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基于MAX9259/MAX9260的CameraLink图像数据光纤传输技术

CameraLink image data fiber transmission technology based on MAX9259/MAX9260

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摘要

为了提高光电经纬仪上图像传输系统的性能, 建立了光纤传输系统, 本文针对传统CameraLink光纤传输系统方案中FPGA开发繁琐的问题, 结合CameraLink接口协议和串行/解串行技术,设计了一种新的base型CameraLink的光纤传输系统, 该系统采用SerDes芯片组MAX9259/MAX9260代替编解码芯片, 实现数据在Cameralink并行接口与光电转换模块串行接口之间的相互转化, 并通过两种实验方案验证了系统的可行性。该方案省去传统方案中时分复用及异步FIFO缓存, 降低了光纤传输系统的开发难度, 并缩短了研发周期。实验结果表明: 系统传输速率达到25 Gb/s, 具有传输稳定可靠, 传输图像质量好, 带宽高, 抗电磁干扰能力强等特点, 可满足多种像素时钟相机的需求。

Abstract

In order to improve the performance of image transmission system in the photoelectric theodolite, the optical fiber transmission system is established. Aiming at complicated FPGA development in the traditional CameraLink optical fiber transmission system, combining with the CameraLink interface protocols and the serial/deserial technology, we design a new base type CameraLink optical transmission system, using SerDes chipset MAX9259/MAX9260 instead of the codec chip to realize the mutual conversion of data between the Cameralink parallel interface and the photoelectric conversion module serial interface, and verify the feasibility of the system by two experimental schemes. This scheme eliminates the time-division multiplexing and the asynchronous FIFO buffer in the traditional scheme, reduces the development difficulty and shortens the development cycle. The experimental results show that the transmission rate reaches 25 Gb/s, which has the characteristics of stable and reliable transmission, good transmission image quality, high bandwidth and strong anti-electromagnetic interference capability, thus meeting the needs of various pixel clock cameras.

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中图分类号:TN919

DOI:10.3788/co.20181106.1017

所属栏目:光学设计与工艺

基金项目:中国科学院长春光机所三期创新工程资助项目(No.Y10532B110)

收稿日期:2017-09-11

修改稿日期:2017-11-13

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陈洋君:中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033中国科学院大学, 北京 100049
吴志勇:中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033
崔 明:中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033中国科学院大学, 北京 100049
张维达:中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033
范日召:中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033中国科学院大学, 北京 100049

联系人作者:陈洋君(waneyang@163.com)

备注:陈洋君(1991-), 女, 湖南衡阳人, 硕士研究生, 2014年于东北大学获得学士学位, 主要从事光电通信及嵌入式方面的研究。

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引用该论文

CHEN Yang-jun,WU Zhi-yong,CUI ming,ZHANG Wei-da,FAN Ri-zhao. CameraLink image data fiber transmission technology based on MAX9259/MAX9260[J]. Chinese Optics, 2018, 11(6): 1017-1023

陈洋君,吴志勇,崔 明,张维达,范日召. 基于MAX9259/MAX9260的CameraLink图像数据光纤传输技术[J]. 中国光学, 2018, 11(6): 1017-1023

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