激光諧振腔 的英文怎麼說
中文拼音 [jīguāngxiézhènqiāng]
激光諧振腔
英文
laser resonator- 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) ...
- 諧 : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 腔 : 名詞1. (動物體內空的部分) cavity; chamber 2. (話) speech 3. (樂曲的調子) tune; pitch 4. (說話的腔調) accent; tone
- 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; ...
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To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design
為減少打標畸變,採用垂直二維振鏡分佈, f物鏡聚焦,將激光束經第二個振鏡反射後到加工平面的距離為焦距f ,為了避免打標時間過長,溫度過高破壞諧振腔,在設計中加上冷卻系統和自我保護裝置。The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space
環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器,它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。It is discoverde that with a looped feedback circuit, the dds acousto - optic mode locking has the function of tracking the frequency interval of the laser resonator longitudinal mode, and stabilizing the quality of the laser beams
Dds聲光鎖模器在增加閉環反饋環路后,可以跟蹤激光諧振腔縱模頻率間隔變化,穩定激光光束輸出質量。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity
首先,我們對增益介質的性質和非線性晶體bbo和lbo的一些性質進行了比較,選取nd : yag作為增益介質, lbo作為倍頻晶體。理論上分析了激光器設計中的一些參數值,如增益介質長度、模式交疊率、最佳倍頻條件,並根據理論分析結果設計了諧振腔。With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth
隨著激光技術的發展,諧振腔由於其腔內損耗小、精細度高、線寬窄等特點,使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。On describing a genetic algorithm ( ga ), we present a method for applying ga to optimize the lasers. a programming is presented for obtaining the maximum laser power. by using the method we optimize the cvl and the co2 laser, including lc circuit parameters of the cvl, the cvl system, the lasing resonator and the gas components mixtured in the co2 laser tube
在這個部分中,首先簡述了遺傳演算法,討論了應用遺傳演算法來優化激光器的思想和方法,給出了優化大功率激光器的計算機程序設計;然後,對銅蒸汽激光器lc放電電路、大口徑激光器和激光器系統分別進行了優化;對二氧化碳激光器諧振腔和氣壓參量分別進行了優化,介紹了優化二氧化碳激光器諧振腔的實驗以及實驗所獲得的結果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。The laser's basic structure, also called the resonant cavity, is essentially a long tube with mirrors at each end.
激光器的基本結構(也稱為諧振腔)實質上是一根兩端都有反射鏡的長管。Cylindrical laser cavity
圓柱形激光諧振腔Polarization characteristics of laser beam, which is one of the important characteristics of high power laser, have a direct effect on output power, damage threshold of optical elements and beam quality etc. the polarization characteristics in the high power coil resonator is analyzed by jones calculus, and draw a conclusion that, in general the eigen - polarization state is elliptical polarization
激光光束的偏振特性是高功率激光器的一個重要特性之一,直接影響著高功率激光器的輸出功率、腔內光學元件的損傷以及光束質量等。本文首先利用瓊斯矩陣演算法對高功率氧碘激光器腔內的偏振特性進行了分析,並得出結論,諧振腔內的本徵振蕩一般為橢圓偏振。Laser - induced deformations of unstable resonator mirrors of high power laser result in some aberrations of resonator parameter, which distort laser modes and degrade beam quality
高功率激光器中,非穩腔鏡受激光直接輻照,鏡面發生變形,使諧振腔參數偏離設計值,模式發生畸變,光束質量變壞。The research of this paper is based upon miniaturization and digitalization of the peripheral control circuit. in this paper, associate with resonant cavity of mdrlg, mathematical models of control circuits are built, control characteristic, electromagnetic interference and electromagnetic compatibility are analyzed in detail, a part of the circuit is optimized
論文在激光陀螺控制電路小型化、數字化的基礎上,結合激光陀螺諧振腔體建立了控制電路的數學模型,對控制電路的控制特性、電磁干擾和電磁兼容性作了詳細的分析,對部分電路進行了優化設計。The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well
對產生946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光器的提供了理論基礎,這種分析方法對研究此類低增益,準三能級或三能級激光系統輸出特性有借鑒意義。We use the laser output ( 320 nm, 200 fs ) of optical parametric amplifier ( opa ) in < wp = 5 > an active passive mode - locked femtosecond ti - sapphire laser operating at a repetition rate of 1khz as a exciting resource to develop optically pumped stimulated emission of zno thin films. when rectangular stripe laser irradiates thin films, optical resonant cavity is naturally formed between two nanocrystallites along with the rectangular laser stripe and planar weveguide confines the light scattering
利用飛秒激光器作為光泵浦激發光源,研究了氧化鋅薄膜的光泵浦受激發射,當條形光斑輻照薄膜樣品時,將沿著光斑條由氧化鋅納米晶面自然地形成光學諧振腔,由於平面介質波導結構限制光散射,所以成功地觀測到二氧化硅襯底上的納米氧化鋅( zno )薄膜的紫外受激發射。If a nd : yag laser runs at high pump power, laser resonator will generate multimode beam due to thermal lens of active rod. the higher pump power is, the bigger divergence occurs and the smaller rayleigh range is
當nd : yag激光器工作在高泵浦功率下時,由於nd : yag激光器工作物質的熱透鏡效應導致了諧振腔輸出多模激光,隨著泵浦功率的升高激光光束發散角增大,焦深減小。The compensator compensates the change of polarized light, and also controls the polarized orientation. in result, we get a cavity, with the orientations of the linear polarized multi - longitudinal modes are agree. the noise of green output reducing, the cavity is steady with multi - longitudinal modes operating
本文首次將nd : yvo _ 4晶體應用於抑制激光噪聲的補償片法中,利用nd : yvo _ 4晶體的線偏振特性,控制諧振腔內激光束的偏振方向,使多縱模均為線偏振,且偏振方向一致,從而減少了綠光輸出中的波動現象。Three parts ( 6 chapters ) are included in this dissertation except the 1 st and 6th chapters. the first part ( the 2nd, 3rd and 4th chapters ) is the theory for analyzing and designing resonators with diffraction optical elements by use of a matrix eigenvalue method. the eigen modes and diffraction loss for a laser cavity have been obtained by this method
本論文主要包括三個部分共八章,除第一章緒論和第八章總結外,主要內容如下:第一部分(第二、三、四章)主要討論和分析了決定激光光束的輸出特性和光束參量的激光諧振腔,闡述和建立了矩陣本徵值方法分析和設計激光諧振腔的系統理論。The main work of this dissertation focuses on the analysis and design theory for a resonator with diffraction optical elements by using a matrix eigenvalue method. the principle and method how to realize a low diffraction beam have been described. both the experimental and theoretical results show that the low diffraction beam has great advantages over the gaussian beam in an ablation - dominated material removal processes
本文的重點是:闡述了利用矩陣本徵值方法分析和設計激光諧振腔的系統理論;簡述了產生和實現低衍射光束的原理和方法,實驗發現了低衍射光束比高斯光束所具有的獨特性能;理論設計和研製了衍射光學元件,並通過實驗獲得空心激光光束,提出了對不同空心光束的描述方法。The hollow optical beams have been analyzed theoretically, and have been realized experimentally by placing a diffraction optical element in the cavity
在理論上對空心光束進行了分析,並研製了能產生空心光束的衍射光學元件,將其插入激光諧振腔內,實現了空心激光光束。分享友人