acousto-optic device 中文意思是什麼
acousto-optic device
解釋
聲光學器件-
The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated
利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系,系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線,通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。 -
Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied
論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。 -
Operating modes of ln one - dimension anisotropic aeo device and kdp two - dimension isotropic and anisotropic aeo device are determined. the principle to determine electro - optic operating mode is that the difference of two intrinsic diffractive index doesn ’ t contain nature birefringence and the acousto - optic operating mode should achieve a higher acousto - optic merit value to improve the efficiency
選擇電光工作模式時,以所選取的電光工作模式的兩個本徵模之差不含有自然雙折射量為最佳模式;選擇聲光工作模式時,以聲光優值盡可能大為原則,以便提高器件的衍射效率。 -
The research results will lay the foundations for the design and manufacture of multi - dimensional acousto - electro - optic device
多維聲電光器件在光信號處理與多路光通信領域內有廣泛應用前景。 -
The research results will lay the foundations for the design and manufacture of the multi - dimensional acousto - electropic - optic device. the thickness of plating layers and the length, width, thickness of piezoelectric transducer are determined, according to transporting line theory of mason ' s equivalent circuit
本文還利用傳輸線的瑪森等效電路理論確定各晶體在其工作模式下各鍍層的厚度及換能器的長度、寬度、厚度;研究結果為多維聲電光器件的設計與製作打下了良好基礎。
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