffraction efficiency drifts to another wavelength. As for the resolution, it deteriorates more rapidly than diffraction efficiency with the change of (p, while more slowly with the change of theta. Only if \phi\less than or equal to+/-1degrees and alpha(B) -0.5 less than or equal to theta less than or equal to alpha(B) + 0.5, the performance of the VPHG would be good enough to be used in OCPM system.
会议名称: 3rd International Symposium on Instrumentation Science and Technology
KOS主题词: incident angle;  Fanaticism
会议文集: PROCEEDINGS OF THE THIRD INTERNATIONAL SYMPOSIUM ON INSTRUMENTATION SCIENCE AND TECHNOLOGY, VOL 3
专题: 中国科学院半导体研究所(2009年前)_会议论文

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推荐引用方式:
Xin HL; Li F; Cao P; He YJ; Chen P; Liu YL .Tolerance analysis for incident angle of volume phase holographic grating used in optical channel performance monitor .见:HARBIN INSTITUTE TECHNOLOGY PUBLISHERS .PROCEEDINGS OF THE THIRD INTERNATIONAL SYMPOSIUM ON INSTRUMENTATION SCIENCE AND TECHNOLOGY, VOL 3,16 FUXINGJIE NANGANGQU, HARBIN 150006, HEILONGJIANG, PEOPLES R CHINA ,2004,31-35
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