| LAMOST球焦面光纤坐标检测方案 |
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| 引用本文： | 俞巧云,胡红专,等.LAMOST球焦面光纤坐标检测方案[J].光电工程,2001,28(4):50-53. |
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| 作者姓名： | 俞巧云 胡红专 |
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| 作者单位： | [1]中国科学技术大学精密机械与精密仪器系，安徽合肥230027 [2]中国科学技术大学精密机械与精密仪器系，安徽合肥23 |
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| 基金项目： | 国家九五大科学工程资助项目 ( 98BJG0 0 1) |
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| 摘 要： | 对LAMOST光纤定位系统中球冠状焦面板上4000个光纤头位置的检测，要求检测系统检测速度快、精度高，为此采用极坐标旋转扫描装置进行检测。检测装置包括角度传感器和绕球冠状焦面板中心旋转的圆弧形扫描梁，后者由多片线阵CCD软拼接而成，其数据用并行主从结构进行采集与处理。采用“光重心法”对光纤出射光斑信号进行处理，获取光纤端部的位置特征。
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| 关 键 词： | 坐标测量系统 光纤光谱 天文望远镜 球焦面 |
| 文章编号： | 1003-501(2001)04-0050-04 |
| 修稿时间： | 2000年8月16日 |
A Detection Scheme for the Coordinates of Optic Fiber On a LAMOST Spherical Focal Plane |
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| YU Qiao-yun,HU Hong-zhuan,LI Wei-min,ZHAI Chao,XING Xiao-zheng.A Detection Scheme for the Coordinates of Optic Fiber On a LAMOST Spherical Focal Plane[J].Opto-Electronic Engineering,2001,28(4):50-53. |
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| Authors: | YU Qiao-yun HU Hong-zhuan LI Wei-min ZHAI Chao XING Xiao-zheng |
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| Abstract: | The detection for 4,000 optic fiber probes on spherical focal plane of LAMOST optical fiber positioning system requires the detection system to have fast detection speed and high accuracy. For this reason, the detection is carried out by use of a polar coordinate rotating scanning unit. The detection unit consists of an angular sensor and CCD scanning frame rotating about the center of the spherical focal plane. The multi-piece linear CCDs are butted into a circular arc shaped scanning frame. The parallel master-slave mode is applied to processing linear CCD sampled data. The light center of gravity method is applied to processing optic fiber exited spot signal for acquiring the position features of optic fiber ends. |
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| Keywords: | Coordinate measurement systems Linear CCD Data acquisition Data processing |
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