q-switch 中文意思是什麼
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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。 -
Q - switch ruby laser q
開關紅寶石激光器 -
Particularly, cr4 + - doped crystals as passive q - switch ( saturable absorber ) have got extensive attention, such as cr4 + : yag ， cr4 + : gsgg ， cr4 + : mg2sio4 and cr4 + : yso, which have the advantages of wild absorption band, good saturable absorption, long restored time, good photo - chemical stability, no fading, good thermal conductivity and high damage threshold
特別是近年來，摻cr4 +離子的各種晶體如cr4 + : yag ， cr4 + : gsgg ， cr4 + : mg2sio4和cr4 + : yso等作為被動調q開關受到了廣泛的關注。它們具有很寬的吸收帶和良好的飽和吸收性質，恢復時間較長，光化學性質穩定，無退化現象，熱導性好，損傷閾值高。 -
According to the theory of acousto - optic ( ao ) interaction, the formulas of diffraction loss of two ao q - switches, which acousto - field are perpendicular or parallel one another, the power divider for ensuring two ao q - switch synchronization and effective power driving is designed. the calculation results are satisfied with nd : yag laser experimental results. it is show that two ao q - switches, which acousto - field are perpendicular each other, switch - loss is nearly one times larger than one ao q - switch, one of third larger than the two ao q - switches which acousto - field are parallel
從理論上對聲光器件衍射損耗作了分析與計算，研究了二維雙聲光器件對提高衍射損耗效率的影響，在實驗中採用二維雙聲光組合器件提高聲光器件的對nd ： yag激光器的關斷能力，較之單聲光的關斷能力提高了一倍左右，而對于平行雙聲光也提高了30左右，並設計了聲光驅動功率分配器以驅動雙聲光器件達到同步，消除了激光輸出的多脈沖現象，提高了脈沖列的輸出功率。 -
The nonuseful loss of cavity were got by measuring the threshold of laser under the different output mirrors. the loss was caused by prague angle unmatching. 3. the pulse train with minor pulse width 22ns and frequency 23khz, peak power 3. 5kw were obtained in cr4 " : yag passively q - switch experience. the stability of pulse is 6 %
（ 3 ）實現了在大功率泵浦、無水冷的情況下cr ~ （ 4 + ） : yag飽和吸收體被動調q ，得到了最小脈寬為22ns 、重復頻率為23khz 、峰值功率為3 . 5kw的激光脈沖輸出，脈沖的穩定性為6 。 -
Hep - yr50 laser trimming resistor machine is designed with a particular all - in - one structure based on absorbing advantages from other similar trimming machines, and provided with two high - speed galvanometer scanners, an advanced laser power, an advanced q - switch and a special measuring resistor unit
激光調阻機是利用激光工藝對薄膜或厚膜電阻進行精密調節的關鍵設備，可用於生產手提電話、尋呼機、筆記本電腦等電器的薄膜或厚膜電阻。 -
Q : your forthcoming switch to mclaren caused some big waves in the paddock. what was so tempting about the move
問：你即將轉會邁凱輪引起了維修區中的一些大騷動。關于轉會，什麼是最具吸引力的？ -
With the joint action of the q - switched pulse laser of 532nm and continuous probe light of different wavelengths, fast photoresponse characteristic of photocycle of a wild - type br film ( wt3 ) and photoabsorption characteristic of different intermediary in the photocycle are analyzed and discussed. the optical switch action in the microsecond scale is observed in the experiment
在532nm的調q脈沖激發光和不同波長的連續探測光作用下，分析和研究了野生型的細菌視紫紅質（ wt3 ）膜的光循環過程中的快速響應特性及各中間態的快速光吸收特性，得到了微秒級的快速光開關結果。 -
With double - frequency technique and q switch technique the laser delivers a laser pulse of 532 - nm in wavelength, 5 - ns in pulse width, 35 - mj in energy and 2 - cm in coherent length
所用激光器為nd : yag脈沖激光器，採用了調q和二倍頻技術，波長為0 . 532 、脈沖寬度為7ns 、相干長度為2cm ，能量為35mj 。 -
Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。 -
It has shown a good agreement with the theoretical results and proved that the appropriate combination of two passive q - switch could enhance stability of the laser
進一步的實驗表明，這種激光器在輸出特性上比一般的sbsyag激光器穩定性更高。 -
Q : my first question is if hbv nucleoside analogues happened with the resistance there, then the solution is to add - on other nucleoside drugs for combination therapy, or switch another nucleoside drugs
《國際肝病》 ：乙肝用核苷類似物出現耐藥后，是加用其他核苷類藥物，還是轉換另外一種核苷類藥物？ -
We have researched the theory and experiment on q - switch lasers based on high power diode end - pumped nd : yag crystal to suit the requirement of photoelectric resisting
我們針對光電對抗的應用要求對大功率ld泵浦的調qnd : yag激光器進行了相當深入的研究。 -
2. a theoretical analysis and numerical simulation considering pumping beam waist, q - switch, cavity design are presented. combine with the theoretical analysis and the request of fundamental wave, the appropriate cavity and q - switch are chosen
2 .從諧振腔設計理論及調q技術進行分析，討論了ld泵浦固體激光器的輸入輸出特性及影響閾值的主要因素;結合理論和我們下面工作的要求，選擇合適的腔形及調q方式。 -
Operational signal has two kinds : one is analog quantity output of direct reverse action also called q type manipulator ; the other is direct reverse revolution switch quantity output also called d type manipulator, shown as the following block figure,
輸入埠具備萬能信號輸入功能，只需通過儀表菜單的簡單選定，即可實現不同類型輸入信號各種熱電偶熱電阻標準電壓標準電流信號之間的輕松切換，提高了低度表的通用性和可靠性。 -
The laser power and q - switch driver developed by itself have reached international advanced level, and the marking software is always keep advanced with its strong function and easy operation
公司自主開發的激光電源， q驅動器已達國際先進水平，自主開發的打標軟體功能強大，操作簡單，在國內一直處于領先地位。 -
At first, according to the fundamental q - switch equation, we analyze the q - switch system, including active q - switch and passively q - switch. we have derived simple analytic expression for all of the parameters of optimally coupled laser by using the mathematical technique of lagrange multipliers
首先我們從速率方程出發對調q激光器的理論進行了分析研究，建立了主動調q和被動調q的理論和q參數的優化設計，並對聲光調q以及被動飽和調q的特性和模型進行了優化。 -
The main content is following : ( 1 ) in theory and practice, the q - switch ? fiber m - z interferometer is researched, observed the interferometer spectrum of fiber m - z interferometer, proving that fiber m - z interferometer is a kind of comb filter
本論文的主要內容有: （ 1 ）對光纖光柵激光器的q開關- -光纖m - z干涉儀的從理論和實驗兩個方面進行了研究。 -
Diode - pumped q - switch solid - state lasers have many advantage such as high efficiency, compactness, high stability, and long lifetime. high peak power, high repetition rate short - pulse can be obtained by high power diode pumped, which is used comprehensively in the field such as measuring, remote sensing, photoelectric resisting, medical et
激光二極體（ laserdiode ，簡稱ld ）泵浦的調q固態激光器具有結構緊湊、穩定性好、壽命長等優點，用大功率ld作為泵浦源，可以獲得高重復頻率、大峰值功率的窄脈沖激光，這在激光測量、光電對抗、激光遙感、激光醫療等領域有著非常廣闊的應用前景。 -
As a member of expert group of science & trade company, cams & pumc, i also afforded the consultation on technical and clinical trial for the production of q - switch nd : yag laser
作為中國醫學科學院、中國協和醫科大學科貿公司專家組成員之一，為其q開關yag激光的生產提供技術及臨床咨詢。
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