Tolerance analysis for incident angle of volume phase holographic grating used in optical channel performance monitor

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	Tolerance analysis for incident angle of volume phase holographic grating used in optical channel performance monitor
	Xin HL ; Li F ; Cao P ; He YJ ; Chen P ; Liu YL
	2004
会议名称	3rd international symposium on instrumentation science and technology
会议日期	aug 18-22, 2004
会议地点	xian, peoples r china
关键词	OCPM VPHG incident angle tolerance
页码	31-35
通讯作者	xin hl chinese acad sci inst semicond res & dev ctr optoelect pob 912 beijing 100083 peoples r china.
中文摘要	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.
英文摘要	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.; 于2010-10-29批量导入; made available in dspace on 2010-10-29t06:36:20z (gmt). no. of bitstreams: 1 2776.pdf: 584735 bytes, checksum: 5f7dc6921d72d77e01030373951b371b (md5) previous issue date: 2004; int comm measurements & instrumentat.; natl nat sci fdn china.; chinese soc measurement.; china instrument soc.; harbin inst technol.; instrumentat comm csm.; xian jiaotong univ.; chinese acad sci, inst semicond, res & dev ctr optoelect, beijing 100083, peoples r china
收录类别	CPCI-S
会议主办者	int comm measurements & instrumentat.; natl nat sci fdn china.; chinese soc measurement.; china instrument soc.; harbin inst technol.; instrumentat comm csm.; xian jiaotong univ.
会议录	proceedings of the third international symposium on instrumentation science and technology, vol 3
会议录出版者	harbin institute technology publishers ; 16 fuxingjie nangangqu, harbin 150006, heilongjiang, peoples r china
会议录出版地	16 fuxingjie nangangqu, harbin 150006, heilongjiang, peoples r china
学科主题	半导体器件
语种	英语
ISBN号	7-5603-2056-2
内容类型	会议论文
源URL	[http://ir.semi.ac.cn/handle/172111/13585]
专题	半导体研究所_中国科学院半导体研究所（2009年前）
推荐引用方式 GB/T 7714	Xin HL,Li F,Cao P,et al. Tolerance analysis for incident angle of volume phase holographic grating used in optical channel performance monitor[C]. 见:3rd international symposium on instrumentation science and technology. xian, peoples r china. aug 18-22, 2004.