Studied the read method for equal diffraction efficiency image 研究了等衍射效率全息圖的讀出方法。
Focusing characteristics and diffraction efficiency of the holographic lens in icf driver system 系統中全息透鏡聚焦特性及衍射效率分析
Meanwhile , such parameters as diffraction efficiency , deflection angle and driving power of device have been analyzed and computed theoretically 電極厚度以及器件的聲光衍射效率、偏轉角度、聲驅動功率等參數。最后是器件的制作。
The relationship between diffraction efficiency and groove depth , and the light - guiding properties of sub - micron gratings are verified by experiments 通過實驗驗證亞微米光柵衍射效率與光柵槽深的關系,并證實亞微米光柵具有導光特性。
Furthermore , the exposure schedule for recording holograms with equalized diffraction efficiency is designed based on the above - mentioned optical erasure time constants 并且依據上述兩種光擦除時間常數,為分批存儲熱固定多重全息圖的等衍射效率記錄設計了曝光時序。
The transmission angle is controlled by grating frequency and the diffraction efficiency is controlled by groove depth of sub - micro gratings to get uniformity of transmission filed 亞微米光柵型導光板通過光柵空頻控制出射光方向、控制槽深調節衍射效率,達到導光板出射光強的均勻性。
The diffraction efficiency changing with grating parameters , especially for the situation that gaussian beams diffracted by finite grating , is numerically studied . 3 對單色平面波和有限尺寸高斯光束入射矩形光柵時的衍射效率與光柵柵距、槽深、開口比和入射角等參數的關系進行了仿真計算。
The recording characteristics of the material are discussed in detail in terms of sensitivity , diffraction efficiency , bragg angle , refractive index modulation ( an ) and so on 通過在材料中記錄無傾斜光柵,研究了該材料的全息存儲特性(包括衍射效率,靈敏度,動態范圍,折射率調制度,角度選擇性等) 。
We stored 1000 binary pages in a 0 . 03 % ferlinbo3 crystal using this system and batch thermal fixing technique . all the stored images are retrieved , and the retrieved images have uniform diffraction efficiency and good quality 最后,采用分批熱固定方法在fe : linbo _ 3中存儲1000幅二值數據頁,全部讀出所有的圖像,衍射效率均勻,圖像質量良好。
The results demonstrate the diffraction efficiency of the sample increase with the spatial frequency firstly and then up a certain threshold . above the threshold spatial frequency , the diffraction efficiency of the sample will decrease 另外,通過改變材料厚度的實驗研究發現,材料的全息存儲性能起初隨厚度的增加而增加,但當厚度增到一定的值后,其性能反而開始下降。
The term diffraction efficiency describes the performance of diffractive optical elements ? especially diffraction gratings ? in terms of power throughput. It's a measure of how much optical power is diffracted into a designated direction compared to the power incident onto the diffractive element.