簡並激光器 的英文怎麼說

中文拼音 [jiǎnbàngguāng]
簡並激光器 英文
degenerate laser
  • : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
  • : 併名詞1. (山西太原的別稱) another name for taiyuan (in shanxi province)2. (姓氏) a surname
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : 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) ...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 簡並 : [物理學] degeneracy; degeneration; degenerate
  • 激光器 : [光學] (光激射器) laser (縮自 light amplification by stimulated emission of radiation); optic...
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  1. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag的閾值、輸出功率和斜效率的表達式,述了的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag的設計方法,給出了一定泵浦耦合方式下,振蕩模尺寸、最佳輸出耦合率、泵浦模尺寸、泵浦焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag和透鏡組耦合高功率ld泵浦nd : yag,對的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag腔內插入一隻空液晶盒,觀察到了以單縱模運轉;最後,根據泵浦焦斑端面位置對輸出功率的影響規律,提出了ld端面泵浦nd : yag位移傳感新方法,進行了理論和實驗研究,研究結果表明:當晶體內泵浦平均斑半徑遠小於振西安理工大學碩士學位論文蕩束腰半徑時,輸出功率的自然指數與泵浦焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,位移傳感的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  2. At first, the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief. then, the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision. at last, the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing

    文章首先要地分析了自身漂移、大氣湍流等影響準直精度的主要因素,然後對系統的準直方案進行論證,確定了無衍射束的生成方案、高精度自動安平系統的結構方案,最後以ccd為接收件,通過計算機圖像處理,完成對軌道直線性的測量。
  3. 3. the thermal - mechanical and lasering properties of cr * : lisaf crystal were carefully studied. especially the up - conversion and the esa effect. all of these were given fully considered when design the three - mirror folded cavity tunable lisaf laser which was pumped by a accousto - optical active q - switched nd : yvo4 lbo intra - cavity frequency doubling 671nm laser

    在對cr ~ ( 3 - ) : lisaf晶體的熱機械特性和特性詳細研究的基礎上,通過對折疊腔理論進行要介紹由穩區計算,設計了三鏡折疊腔可調諧cr ~ ( 3 - ) : lisaf
  4. Secondly, we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity. as a result, simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature. this device has advantageous of simple design fabrication and low cost et al

    進一步,我們設計了一種新穎的多波長摻鉺纖環形,這種是利用mach - zenhder ( m - z )纖型干涉儀作為梳狀濾波且與復合腔共同選頻,獲得了窄線寬、等間隔的多波長同時輸出,這種具有在常溫工作,結構單,成本低等優點。
  5. We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa

    2 .利用雙折射纖環鏡設計製作了一個結構單的可調諧纖衰減,具有靈敏度高,偏振無關,低插入損耗和低成本等特性。實驗證明它可以很方便的控制功率。 3 .提出了一種由布拉格柵和高雙折射纖環鏡共同構成波長選擇件的摻鉺
  6. In this paper, we summarize the present testing status of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, and curtly introduce the method and principle for interference fringe processing

    本文對目前國內外的學非球面的測量現狀作了概略的敘述,給出了波長掃描干涉測試方法的原理,對波長可調諧的源進行了分析,對波長的變化進行了研究,對實驗裝置進行了初步的設計,對干涉條紋圖處理的方法和原理進行了單的介紹。
  7. After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors

    本文主要研究聚對苯乙炔( ppv )薄膜發二極體發效率及主要影響因素,單地介紹了ppv薄膜發二極體的研究背景及發展趨勢、 ppv件的結構和性質后,提出了一個計算件發效率理論模型,利用這個理論模型得出了發效率公式的表達式:對注入電流、復合效率等進行了數值計算,通過合理地選擇計算參數,發現計算值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范圍內與實驗結果較好地符合,在此基礎上,對發效率進行了數值計算和理論分析,結果表明:計算結果與理論研究結果相符較好,得出結論如下: ( 1 )本文的理論推導正確地反映了件中載流子的注入、傳輸和復合等基本機制; ( 2 ) ppv薄膜中的電致發子復合的結果,發效率受多種因素影響。
  8. The principle of double cladding fiber laser is analyzed, simply illustrated the principle and drawbacks of noncoherent beam combination, the coherent beam combination method of multiple optical power amplifier and its advantages are discussed in detail

    分析了雙包層的工作原理,單介紹了非相干組束的原理和缺陷,重點闡述了聯主振蕩相干組束方法及相干組束的優勢。
  9. In this paper, the composition of surgical instrument is described, and the laser control including the communication between computer and laser device, laser pulse on - off control and gas exchange are detailed

    本文述了一準分子眼科治療機的整體組成部分,詳細描述了的控制部分:計算機與的通信控制、發射停止控制、充換氣流程式控制制。
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