holography (optical) 中文意思是什麼

holography (optical) 解釋
光全息照相
  • holography : n. （不用透鏡而用激光的）全息照相術；全息學。
  • optical : adj 眼的；視覺的；視力的；幫助視力的；光學（上）的。 optical activity 【物理學】旋光性。 an optic...
  1. Since the dichromated gelatin has a higher diffraction efficiency in all holographic recording materials, the aim of this research is to use dichromated gelatin as the recording material and to make use of the principle of holography to design holographic optical components, especially in fabrication procedure of dichromated gelatin film and in experimental technique to form a high diffraction efficiency using different angular exposure method

    為了產生優質的聚焦能力與效率，本研究採用目前具有最高繞射效率（ 80 ~ 90 % ）的重鉻酸明膠材料作為感光劑，除了自行調制藥劑比例成分，並依嚴格的製作步製成重鉻酸明膠全像片外，並採用不同角度重覆曝光方式改良干涉式波帶板無法自動追蹤的缺點，經過多次試驗與改進，藉以形成具備高繞射效率和自動追蹤功能的全像光學波帶板。
  2. It has many potential applications, including self - adaptive optics, optical computing and optical communications, image processing and real - time holography. in this thesis, we investigate the properties of the phase - conjugate wave produced by the self - pumped in cu : knsbn crystal and by the four - wave mixing in cr : sbn crystal

    光折變晶體具有非常大的非線性光學系數，是一種理想的相位共軛材料，因而被廣泛地應用於自適應光學、光計算、光通訊、圖像處理、實時信息處理等許多方面。
  3. The work of this thesis has four parts : in the first part, we will describe completely the developing history of optical holography and analyze its formation geometrically, moreover we also introduce the physical process of the recording and reconstruction of the hologram, and use the simple mathematical formulas to describe it

    本論文所作的工作主要有四部分：第一部分詳盡地敘述了光全息術的發展歷史，介紹了全息圖的記錄與再現的物理過程並進行了幾何分析，用簡單的數學公式表示全息圖的形成過程。
  4. Since 1990 ' s, a variety of methods, such as geometrical optical method, mode - conversion method, optical holographic method, computer - generated holography method, transverse - mode selection method, hollow fiber method and nonlinear optical method, have been used to generate the dark hollow beams ( dhbs )

    從90年代起，各種技術，如幾何光學法、模式轉換法、光學全息法、計算全息法、橫模選擇法、中空光纖法、非線性方法等，被相繼用來產生暗中空光束，並得到一些很好的實驗結果。
  5. ( 4 ) applications of digital holography in optical metrology are briefly discussed. we also present the fundamental principles of digital holographic interferometry and the two ways to realize it. and also the difference between digital holographic interferometry and optical holographic interferometry is considered

    （ 4 ）闡述了數字全息干涉術的基本原理和兩種實現方法，討論了其與傳統光學全息干涉術之間的聯系與區別，並根據數字全息術自身的特點，討論了諸如相位倍增因子等提高全息干涉計量精度的方法。
  6. Fourier transform computer - generated holography and optical reconstruction

    傅里葉計算全息術及光學再現
  7. Shift pattern correlation is also analyzed. an optical setup implementation of anamorphic fc is suggested. in order to simplify it, we propose to use computer - generated holography ( cgh ) to implement anamorphic fc

    論文提出了實現變形分數相關的光學裝置，由於其結構復雜，提出並採用計算全息方法實現了變形分數相關，可大為簡化光學實現裝置。
  8. By combining the advanced computer technology and optical holography technology together, computer - generated hologram can generate holograms, which, with no demand for objects, can be reconstructed through optical ways after the computer has processed the mathematical description of object waves

    計算全息是將先進的計算機技術和光全息術結合起來，利用計算機產生全息圖。它不需要物體實際存在，而是把物波的數學描述輸入計算機處理后，繪制出全息圖，然後用光學方法重現。
  9. Typical computer generated holography ( cgh ) and hologram synthesis that simulate typically optical holography need to compute a huge 2 - d holographic fringe, or to lose some 3 - d information and resolution to reduce data. the first real - time display of holographic images was reported in 1990 by the mit spatial imaging group. but this is still an open problem because view angle of holographic images, volume and speed of transmit are limited

    傳統的研究集中在計算機生成全息圖（ computer - generatedholography ，簡稱cgh ）和全息圖綜合的方法上，採用模擬光全息的物理方法，從而導致數據量龐大，無法在現有硬體上完成實時處理，或者靠損失部分三維信息和解析度以減少數據量，但失去了真三維顯示的效果。
  10. Based on light interference, diffraction and optical holography theory, the paper comprehensively describes the basic principle, main types, development trend as well as the objective and significance for carrying out the research of laser maskless interferometric lithography and holographic lithography

