高光束 的英文怎麼說
中文拼音 [gāoguāngshù]
高光束
英文
high beam-
Parameter changes of gaussian beams after passing through astigmatic lens
高斯光束通過像散透鏡后光束參數的變化Focusing properties of gaussian beams passing through a bifocal lens
高斯光束通過雙焦透鏡的聚焦特性Pulsed - light ceilometer
脈沖光束雲高計Quite apparent is the fact that most laser beams are exceedingly directional, or if you will, highly collimated.
非常明顯的是,大多數激光光束有很好的方向性,或者說,是高度準確的。When a collimated - well gaussian laser beam passes through a 27i - phase plate and then focused by a lens, a focused hollow beam ( fhb ) will be generated behind the lens, as a result of the completely ( r = 0 ) and partially ( r 0 ) destructive interference effects around the central region of the beam
當一束準直的高斯光束通過具有2位相分佈的位相片和一個薄透鏡時,這將導致在入射高斯光束中心的完全和部分相消干涉效應,於是在透鏡后就會形成一束聚焦中空光束( fhb ) 。In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上,提出了一種雙向激光掃描檢測系統,其採用激光掃描檢測技術與特殊光學系統相結合,用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描,經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統,對將攜帶有垂直方向被測量信息的光束進行處理,實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量,解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題,它具有高速,高精度和非接觸自動測量等特點。Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理;首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系,計算單個激光脈沖角膜切削量;發現了角膜曲率對切削效果的影響,首次提出了角膜曲率半徑、切削位置與切削深度的關系;首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響,為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。A beam of high radiant power will have high divergence.
高輻射功率的光束會有高的發散度。From the efficiency curves, we can obviously see that it has the fittest length of crystal and the power of pump if the other condition is determined
提出了在雙諧振時,平面波和高斯光束在一定的泵浦條件下,都存在最佳長度、最佳泵浦強度的問題,並對其進行了計算機數值模擬。In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam
第三章分析和數值模擬計算了平面波雙諧振情況下clbo晶體的振蕩閾值和轉換效率曲線,同時給出了高斯光束的轉換效率曲線並與bbo晶體進行了比較。The projector and beam of light represent the elohim creator beings consciousness, the celluloid and focusing device on the projector represent the template and its synchronization function, the screen represents the magnetic receptacle or matrix which will receive the higher image, and the image ( projection ) is the creation itself
投影機和光束表徵了耶洛因創造者的存在意識,投影機上的賽璐珞和聚焦裝置表徵了生命模板和它的同步功能,銀幕表徵了磁場容器或矩陣能量,矩陣能量可以接受到更高級的圖像,而圖像(投射)就是創造物本身。To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design
為減少打標畸變,採用垂直二維振鏡分佈, f物鏡聚焦,將激光束經第二個振鏡反射後到加工平面的距離為焦距f ,為了避免打標時間過長,溫度過高破壞諧振腔,在設計中加上冷卻系統和自我保護裝置。The double - clad fiber laser has the advantages of simple structure and high reliability, high output power, high conversion efficiency, high beam quality
它具有結構簡單緊湊、輸出功率高、穩定可靠、光電轉換效率高、光束質量好等優點。The detecting accuracy of the beam drift would be improved, as a high performance acoustooptic modulator modulates the frequency of the laser beam drift signal far away from the power frequency, the double power frequency and high frequency noises
具體包括: 1 .利用聲光調制器將光束漂移量信號調制到遠離工頻及其倍頻干擾和高頻噪聲的頻帶段,以期提高光束漂移量的檢測精度。To achieve diffraction - limited beam quality laser, single mode fiber is used as waveguide in both fiber amplifier and fiber laser in the past
為了實現高光束質量激光輸出,傳統的光纖放大器和光纖激光器均採用芯徑較小的單模光纖作為增益介質波導。In the region of materials processing with high power diode laser array, people should couple the beam from diode laser with optical fibers in high efficiency
本課題的目的是:通過大功率半導體激光器與光纖的雙向耦合,建立新型相干耦合的高光束質量大功率半導體激光器,以獲得高的焊接速度和良好的焊接質量。Based on certain theoretical analysis and toward thick recast layers and flaw ’ problem in laser drilling, adopting high power and high quantity laser carry experimental research
並在理論分析的基礎上以及針對激光打孔中出現的再鑄層和微裂紋等問題,採用研製的具有切割功能的高功率高光束質量的激光器,進行了激光打孔的實驗研究。The software meet the need of analysis and calculation of ghost images in multi - pass amplification, its analytic result direct apply the optical design of laser multi - pass amplification. it can reduce the time and cost of optical design and have actual significance
本課題所產生軟體能滿足多程放大系統不同要求的鬼像分析計算,其分析成果直接應用於激光多程放大系統的設計,對于縮短設計周期、提高光束質量、降低裝置造價,具有重要意義及明確的應用前景。The effects of the beam parameters on the focusing are also discussed, and it is found that some of the parameters have optimum values which result in the strongest focusing of the probe beam
進一步分析了光束初始參數對信號光聚焦過程的影響,發現選擇最佳參數值可提高光束的聚焦效率。Much research work on compact photon sources with small size, light weight, high efficiency and high quality is being carried out
體積小、重量輕、轉換效率高、光束質量好的緊湊光子源方面的研究越來越受到人們的重視。分享友人