Design of acousto-optic imaging spectrometer for mars exploration

ZHAO Hui-jie; CHENG Xuan; ZHANG Ying

doi:10.3788/OPE.20122009.1945

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Design of acousto-optic imaging spectrometer for mars exploration

Article | 更新时间：2020-08-12

- Design of acousto-optic imaging spectrometer for mars exploration
- Optics and Precision Engineering Vol. 20, Issue 9, Pages: 1945-1952(2012)
- 作者机构：
  
  北京航空航天大学仪器科学与光电工程学院教育部精密光机电一体化技术实验室北京,100191
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122009.1945
  CLC： TN65;TH744.1
- Received：17 April 2012，
  
  Revised：09 May 2012，
  
  Published：10 September 2012
- 稿件说明：
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赵慧洁, 程宣, 张颖. 用于火星探测的声光可调谐滤波器成像光谱仪[J]. 光学精密工程, 2012,20(9): 1945-1952

ZHAO Hui-jie, CHENG Xuan, ZHANG Ying. Design of acousto-optic imaging spectrometer for mars exploration[J]. Editorial Office of Optics and Precision Engineering, 2012,20(9): 1945-1952
赵慧洁, 程宣, 张颖. 用于火星探测的声光可调谐滤波器成像光谱仪[J]. 光学精密工程, 2012,20(9): 1945-1952 DOI： 10.3788/OPE.20122009.1945.

ZHAO Hui-jie, CHENG Xuan, ZHANG Ying. Design of acousto-optic imaging spectrometer for mars exploration[J]. Editorial Office of Optics and Precision Engineering, 2012,20(9): 1945-1952 DOI： 10.3788/OPE.20122009.1945.

摘要

面向火星探测

设计并研制了一种基于声光可调谐滤波器(AOTF)原理的成像光谱仪地面原理样机。该样机由前置光机系统和后置电子学系统组成

光学系统采用消色差远心光路结构

工作波段为550~1 000 nm

光谱分辨率为0.9~4.0 nm。在电子学系统中引入可编程片上系统技术

并设计了新型SpaceWire高速总线接口用于数据传输。样机在实验室定标的基础上

搭载于模拟火星探测器上进行了成像试验。试验结果表明:样机成像质量良好;与ASD光谱仪的一致性对比检验表明

光谱测量准确可靠

两者数据匹配精度超过96%。SpaceWire接口实现了100 Mb/s数据率的稳定传输

满足设计指标25 Mb/s的要求。样机的研制为AOTF成像光谱技术在火星遥感探测领域的应用奠定了技术基础。

Abstract

For mars exploration

a novel prototype of imaging spectrometer consisting of an optomechanical subsystem and an electronic subsystem was designed based on an Acousto-optic Tunable Filter(AOTF). An achromatic telescopic optical system was used in the spectrometer and its spectral range was between 550 nm and 1 000 nm

while the spectral resolution was 0.9-4 nm. In electronic subsystem

a system-on-a-programmable-chip was introduced and data transmission was implemented by employing a novel bus technology of SpaceWire. On the basis of laboratory calibration

the prototype was installed in the stimulant mars explorer

and a hyperspectral imaging experiment was performed. Experimental results indicate that the prototype of imaging spectrometer can offer good imaging quality and the measurement identify between the prototype and an ASD spectrometer is over 96%. Furthermore

the SpaceWire bus can transport data at a rate of 100 Mbps continuously

which satisfies the technique requirement of 25 Mbps. The development of the prototype provides technical foundation for applications of AOTF imaging spectral technique to mars-based remote sensing in future.

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references

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