激光製作 的英文怎麼說
中文拼音 [jīguāngzhìzuò]
激光製作
英文
o engraving and laser making-
Its tunable wave - region is over 100nm ( 701 812nm ) with the characteristics of simple manufacture and compact structure ; pulse with high energy can be obtained through q - switch for longer life ( 260us ) particles in upper level in this paper, tunable and q - switch mechanism and principle of working material alexandrite ( cr3 + : beal204 ) is firstly expatiated and analyzed. the experiment of tenability ( et ) and experiment of q - switch ( eq ) is proved feasible
該激光器波長在701 - 826nm之間,製作容易,結構緊湊;上能級粒子壽命長( 260 s ) 、調q容易得到大能量輸出本論文首先對激光工作物質?紫翠寶石( cr ~ ( 3 + ) : beal _ 2o _ 4 )的調諧與調q原理和機制進行了解釋與分析,確定了調諧與調q實驗的可行性。5. using these mathematic models discussed in the paper, the homemade excimer laser aberration correction system has been manufactured with cooperation of su zhou 66 vision tech co., ltd. now the system has been applied to clinical practice. clinical results showed that : the excimer laser aberration correction system can remarkably improve visual performance when treating ametropia ; the system can
5 .根據論文中的關鍵模型,與有關單位合作,研製出了準分子激光人眼像差矯正系統,該系統目前已投入臨床應用;臨床報告表明,系統在矯正屈光不正時效果顯著且安全,在像差矯正時有效、安全。The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering
模擬結果表明,掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的熱應力,使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時應採用單向掃描策略。Abstract : fingerprint technology is an important part of computer software encipher, this paper presents the principles and methods to make and discriminate the laser hole fingerprint, the weak region fingerprint and the short sector fingerprint
文摘:指紋技術是計算機加密技術的一個重要組成部分,文中詳細論述了激光孔指紋、弱位法指紋及短扇區指紋的原理、製作與識別的方法。Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment
實驗中發展了一些測量技術,例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象,利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈,利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈,可以作為實驗室的常規測量工具,並有一定的推廣價值。It has reported that the amygdaloid complex exerts ianuence on the medial geniculate body and the auditory cortex. not only the light evoked response of latera geniculate cells can be modulated by the amygdaloid complex, but also their receptive field characterstics. the pathway of this modulating innuence is amygdala isual cortexateral geniculate
已有的工作表明,杏仁復合體可對內膝體和聽皮層聽覺信息產生影響作用,在視覺上,杏仁復合體不僅對兔外膝體神經元閃光刺激反應活動產生抑制和易化影響,而且對外膝體神經元的感受野特性具有調製作用,這種作用是通過杏仁-視皮層-外膝體途徑而實現。Along with low optical fibers and high performance laser ' s development, optical fiber communication system and optical fiber passes system both need to be made a certain shape to produce various grow intervocalic oarts of apparatuses
隨著低損耗光纖和高性能激光器的發展,光纖通信系統和光纖傳感系統都需要把光纖彎曲成一定形狀製作各種光纖元器件。The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser
大功率半導體量子阱激光器是一種性能優越的發光器件,具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點,廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎,對器件的光學和電學性能有著重要的影響,生長不出優質的材料體系,獲得高性能的器件就無從談起,因此,材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。Making orthographic images of ancient architecture with lidar technique
利用激光雷達技術製作古建築正射影像圖Through studies of material characteristics suitable for making semiconductor laser heat sinks, we have manufactured panel heat sinks, large - channel heat sinks and micro - channel heat sinks