    本論文基於光的干涉和衍射及光學全息照相理論，綜合評述了光學光刻的基本原理、主要類型、發展趨勢及開展激光無掩模干涉光刻和全息光刻研究的目的和意義。
  11. Fiber digital holography is a useful technology which applies fiber to digital holography. it makes all kinds of complicated optical apparatus dispensable, and makes the experimental set - up more concise and compact. this technology expands the application fields of digital holography

    光纖數字全息術把光纖應用於數字全息術，省去了普通全息術中必不可少的各種反射鏡、擴束鏡等分立光學元件，使系統更加簡潔、緊湊、靈活，擴大了全息術的應用范圍。
  12. Digital holography is a novel imaging technique which uses high - resolution ccd - cameras as hologram recording medium and reconstructs the image with numerical method. it involves optical holography, computer science, electronic technology and digital image processing. in recent years, particle analysis with digital in - line holography is an active research field

    數字全息術用ccd記錄全息圖，以數值的方法再現全息圖，它綜合了光學全息原理、計算機技術、電子技術以及圖像處理技術，是一種新穎的全息成像技術，具有處理簡便、對實驗環境要求較低、可實現準實時處理等優點。
  13. Digital holography is a new imaging technique that uses a charge coupled device ( ccd ) camera for hologram recording and a numerical method for hologram reconstruction. this paper presents the concept and underlying theory for digital holography and its applications in 3 - d object reconstruction and optical metrology

    數字全息術以ccd等光電探測器件記錄全息圖，用數值方法再現全息圖，它是綜合光學全息原理和計算機技術、電子技術以及數字圖像處理技術發展起來的一種新型全息成像技術。
  14. The fundamental theory for digital lensless fourier transform holography and its applications in 3 - d object reconstruction and optical metrology are presented in this dissertation. ( 1 ) analytical foundation for numerical reconstruction of digital lensless fourier transform holography, namely discrete fourier transform theory, is presented. the basic principle and mathematical model for recording and numerical reconstruction of digital lensless fourier transform hologram is elaborated

    主要內容包括： （ 1 ）討論了數字無透鏡傅里葉變換全息術數值重建的數學基礎? ?離散傅里葉變換的基本理論，分析了數字無透鏡傅里葉變換全息圖記錄與再現的基本原理，建立了數字無透鏡傅里葉變換全息圖記錄與再現的數學模型。
  15. The aims are to implement 1 : 1 pixel - matching of high resolution data pages ( 1024 768 ) between slm and ccd, and to design a compact holographic disc storage system with optimized optical and mechanical structure, thus, to help with putting the holographic data storage technology into practice. we reviewed first the fundamental theory on volume holography ( mainly the coupling - wave theory ), and the mechanism of holographic storage materials ( mainly photorefractive crystals and photopolymers ). based on the above fundamentals, the importance of fourier transform holograms for holographic storage is described

    本論文從盤式體全息存儲的基本理論和相關技術出發，首先描述了光學體全息記錄的基本物理過程和耦合波理論;然後根據全息圖的類型特點，闡述了傅立葉變換全息光路作為體全息存儲器的光路系統的優點;同時對光學體全息存儲材料的存儲特性做了一些簡單的介紹;接下來討論了光學體全息體積復用存儲技術，最後對本論文工作應用到的空間-角度復用與盤式體全息存儲技術以及有關體全息存儲器光學設計的像差理論進行了詳細敘述。
  16. It is impossible to realize dynamic and real - time display for typical optical holography where there are two independence courses of optical holographic recording and optical holographic display

    經典的光全息由波陣面記錄與重現這兩個獨立過程構成，因此無法實現全息顯示的動態和實時性。
  17. Second, some algorithms of elimination of the conjugate image and the zero - order image are introduced and summarized. at the end of this chapter, the experimental setup of in - line phase - shifting digital holography is described. chapter3 : digital holographic recording and numerically reconstructing process is interpreted as a coherent optical imaging system

    第二章論述了同軸相移數字全息基本原理，總結和介紹了消除零級像和共軛像的幾種相移演算法，並較為詳細地介紹了同軸相移數字全息的實驗裝置。
  18. However, the application field of optical holography technology has been restrained, for the lack of the high coherence and intensity of lights and the quite stable optical instrument

    但是由於光全息技術要求具有高度相干性及高強度的光源、非常穩定的光學系統，因此限制了它們的應用范圍。
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