diffraction efficiency造句
造句與例句
手機(jī)版
- The beam steering theory is studied to solve the problem that we can not get wider 3db bragg bandwidth and high diffraction efficiency at the same time in the optimum design of ln anisotropic acousto - optic deflector ( aod ) which is a crucial issue in the process to design an ao deflector . based upon the study of the unit cell structure of ln , the acoustic property and the optical property and the acousto - optic property are analyzed and presented
以最根本的鈮酸鋰晶體晶胞結(jié)構(gòu)為出發(fā)點(diǎn)對(duì)鈮酸鋰晶體的聲學(xué)、光學(xué)以及聲光性質(zhì)進(jìn)行了推導(dǎo)和描述。并以此為基礎(chǔ)利用克里斯托夫方程計(jì)算鈮酸鋰晶體中分別在xoz與yoz聲光互作用平面上的本征速度與聲離軸角之間的關(guān)系,并給出倒速度曲線(xiàn)。 - Based the diffraction theory of optical wave , designed by computer and etched to 2 or more steps of surface relief structure by laser beam ( or ion beam / electron beam ) on the substrate ( or the surface of the traditional optical device ) , boe is a kind of purely phase modulation diffraction device with extremely high diffraction efficiency
Boe是指基于光波的衍射理論,利用計(jì)算機(jī)輔助設(shè)計(jì),并用激光束(或離子束/電子束) ,在基片上(或傳統(tǒng)光學(xué)器件表面)刻蝕產(chǎn)生兩個(gè)或多個(gè)臺(tái)階深度的浮雕結(jié)構(gòu),形成純位相、同軸再現(xiàn)、具有極高衍射效率的一類(lèi)衍射光學(xué)元件。 - 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(chǎn)生優(yōu)質(zhì)的聚焦能力與效率，本研究采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(diào)制藥劑比例成分，并依嚴(yán)格的制作步制成重鉻酸明膠全像片外，并采用不同角度重覆曝光方式改良干涉式波帶板無(wú)法自動(dòng)追蹤的缺點(diǎn)，經(jīng)過(guò)多次試驗(yàn)與改進(jìn)，藉以形成具備高繞射效率和自動(dòng)追蹤功能的全像光學(xué)波帶板。 - The diffraction efficiencies of multiple holograms recorded and fixed in different number of batches are calculated and analyzed . if a special exposure schedules calculated based on the characteristic time constants of batch fixing scheme is incorporated for equalized diffraction efficiency , the greater the number of batches is , the higher the equalized diffraction efficiency of fixed holograms
結(jié)果表明，采用分批存儲(chǔ)熱固定技術(shù)，所分的批次數(shù)越多，經(jīng)等衍射效率曝光時(shí)序記錄后的全息圖最終達(dá)到的等衍射效率值越高，并且所有全息圖的寫(xiě)入曝光時(shí)間值越接近。 - Also the intensity of the reconstruction image was studied in the angle of the influenced by the diffraction efficiency . the diffraction efficiency of the low frequency is lower than that of the high frequency . ( 2 ) the contrast in the linear exposure is better than in the nonlinear exposure by using the kozma model to analyze
另外還從物參比的角度分析了非線(xiàn)性曝光對(duì)再現(xiàn)光場(chǎng)的影響，即衍射效率對(duì)再現(xiàn)光強(qiáng)的影響，得出低頻部分的衍射效率低于高頻部分的衍射效率，較好的解釋了再現(xiàn)像出現(xiàn)了邊緣剪切效應(yīng)的原因。 - Abstract : first , this paper deduced the diffraction equation for refractive index phase modulation holographic grating , and pointed out that the diffraction efficiency was mainly influenced by refraction index modulation , and the diffraction efficiency of different levels came from many factors . the volume grating effect affected the diffraction efficiency of transmission hologram
文摘:首先推出折射率相位調(diào)制型全息光柵的衍射方程,由此說(shuō)明衍射效率主要取決于調(diào)制折射率,且各級(jí)衍射光的衍射效率不同是多種原因造成的。 - However , the msw - based mo devices haven ’ t still been applied extensively up to now because of low bragg diffraction efficiency . the generation and propagation characteristics of magnetostatic forward volume waves ( msfvws ) under nonuniform bias magnetic field and the bragg diffraction efficiency of gows with the msfvws are theoretically studied in this paper
本論文主要從理論上研究不均勻場(chǎng)中靜磁正向體波( msfvw )的激發(fā)與傳播特性,以及不均勻偏置磁場(chǎng)在提高靜磁波對(duì)導(dǎo)波光的bragg衍射效率方面所起的作用。 - The effects of multi - grating diffraction result in enhancement of the diffraction efficiency in two - beam interference experiments . with self - pumped phase - conjugate external cavity of ce : batio3 for the cw ti : sapphire laser , the frequency shift of the laser output due to the self - scanning effect was observed , which approve the possibility of the self - scanning tunable method
同時(shí)位相共軛外腔還使得激光閡值由未加位相共軛腔時(shí)的4 . 7w下降到加位相共軛腔時(shí)的3 . 6w ，利用外腔理論對(duì)實(shí)驗(yàn)結(jié)果進(jìn)行了理論分析，理論計(jì)算結(jié)果和實(shí)驗(yàn)結(jié)果基本符合。 - The influence of msfvw bandwidth on the diffraction efficiency is also considered . for the nonuniform bias magnetic field of u - type parabola profile , when the msw frequency is less than the cut - off frequency at the edge of mo film , the effective mo interaction length reduces . the edge cut - off frequency is determined by the maximum of the nonuniform field
對(duì)于拋物型分布(開(kāi)口向上)的偏置磁場(chǎng),當(dāng)激發(fā)靜磁波的rf頻率小于邊緣截止頻率時(shí),磁光作用的有效長(zhǎng)度減小(與靜磁波頻率有關(guān)) ;邊緣截止頻率由不均勻磁場(chǎng)的最大值決定,靜磁波的下限截止頻率由不均勻場(chǎng)的最小值確定。 - This paper is aiming at image recognition based on angle - multiplexed volume holographic correlator . the principles of the volume holographic storage are firstly introduced in this paper . they are the recording , reconstruction , diffraction efficiency and angular selectivity of volume holograms
本論文首先介紹體全息存儲(chǔ)的基本概念和理論，它包括體全息圖的記錄和再現(xiàn)，體全息圖的衍射效率，體全息圖的水平、垂直角度選擇性等，并介紹了光學(xué)相關(guān)器和圖像識(shí)別。 - It's difficult to see diffraction efficiency in a sentence. 用diffraction efficiency造句挺難的
- Abstract : with the use of the theory of blazed phase gratings , the color separation phase grating used for icf drivers is designed , which can off - axis separate the fundamental , 2nd and 3rd harmonic waves . theoretically , its diffraction efficiency for 0 " th order at the 3rd harmonic wave is 100 % . experimentally , a color separation grating is made . both its separation angles ( at the 1st and 2nd harmonic waves ) and its diffraction efficiencies for 0 " th order are measured , and some significant results are presented
文摘:采用相位閃耀光柵原理設(shè)計(jì)出用于icf驅(qū)動(dòng)器中能離軸分離基頻、二倍頻、三倍頻激光的色分離相位光柵，理論上三倍頻零級(jí)衍射效率達(dá)到100 ，同時(shí)，對(duì)該相位光柵進(jìn)行了實(shí)際制作和實(shí)驗(yàn)測(cè)量，測(cè)出了基頻光和二倍頻光的分離角以及光柵的零級(jí)衍射效率，得到了一些有意義的結(jié)果。
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