通過對適于製作半導體激光器熱沉的材料特性進行研究,製作出平板熱沉、大通道熱沉及微通道熱沉。The grating and reticle, which linewidth errors are less than 10 % nominal linewidth, are fabricated by ldw. for the first time metallic mesh film with area 200mm 200mm fabricated by using ldw photolithography and coating technology
本文完成了直角坐標激光直寫光刻技術研究,開展了離焦激光直寫光刻的工藝研究,製作了光柵和網格分劃板,線寬誤差控制在10 %以內。Chapter 4, a large part of this paper, is devoted to describe the experimental setup, the laser beam reshaping, the beam diagnostics, and the improvements of a streak camera. this is also an important part of my work for it is to establish a stable experimental platform for the further research
實驗條件的建立是這個工作的一個重要組成部分,所以在第四章用較多篇幅介紹了激光的空間整形和時間整形、激光的光束診斷方法、條紋相機的改進、簡易靶的製作方法等等。We have developed a high precision wavemeter with an accuracy of 2 10 ^ ( - 8 ) in measuring vacuum wavelength, and a frequency measurement instrument by femtosecond modelocked laser with an accuracy of commercial cs standard
為了適應研究工作的需要,研製了高精度激光波長計,測量真空波長的準確度可達2 10 ^ ( - 8 )的量級,同時研製了飛秒鎖模激光的測頻裝置,目前的測量精度可與小銫鐘的精度相同。( 3 ) an ytterbium - doped double - clad fiber laser is made through co - operation
( 3 )合作製成了摻yb3 +雙包層光纖激光器。The laser unit, because of its monochromaticity and small divergency, is used as sensor ’ s light source. devices and chips provided with high - speed responsing and processing capabilities are employed. as a result, the achieved uncertainty of time measuring is 125 ps, demonstrating an accuracy improvement in magnitude of an order
在設計製作中採用了單色性和方向性好的激光作為光源,選取了高速響應和有高速處理能力的一系列器件、晶元,因此時間測量的精度達到了125ps ,比以往的測試方法提高了1個數量級以上,速度測量精度達到掃描速度的0 . 1 % 。Whether the seeding absence alarm device works well or not is mainly decided by anti - dust condition of seeding absence monitoring sensor. it had been analyzed the factors affecting the anti - dust performance of optoelectronic sensor. double - way laser reverse direction sensor has been made ( anti - dust index access to 0. 95, while the index of the led only reach 0. 5 around )
本研究從器件、結構、放大電路等多方面分析了影響光電傳感器抗塵性能的因素,製作了雙路激光逆向直射傳感器(根據本文提出的量化方案抗塵指數可達0 . 95 ,一般led光電傳感器為0 . 5左右) 。Stencil manufacturing techniques include chemical etching, laser cutting and electroforming
鋼網製作技術包括化學腐蝕,激光切割和電鑄。In fact, laser beam quality is a main parameter that has key action on laser materials processing from the beginning to the end. in this dissertation, the parameter used to evaluate laser beam quality is proposed. the influence of beam quality on beam propagation and focus are studied in theory and measurements separately
本文以光束質量為主線,研究了光束質量對激光製造技術貫穿始終的重要作用,提出了以描述激光束聚焦特性為核心的光束質量評價參數;理論分析,並實驗驗證了光束質量對光束傳輸和聚焦性能的影響;最後,以激光焊接為實例,研究了光束質量對激光加工過程的影響。Based on analyse of parameters which used to evaluate laser beam quality at present and according to the main properties which influence on laser manufacturing, beam focus characteristics parameter is put forward as the stander parameter to evaluate beam quality, because the foundmental advantage of laser beam applied in industral field is that laser beam can achieve high energy intensity through focusing
論文在總結目前存在的評價激光光束質量參數的基礎上,根據對影響激光製造的主要光束特性參數的分析,以光束空間特性為核心,提出用光束聚焦特徵參數值作為評價激光光束質量的參數。因為激光作為能源能夠在工業領域廣泛應用的根本優勢就在於它可以通過聚焦獲得極高的能量密度,而值恰恰表徵了實際光束的可聚焦能力。In the paper, the master light source is a compact no water - cooled er - doped yag solid laser, developed by ourselves
本論文中,利用自行研製的小型化,無水冷的摻鉺yag固體激光器作為核心光源。分享友人