空間相干光束 的英文怎麼說
中文拼音 [kōngjiānxiānggānguāngshù]
空間相干光束
英文
space coherent beam- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 干 : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 束 : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
- 空間 : space; enclosure; room; blank; interspace
- 相干 : 1 (多用於否定句或疑問句) have to do with; be concerned with 2 [物理學] coherent; 相干散射 coher...
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The main results of this thesis can be summarized as follows : 1. based on the huygens - fresnel principle, we have derived the propagation expressions of the partially coherent beams passing through an annular lens optical system. the influence of the spectral degree of coherence, fresnel number and truncated parameter on the focused intensity distribution and focal shift is analyzed
主要工作包括: 1 .從惠更斯-菲涅耳原理出發,推導了部分相干光束通過環形透鏡系統的傳輸公式,分析了空間相干度、菲涅耳數、攔截系數對系統中光束的聚焦光強和焦移的影響。Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured
五、利用環路徑向剪切干涉儀共光路、雙光束干涉的特點,全場準確測量了液晶空間光調制器的位相調制特性,並且利用它的位相調制特性實現了臺階位相板畸變波前的補償,由此證明了液晶空間光調制器可用於控制波前畸變。A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。An optically addressed spatial light modulator ( oa - slm ) made of brd96n and based on its good nonlinear optical characteristics is presented. an experiment study on the mutual conversion of coherent - to - incoherent image is carried out, and the mutual modulation of two spatial light beams can be realized base on the gene - variant br films
基於br膜良好的非線性光學特性,開展了br膜作為一種光尋址的空間光調制器( br - oa - slm )的研究,進行了相干光圖像信息與非相干光圖像信息的相互轉換實驗,實現了空間兩束光的相互調制。The laser beams from m - z interferometer will focus on three different dots after going through the positive lens, and the prisms were placed on these dots. owing to the deviation of these prisms, three interferograms will be separated each other when they reach the image board
由干涉儀射出的三束光經凸透鏡會聚于空間位置不同的點,把光楔放置在這些點上可使三束光在空間上彼此分開,利用ccd相機可記錄下三幅干涉圖。From the geometric limit of light source, the paper discusses the arrangement for geometric size of non - coherent light source which affects the visibility of coherent pattern and gives the essential of the spatial coherence
摘要從普通光源線度的幾何約束出發,較詳細地討論了非相干光源線度及其干涉裝置參數的設定對其干涉效果(視見度)的影響,進一步論述了空間相干性的物理本質。- 2. in order to accomplish the extraction measuremellt of distorted wavefront on specific plane of a laser beam, a crsi ( cyc1ic radial shearing interferometer ) based on relay imaging technique was built. the experiinental result on this crsi shows it can used to test the spatial mid and low frequency wavefront distortion
二、為了實現激光光束在確定平面上的波前畸變的準確檢測,採用中繼成像技術建立了一套基於空間相位調制的環路徑向剪切干涉波前傳感硬體系統,實驗證明,它可用於中低頻段波前畸變的檢測。Starting from the propagation law of partially coherent light and using a typical partially coherent light, i. e., gaussian schell - model ( gsm ) beam describing the multimode laser in practice, i present in this dissertation the research results on vectorial partially coherent light, spectral changes of partially coherent light passing through optical element, spectral switch of partially coherent light diffracted by an aperture, and the spectral anomaly of diffracted fully spatially coherent light by an aperture
本文從部分相干光的傳輸理論出發,以模擬實際多模激光的一類典型部分相干光? ?高斯-謝爾模型( gsm )光束為主要研究對象,對矢量部分相干光、部分相干光通過光學元件的光譜變化、被光闌衍射的部分空間相干光的光譜開關和被光闌衍射的完全空間相干光的光譜異常等現象進行了深入研究。分享友人