laser material 中文意思是什麼
laser material
解釋
激光材料-
Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally
因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動，國際上高功率二極體泵浦固體激光器（ dpsl ）的研究進展迅速，作為dpsl的一個重要應用，內腔倍頻一直得到大家的重視，但仍有許多未徹底解決的問題和理論上的不完備之處，本論文擬對其中的一些問題作一初步的理論和實驗研究。 -
It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g
本論文的主要成果包括以下幾個方面： （ 1 ）採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段，探明了以硅灰，超細磨粒化高爐礦渣，優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質；從理論上分析了礦物功能材料在混凝土中的4種效應，即火山灰效應、填充密實效應、微集料效應、表面吸附效應，並由此發揮出增塑、溫峰削減（降熱） ，增強及耐久性改善等作用；通過相關理論分析，推導出礦物功能材料的合理粒徑范圍在5 m 15 m ，即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。 -
By using laser light scattering ( lls ) and scanning electron microscopy ( sem ), the particle sizes of ultrafine silicon dioxide diminish and the congeries dispersibility were obviously improved, which shows that the hydrophobic property of ultrafine silicon dioxide after being modified has been much more strengthened, this surface modification provides wide market to reuse ultrafine silicon dioxide waste material
表明超細二氧化硅顆粒表面鍵合了疏水性有機分子鏈，蔬水性增強，達到了改性目的，為超細二氧化硅廢料的回收利用提供了廣闊的市場。 -
Laser diode or flash lamp pumped solid state lasers with different wavelength and different operating styles. wavelength tunable laser sources with tial2 o3 laser and optical parametric oscillator laser application machines with laser display, laser material procession
各種波長及各種運轉方式的激光二極體及閃光燈泵浦的固體激光器；採用鈦寶石及光學參量振蕩器的波長可調諧的激光光源；激光應用整機。 -
It is indicated after laser remelting, the density of the nano material infiltrated coating is improved and grain size is decreased greatly. in above researches, it is found that the nano material is distributed among general material grains to form inter - granular structure of the coating
研究發現，在各種塗層中納米顆粒明顯填充在粗顆粒間，構成晶間型組織結構；初步測試還表明，在al _ 2o _ 3 + 13 wt -
It is found that the nano material is distributed not only among general material grains to form inter - granular structure of the coating but also in the general material grains to form intra - granular structure. micro - crack caused by laser will be eliminated greatly. 3 mechanical performances of the ceramic coating manufactured are tested
得到的結論是經過激光熔覆后的塗層緻密化程度有了很大的提高，比單純的激光重熔塗層還高，納米顆粒不僅填充在晶粒之間，而且還嵌入在大晶粒內部，有利於消除激光作用產生的微裂紋。 -
A laser is a device composed a special material.
激光器這種器件是用特殊材料製成的。 -
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。 -
The material must be sensitized for the monochromatic radiation of the laser.
