研究生: |
楊惟淳 Wei-Chun Yang |
---|---|
論文名稱: |
Czerny-Turner平面光柵高光譜儀之系統設計與解析度分析 The System Design and Resolution Analysis of a Czerny-Turner Type Hyperspectral Imaging with Planar Grating |
指導教授: |
柯正浩
Cheng-Hao Ko |
口試委員: |
徐勝均
Sheng-Dong Xu 沈志霖 Ji-Lin Shen |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 自動化及控制研究所 Graduate Institute of Automation and Control |
論文出版年: | 2015 |
畢業學年度: | 103 |
語文別: | 中文 |
論文頁數: | 159 |
中文關鍵詞: | 調製轉移函數 、Code V 、平面繞射光柵 、高光譜成像 、Czerny-Turner型光譜儀 、斑點圖 、系統波長解析度 、光譜解像力 |
外文關鍵詞: | modulation transfer function, grating, Czerny-Turner, hyperspectral imager, spectrometer, Code V, resolution, resolving power |
相關次數: | 點閱:252 下載:0 |
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光譜儀及高光譜成像有多種不同形式的設計,在本文中所使用的Czerny-Turner型光譜儀配置。因其採用的硬體元件較多,其中包括入射點光源的配置、準直鏡、聚焦鏡的形狀選擇、平面繞射光柵配置及參數設計、焦平面成像的放置等,任一元件或是參數的修正都會影像道系統的成像。
本實驗利用Czerny-Turner型光譜儀的基本設定進行最佳化,在模擬過程中使用光學軟體Code V設計並修正硬體元件的參數,透過其斑點圖以及調製轉移函數MTF (Modulation Transfer Function) 功能獲取成像資訊,並從光譜解像力及系統解析度的分系運算驗證此系統的成像品質。
本研究結果顯示,利用Czerny-Turner型光譜儀之基本設計經過最佳化元件之相關參數後,能利用簡單的元件配置以及透過準確的計算得到優異的高光譜影像系統。
Many different forms of design in spectrometers and hyperspectral imager. In this paper, we choose Czerny-Turner type to analyze which uses more elements than other typical type. We need to consider several factors that including the location of the light source, mirrors’ shape, grating’s pitch, and distance between component to component. The image equality can be changed by one of all this factors.
We optimize the model that is based on Czerny-Turner type by changing those factors and use different incident light’s way. By using optical software “Code V”, we can get wavelength information through two important software function, “Spot diagram” and “MTF (Modulation Transfer Function).” And the analysis of resolution and resolving power tell us the imaging quality of our system.
Consequently, adopting our design to compose a Czerny-Turner spectrometer can get excellent hyperspectral imaging systems through simple components and accurate calculations.
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