相干光輻射 的英文怎麼說
中文拼音 [xiānggānguāngfúshè]
相干光輻射
英文
coherent optical radiation- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 干 : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 相干 : 1 (多用於否定句或疑問句) have to do with; be concerned with 2 [物理學] coherent; 相干散射 coher...
- 輻射 : radiation; exposure; radio; beaming
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The two photons go off together as coherent radiation.
這兩個光子一起發射出去,形成相干輻射。Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently
與現有的同類型儀器相比,該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾;採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率;用低強度的激光避免了對樣品的輻射損傷,同時可以使激光器和系統集成在一起,整個系統小型實用。It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation
針對實際的實驗條件,考慮了一種影響量子干涉的新的因素-四波混頻場,研究了四波混頻場對雙光子探測的-型能級體系的eit的影響,發現四波混頻場能夠導致雙光子探測的eit線型的不對稱,在此基礎上,討論了不同探測場的傳播方式對eit的影響,針對分子中實際存在的包含有微擾能級的不同多能級系統,我們分別採用綴飾態繪景下的密度矩陣方程和weisskopf - wigner近似下的密度矩陣方程詳細地討論了電磁感應透明、自發輻射的干涉相消和相長、雙暗態共振和雙電磁感應透明現象。Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity
連續波光學參量振蕩器( cwopos )可以用來拓寬激光的波長范圍,有較寬的調諧區域,是一種理想的產生相干輻射的裝置。由於它的窄線寬和寬調諧的輸出特性,也被用於光譜學、相干光通訊、量子光學等領域。The third chapter is experiment analyses of multi - aperture transient electromagnetic method, it analyzes multi - aperture transient method in theory and discusses radiation direction characteristic of first field by means phased array theory and integrating result of experiment contrast. according to kinematics character it also brings forward similar interference concept and analyzes reason of similar interference phenomenon, it gained footing between similar interference item and depth on the base of it and experiment formula
藉助于相控陣原理的思想,結合模擬實驗觀測值對比結果,對多孔徑tem方法進行模型分析,詳細討論了多孔徑一次場的輻射方向特性,利用光波的運動學特徵提出類相干的概念,分析了多孔徑tem輻射源存在類相干現象,推導出類相干實驗公式,並得出類相干項與多孔徑框邊長以及埋深的關系表達式和。A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted
Thz ( 10 ~ ( 12 ) hz )時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術,它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源,利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形,通過傅立葉變換得到測量信號振幅和相位的光譜分佈,進而獲得材料在thz波段的復介電常數,即色散及吸收等信息。Many novel physical phenomena such as coherent population trapping, lasing without inversion, electromagnetically induced transparency as well as spontaneous emission cancellation and enhancement based on quantum interference have been discovered
基於量子干涉效應,產生了許多新的物理現象和效應,如相干布居捕獲、無反轉激光、電磁感應透明和自發輻射相消等。Measurement and assessment of personal exposures to incoherent optical radiation - part 1 : ultraviolet radiation emitted by artificial sources in the workplace
非相干光輻射下個人輻照量的測量和評估.第1部分:工作地點內人工光源發出的紫外線輻射Measurement and assessment of personal exposures to incoherent optical radiation - part 1 : ultraviolet radiation emitted by artificial sources in the workplace ; german version en 14255 - 1 : 2005
非相干光輻射下個人輻照量的測量和評估.第1部分:工作Measurement and assessment of personal exposures to incoherent optical radiation - part 2 : visible and infrared radiation emitted by artificial sources in the workplace ; german version en 14255 - 2 : 2005
非相干光輻射下個人輻照量的測量和評估.第2部分:工作Measurement and assessment of personal exposures to incoherent optical radiation - part 2 : visible and infrared radiation emitted by artificial sources in the workplace
非相干光輻射下個人輻照量的測量和評估.第2部分:工作地點內人工光源發出的可見和紅外輻射Safety of laser products - part 9 : compilation of maximum permissible exposure to incoherent optical radiation iec tr 60825 - 9 : 1999
激光產品安全性.第9部分:非相干光輻射最大允許曝光Opo is one of the most promising all solid state source of coherent radiation that is tunable over a broad wavelength range and high average power output with a high conversion efficiency. the application and exploitation of it has important value of not only in theory but also practicality. but the development of opo requires the high optical quality and high damage threshold crystals
Opo是一種具有廣泛應用前景的全固化相干輻射光源,而且具有寬的調諧范圍、高的輸出功率、高的轉換效率等特點,使opo的應用和開發具有重要的理論和實用價值,但是opo的發展需要有高的光學特性和高的抗損傷閾值的晶體。分享友人