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研究生:何健修
研究生(外文):Chien-HsiuHo
論文名稱:極光電子能譜儀之發展
論文名稱(外文):Development of Aurora Electron Spectrometer
指導教授:陳秋榮陳秋榮引用關係
指導教授(外文):Chio-Zong Chen
學位類別:碩士
校院名稱:國立成功大學
系所名稱:物理學系碩博士班
學門:自然科學學門
學類:物理學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:英文
論文頁數:58
中文關鍵詞:極光靜電分析儀
外文關鍵詞:auroraelectrostatic analyzer
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本篇論文的主要研究目的是發展極光電子能譜儀,此儀器預定部屬至電離層上層的人造衛星以量測極光上空的電子流。其性能要求為:於40毫秒內分32能量階段量測介於10電子伏特至2萬電子伏特能量的電子,並以16方向區塊量測電子速度方向與地球磁磁場方向之間夾角的電子流強度分部。為達成上述目的,極光電子能譜儀使用高帽式靜電分析儀(top-hat electrostatic analyzer),並搭配微通道版(micro-channel plate, MCP)以量測電子的通量。此研究主要分成兩項工作:
一、 在電腦數值模擬的輔助之下設計極光電子能譜儀:
以電腦數值模擬推估各種設計的性能。其中性能表現最佳的設計被選擇為極光電子能譜儀並製作了原型體。
二、 以實驗驗證極光電子儀的性能:
極光電子儀的原型體被放置於成功大學電漿與太空科學中心的離子束系統中進行測試與校準。將測試與校準結果與數值模擬結果進行比較,並以數值模擬探討造成差異的原因。
In the thesis, we report the development of an Aurora Electron Spectrometer (AES) to measure the electron energy distribution in the 10eV - 20keV energy range with 40ms time resolution for full energy scan with 32 energy steps for deployment in the upper ionosphere above the aurora arc. AES also measures the full particle pitch angle distribution with 16 azimuthal channels. For this purpose, a combination of top-hat electrostatic analyzer and micro-channel plate (MCP) is adopted measure particle flux. Two major focuses of this work are:
1. AES Design by numerical simulations:
Numerical simulations are performed to estimate the AES performance with different design parameters and the best design is determined for the AES fabrication.
2. Performance check of AES by experiment:
A prototype of AES has been built and its performance has been checked by conducting calibration test using the beam line system at the Plasma and Space Science Center (PSSC) of National Cheng Kung University (NCKU). The experiment results are compared with the simulation results. The differences between the experiment and the simulation are investigated.

摘要 I
Abstract II
誌謝 III
Chapter 1 Introduction 1
1.1 Aurora and Electron Acceleration 1
1.2 Aurora Electron Spectrometer (AES) 6
Chapter 2 Top-hat Electrostatic Analyzer 8
2.1 Basic Principle 8
2.1.1 History 9
2.1.2 Performance of Top-hat Analyzer 12
2.2 Detector 15
Chapter 3 Design of Aurora Electron Spectrometer (AES) 20
3.1 AES Geometrical Parameters 20
3.2 Performance Goal 21
3.3 Simulation Method 22
3.4 Simulation Results 27
3.5 Final Design 32
Chapter 4 Experimental Test of AES 33
4.1Beam Line System 33
4.1.1 Beam Monitor 35
4.1.2 Beam Profile Measurement 37
4.2 AES Fabrication and Experiment Setup 39
4.3 Measurement Results 44
4.4 Discussion 48
Chapter 5 Summary and Future Work 53
Reference 56

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