frequency crystals造句
例句與造句
- The dissertation discussed the theories of second - harmonic generation for negative uniaxial optical crystal and summarized properties of nonlinear optical crystals , which are subjected to ultraviolet second - harmonic generation , and represented the theorizational law of double frequency crystal select ( tldfcs ) . at present , bbo crystal is the most subjected to commercial crystal of ultraviolet second - harmonic generation according to compared kdp , bbo , clbo , kabo and kbbf crystals based on tldfcs
論述了負單軸晶體的倍頻理論，總結了適用于紫外倍頻的非線性光學晶體的特性，提出了倍頻晶體選擇的理論依據(jù)，并根據(jù)該依據(jù)通過比較，最后選定bbo晶體為目前最適宜用于產(chǎn)業(yè)化的紫外倍頻晶體。 - Firstly , we analyze the character of nd : yag , bbo and lbo , for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal . ln the theory , analyzing the parameter of the gain medium length , the ratio of the pump - and laser - beam waists . based on the above analysis , we design the resonance cavity
首先，我們對增益介質(zhì)的性質(zhì)和非線性晶體bbo和lbo的一些性質(zhì)進行了比較，選取nd ： yag作為增益介質(zhì)， lbo作為倍頻晶體。理論上分析了激光器設計中的一些參數(shù)值，如增益介質(zhì)長度、模式交疊率、最佳倍頻條件，并根據(jù)理論分析結果設計了諧振腔。 - Abstract : in view of the crystal structure , this paper repo rts thecharacter of single crystal growth of germanate and the properties as me dium of laser crystal . the study and progress in germanate crystals used as widel y tunable laser crystal , self - doubling - frequency crystal and highly efficient and low pumping threshold laser crystal are introduced
文摘:從晶體結構上分析了鍺酸鹽的單晶生長和作為激光晶體基質(zhì)的特點，并介紹了鍺酸鹽作為可調(diào)諧激光晶體，自倍頻晶體，高轉換效率和低泵浦閾值的激光晶體的研究及進展。 - The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations . the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light . using the polarization function of lbo , a quartz full - wave plate was introduced into the cavity , a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed
將腔內(nèi)多縱模倍頻速率方程推廣應用到準三能級藍光激光器中，分析了一個縱模、兩個縱模、多個縱模時的噪聲情況，合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩(wěn)定輸出的實驗現(xiàn)象，同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質(zhì)，類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性，合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片，通過選單頻來抑制噪聲，獲得了藍光低噪聲的穩(wěn)定輸出。 - The major job is manufactured a transmitter , which has three upmixer channels . its function is to up convert the signals from c - band to ka - band . the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise , through 512 times multiply to ka band . this sysetem is used in the laboratory as transmitter source of the fuze , for the multidimensional objects in practise , which lead to the complexity of the reflect signal , so the amplitude , frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals . therefore , this system requires for both the coherence of the single channel ’ s amplitude , phase and multi channels
本文的主要工作是應用戶要求制作一具有三發(fā)射通道的上變頻系統(tǒng),可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統(tǒng)的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供,經(jīng)過512次的倍頻放大至ka波段。本系統(tǒng)作為實驗室中引信的發(fā)射源,由于目標反射信號具有時變的多維性,反射信號變得極為復雜,在信號處理時,不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。 - It's difficult to find frequency crystals in a sentence. 用frequency crystals造句挺難的