激光液晶 的英文怎麼說

中文拼音 [jīguāngyèjīng]
激光液晶 英文
laser-activated liquid crystal cells
  • 激 : 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...
  • 光 : 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） ...
  • 液 : 名詞（液體） liquid; fluid; juice
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 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; ...
  • 液晶 : [物理學] liquid crystal; mesomorphic phase; mesomorphous phase
  1. Based the eag - i etchant, a new etchant was developed, with which the etch pit pattern on ( 110 ), ( 111 ) and ( 100 ) faces of czt crystals can emerge immediately and effectually. this pager investigated relation between the ( 110 ) faces of cutting from crystals conveniently and accurately by laser reflex method. by the surface treatment, the nuclear radiation detector was fabricated with ( 110 ) of czt crystal and strong 241am responsibility was observed

    在改變e _ （ ag ）腐蝕液的配方的基礎上，研製了新的腐蝕液，可方便、快速、有效的顯示czt不同晶面的缺陷蝕坑形貌;研究了利用激光正反射法和自然解理的不同（ 110 ）面之間的關系，方便、快速、準確的進行定向切割晶體的方法;採用生長的czt單晶體自然解理的（ 110 ）面，經過表面處理，試制了探測器元件，對24lam有較強的響應。
  2. 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激光器的發展狀況、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激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、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激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光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激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器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激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光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，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。
  4. Compared with the conventional chemical etching, laser assisted wet chemical etching can eliminate the effect of crystal orientation efficiently and fabricate more diversified etched pattern ; compared with the laser assisted gas chemical etching, the required condition for laser wet etching can be realized more easily and the operation can be simplified ; compared with the ion etching, it has advantages of no ion damage to substrate, avoiding over - etching and cost - effective

    半導體的激光誘導液相腐蝕與普通化學腐蝕相比，可以有效地消除晶體取向影響，製作出更加多樣化的腐蝕圖形;與激光誘導氣相腐蝕相比，其工藝條件更加容易實現，操作更加簡單;與干法離子刻蝕相比，對基片無離子損傷，過度腐蝕容易控制，成本低。
  5. Lcd projector dlp projector, crt projector, and lasers projector display are primary projector display methods now, each methods is discussed particularly, characteristic of each methods is analyzed detailed

    投影顯示中包括液晶投影儀， dmd投影儀， crt投影儀，激光投影顯示等，並詳細介紹了現有激光顯示的幾種方式，重點分析了這些顯示方式的特點。
  6. The subject mainly studies the splitting phenomena of laser longitudinal mode and the transmitted resonant mode of fabry - perot etalon using electrically controlled birefringence of liquid crystal, so as to find a new approach to obtain the dual - frequency laser output

    本論文主要研究利用液晶的電控雙折射效應分裂nd ： yag激光縱模和f - p標準具諧振模，以尋求產生雙頻激光輸出的新途徑。
  7. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  8. J. b. wang and g. w. yang, phase transformation between diamond and graphite in preparation of diamonds by pulsed - laser induced liquid - solid interface reaction, j. phys. : condensed matter 11 ( 37 ), 7089 ( 1999 )

    王金斌，楊國偉，脈沖激光誘導液-固界面反應合成金剛石納米晶中的結構相變模型，高壓物理學報， 13 ， 147 （ 1999 ）
  9. In this paper we demonstrated a new field - controllable liquid - crystal phase grating which to used in orientation detecting and automatic tracking and aiming in space communication

    本文提出了利用一種新的液晶器件對空間光通信中對激光源進行方位探測和自動跟瞄，即液晶電控光柵。
  10. Feasibility study of liquid crystal light valve on beam - shaping

    反射式液晶光閥用於激光束空間整形可行性研究
  11. The control of the spatial mid frequency wavefront distortion was achieved based on our cri wavefront sensing and lctv wavefront correcting system. the results of our research show that crs interferometer can be used to diagnosing the mid and low frequency wavefront distortion of a laser beam and lcslm can be used to availably controlled it

    通過以上研究，說明我們建立的環路徑向剪切干涉儀可以用於icf激光驅動器的中低段波前畸變的檢測，並且液晶空間光調制器可用於它的前級中存在的中頻段波前畸變的校正。
  12. So the manufacturing of liquid pool by lasers is studied in this work

    針對這一難題，本文採用激光加工技術對晶元儲液池的加工制備進行研究。
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