laser focus 中文意思是什麼
laser focus
解釋
激光焦點-
If it is focused. so the boiloff and cautery of focus tissue can be used in the therapy. also if it isn t focused, the laser radiating focus tissue can bring about concretion effect
激光治療儀的發散角極小，能量密度高，經聚焦后，可達每平方厘米幾千瓦的功率， co2激光治療儀可用於對病灶組織的汽化，燒灼或切割病灶組織，所以co2激光治療儀也稱謂激光刀。 -
Meanwhile, solid immersion lens is also applied to focus femtosecond laser pulse in three - dimensional optical data storage
分析和闡述了固體浸沒透鏡應用於飛秒脈沖激光三維光存儲系統中的可行性及優點。 -
In conclusion, solid immersion lens, which is feasible to focus femtosecond laser pulse in three - dimensional optical data storage, shows the rather potential to increase the volumetric density
總之，用固體浸沒透鏡在透明介質中進行飛秒激光三維存儲是可行的、且其在提高體存儲密度方面有較大的發展潛力。 -
At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known
最後，對全文進行了總結，並指出今後研究工作重點。指出：瞬時得到各方向的投影是此技術實用化關鍵；在獲得溫度分佈信息基礎上，進行必要的假設和推導，能同時得到火焰中某特定組分濃度的分佈，這必將進一步我們對燃燒本質的理解；利用方向性好，輻射強度高的激光源代替常規的黑體爐，能得到輻射干涉投影圖像，這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。 -
Out of question, the chirp pulse amplification technology that generate ultrashort and ultrahigh laser pulse has become a focus in research field. fortunately, the project " the research on shorter than 30fs, terawatt level ' s laser system " we undertake is about cpa system
我們所進行的國家攀登計劃「九五」預選項目「強場激光物理與飛秒超快過程的研究」 （ 95 ? ?預? ? 20 ）中的子課題： 「 30fs以下tw級激光系統的研究」 ，正是致力於飛秒cpa系統的研究。 -
In recent years, the study on double - clad fiber laser has became a focus
近年來，雙包層光纖激光器成為激光技術領域的一個研究熱點。 -
A co2 laser with the optimized resonator is made and to be proved by experiments. this dissertation focus on the following problems : the kinetics process of the cvl and the co2 laser, the rate equations for the laser level population, electron temperature and electron density
本文的重點是：闡述清楚銅蒸汽激光和二氧化碳激光的動力學過程，定量描述激光能級的粒子數速率方程、電子溫度和電子密度等速率方程 -
So, knbo3 is found to be one of the most important crystals for the generation of blue light research on the generation of blue lasers has become a focus because of its important applications and potential commercial value in many fields, such as high - density optical storage, numeric video - frequency technique, color - laser vision, laser typography, laser medicine and material science and so on
而此藍光激光源在激光製冷、高密度光儲存、數字視頻技術、彩色激光顯示及激光印刷術、激光醫學、材料科學等許多領域都有著重要應用和潛在市場，所以對藍光激光源的研究也越來越廣泛和深入。 -
After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice
之後測量了雲南天文臺激光的橫向能量分佈，根據相關定義確定了這束非高斯非球面激光的參數，應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化，並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ，研製出光劈解決這一問題，取得了很好的效果。 -
So qpm enlarge the application range of the crystal in existence. presently diode pumped all - solid - state lasers have been developing quickly, which provides an ideal pump source for qpm. so lower power all - solid - state laser frequency conversion by qpm has been becoming a research focus
近年來，隨著激光二極體（ ld ）技術的發展，小功率全固態激光器已經十分成熟，為準相位匹配提供了優質的泵源，因此，小功率全固態激光器的準相位匹配頻率變換成為目前的一個研究熱點。 -
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。 -
All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser
激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點，特別是採用環行諧振腔內加光學單向器構成的單頻激光器，由於頻率穩定，使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍，綠，紅外激光器進行了一系列實驗研究工作。 -
Adjustable focus laser diode modules
可調焦系列激光器 -
Imaging formula and object - image scale formula of laser beam transferred by focus lens are deduced according to the abcd law of matrix optics, and the factors that effect on beam focus properties are analyzed based on these two formulas
根據矩陣光學變換的abcd定律，推導出激光束經過單聚焦鏡變換后的成像公式和物像比例公式，並在此基礎上討論光束質量和聚焦系統特性對光束聚焦性能的影響。 -
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。 -
3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題，提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡，對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦，直接實現和光纖耦合，來代替聚焦透鏡和光纖耦合的環節。 -
Abstract ： as a research focus on laser processing and advanced manufacturing technique, laser remanufacturing technique has been investigated recent years
摘要：激光再製造技術近年來在國內外受到普遍關注，形成激光加工與先進製造技術一個前沿和熱點，已在國內外得到重要的工業應用。 -
It adopts 60w radio frequency laser producer and cti mirror system imported from america. the electric scissor lift table realizes precise control of focus. infrared ray - demonstrating aiming device can position the marked object more conveniently. it is a comparatively high - quality marking machine, characterized by its high efficiency and convenience, zero materials, zero pollution, and zero poison. applied fields : marking of many non - metal materials, such as cloth, leather, acrylics, wood, paper, pacage of food, electronics, and medicine, etc
該機使用美國進口60w射頻激光器和cti振鏡系統，電動升降平臺平實現焦距精確控制，用紅光指示結準器，更方便打標對象的定位，具有高效便捷無需耗材，無毒無污染等特點，是一款性價比較高的標記設備。 -
286 laser focus world
激光焦點世界 -
Laser focus world
激光焦點世界
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