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(tǒng)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(zhuǎn)角度、聲驅(qū)動(dòng)功率等參數(shù)。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(guò)實(shí)驗(yàn)驗(yàn)證亞微米光柵衍射效率與光柵槽深的關(guān)系,并證實(shí)亞微米光柵具有導(dǎo)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(jù)上述兩種光擦除時(shí)間常數(shù),為分批存儲(chǔ)熱固定多重全息圖的等衍射效率記錄設(shè)計(jì)了曝光時(shí)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(dǎo)光板通過(guò)光柵空頻控制出射光方向、控制槽深調(diào)節(jié)衍射效率,達(dá)到導(dǎo)光板出射光強(qiáng)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(duì)單色平面波和有限尺寸高斯光束入射矩形光柵時(shí)的衍射效率與光柵柵距、槽深、開(kāi)口比和入射角等參數(shù)的關(guān)系進(jìn)行了仿真計(jì)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(guò)在材料中記錄無(wú)傾斜光柵,研究了該材料的全息存儲(chǔ)特性(包括衍射效率,靈敏度,動(dòng)態(tài)范圍,折射率調(diào)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(chǔ)1000幅二值數(shù)據(jù)頁(yè),全部讀出所有的圖像,衍射效率均勻,圖像質(zhì)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(guò)改變材料厚度的實(shí)驗(yàn)研究發(fā)現(xiàn),材料的全息存儲(chǔ)性能起初隨厚度的增加而增加,但當(dāng)厚度增到一定的值后,其性能反而開(kāi)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.