此材料必須對該激光器的單色輻射敏感。 -
The summary about this paper is as follows : by adjusting the composition of the glass, the author prepared two kinds of glassy laser material : tellurite glass ( shorten form : tbzre ) and phosphate glass ( shorten form : npre - 1 )
具體內容如下： 1 ）通過調整配料組份，制備出了兩種新型的玻璃激光材料：亞碲酸鹽玻璃（簡稱tbzre ）和磷酸鹽玻璃（簡稱npre - 1 ） 。 -
Yttrium aluminum garnet ( y3al5o12, yag ) is not only a very important laser material, but also a high - temperature structural material and a fluorescence material. in this paper, the discussions are mainly focused on the synthesis of yag powders by co - precipitation method, self - propagating high - temperature synthesis and mixed method, powder ' s property, etc. in the co - precipitation method, the precursor was produced by adding a mixed a1 ( no3 ) 3 and y ( no3 ) 3 solution to nh4hco3 solution. yag can be obtained by heating the precursor at looo ' c for 5 hours without the formation of yam and yap transition phase
釔鋁石榴石（ y _ 3al _ 5o _ 12 ，簡稱yag ）是一種重要的激光基質材料，同時它還作為高溫材料和熒光材料得到了廣泛的應用，本文主要討論了化學共沉法、燃燒法制備yag的超微粉的工藝，並對yag超微粉的性能及物相進行了分析；採用固相合成法制備了ca ， ca ： yag系列陶瓷，並對其結構和性能進行了討論。 -
At last the quantified adhesion force is given by a simplified formula. 2. temperature field is the key factor affecting the process of laser material processing
從激光與材料相互作用的理論出發，建立了激光乾式和濕式清洗的激光加熱模型，並利用數字方法模擬了清洗中溫度場的動態分佈。 -
The research for the absorptance of materials is significant to the development of laser material processing. the measurement method is the foundation of the absorptance research. in this paper the lumped method based on heat transfer is established for the absorptance of laser, and the measuring apparatus is also built up. as examples, the absorptance of laser is measured for several ordinary engineering materials
材料對激光吸收的研究工作對激光加工的發展有著非常重要的意義.而吸收率測量方法的研究是材料對激光吸收研究工作的基礎.從量熱的角度出發，利用傳熱學中的集總參數法建立了測量吸收率的方法，設計了相應的試驗裝置，並測量了幾種常用工程材料對激光的吸收率 -
The terms and definitions of solid - state laser material
固體激光材料名詞術語 -
Fiber optic transmission of high power laser beam has opened a new dimension for laser material processing. the nd : yag laser in combination with the optical fiber increases the automation and the flexibility of laser processing
光纖傳輸大功率激光為激光材料加工開辟了一個新天地，大功率nd ： yag與光纖傳輸系統的組合提高了激光加工的自動化和柔性。 -
The flat - tapped beam has a uniform transversal profile in the near field and a bell - shape profile in the far field. the study of such a type of beam is of practical interest in laser material processing and inertial confinement fusion ( icf )
平頂分佈光束具有近場分佈均勻，遠場能量呈鐘形分佈的特點，在激光材料加工和慣性約束聚變等應用中常需要這種類型的光束，所以研究平頂分佈光束的傳輸具有重要的實用價值。 -
As a new solid laser material in recent years, cr4 + : yag crystal has super advantages, such as big absorption cross section, stable saturable absorption, good heat - conducting and mechanical performance
Cr ~ （ 4 + ） yag晶體作為近年來人們發現的新型固體激光材料，具有吸收截面大、可飽和吸收穩定性好、熱傳導性和機械性能良好等優點。 -
In addition, this paper has analyzed and calculated the wave - guide mode theory, got the quantum well laser photic - field distribution ' s fluctuation equation, deduced the far - field distribution ' s mathematics model by the method of stepwise approached, and simulated the near - field and far - field about the laser with computer software. we utilized a pair of mode expand layers which can restricted in photic - field to narrowed the far - field comer about quantum well laser material structure ( the corner was about 21 ?
另外本文還對光波導模式理論進行了理論分析和計算，得到了量子阱激光器光場分佈的波動方程，利用逐步逼近的方法推導出了遠場分佈的數值模型，通過計算機軟體模擬出了激光器遠近場分布圖，並利用模式擴展層對光場的限製作用得到了窄遠場發散角（約為21 ）的量子阱激光器材料結構。 -
Q - spoil laser material q
突變激光器材料 -
In recent years, high power laser diode array has been widely applied in many application fields such as pump solid laser, material processing and laser medical exposure, however, because of the bad performance of its output beam, which affects its direct application, thus make it a hot view which people pay much attention on how to transform the beam of the high efficient laser diode array, institutions internal and abroad have been doing much research on the problem
近年來，大功率半導體激光器列陣被廣泛用於泵浦固體激光器?材料加工及激光醫療等應用領域中，但由於其輸出光束的質量不好，影響了它的直接應用，因此大功率半導體激光器列陣的光束整形成了人們關注的一個熱點問題，國內外的研究機構對此進行了大量的研究
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