激光加速器 的英文怎麼說
中文拼音 [jīguāngjiāsùqì]
激光加速器
英文
laser accelerator- 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) ...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 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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Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally
因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動,國際上高功率二極體泵浦固體激光器( dpsl )的研究進展迅速,作為dpsl的一個重要應用,內腔倍頻一直得到大家的重視,但仍有許多未徹底解決的問題和理論上的不完備之處,本論文擬對其中的一些問題作一初步的理論和實驗研究。Ultrashort pulse amplification, including chirped pulse amplification ( cpa ) and optical parametric chirped pulse amplification ( opcpa ), has been becoming one of the hot researches in the field of ultrashort pulse laser technology because ultrashort and ultrahigh intensity pulse laser has important applications in high field physics, such as x - ray laser, icf, laboratory astrophysics, laser particle accelerator, and so on
由於超短超強脈沖激光在x射線激光、慣性約束核聚變、實驗天體物理、激光粒子加速器等強場物理研究領域內的重要應用,超短脈沖激光放大技術目前已成為超短脈沖激光技術研究的熱點之一。它包括啁啾脈沖放大( cpa )和光參量啁啾脈沖放大( opcpa )兩大類。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 。Decign for 2d acceleration laser sensor
二維加速度激光傳感器的設計Along with the improvement of rlg and accelerometer and the coming forth of high speed digital processor, the key technique of sins is carried out
隨著激光陀螺和加速度計性能的不斷提高,以及高速數字處理器的不斷涌現,捷聯慣導系統實現的技術關鍵已經實現。By the line s - h sensor mentioned in chapter 3, measurements have been made to a beam path heated by hf laser. by a high speed interferometer, tomographic measurement was made on a air column heated by electric powered wire
用第三章設計的線陣s - h傳感器對hf激光加熱光路進行了測量研究,在此基礎上,用高速干涉儀對電熱絲加熱的空氣柱進行了模擬層析測量研究。Adopting the amendatory rate equation, the threshold of the micro - cavity has been studied and the conclusion is shown as following : if there is not non - radiation transition, the pump velocity just need to compensate the photon velocity escaped from the cavity, and the intensity of output light will direct ratio to the intensity of input light then we got a micro - cavity laser with no threshold
採用修正的速率方程對微腔激光器的閾值進行研究,得到如下結論:在沒有無輻射躍遷時,激光器的泵浦速率只需恰好補償光子向腔外的逃逸速率,輸出光強隨著輸入泵浦光強性線增加,實現所謂的「無閾值」激光器。Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology
半導體激光泵浦的固體激光器由於兼有了激光二極體和固體激光器的雙重優點,近年來得到迅速發展,並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求,並且綜合運用了當前在智能儀表、機電一體化產品、自動控制系統中應用廣泛的單片機數字化自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術,研製了脈沖半導體激光電源。On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values
本文首先從速率方程理論出發,利用解析的方法推導出摻鉺光纖激光器輸出特性參數與摻鉺光纖和耦合器參數之間的定量關系, (如,激光輸出功率、波長與摻鉺光纖的長度、摻雜濃度、耦合器耦合比及腔的損耗等參數之間的關系) ;並從實驗上加以分析討論,實驗結論與理論值相吻合;利用改變耦合器的耦合比獲得了幾個nm的波長調諧。With nanjing electronic information, electromechanical integration, and precision machinery, new home appliances, spare parts processing, and numerically controlled machine tools and cnc systems, motor vehicles and accessories, die manufacturing and shipbuilding industries, and special transmission equipment, aerospace, high - performance intelligent instrumentation and sensors, laser application, machinery manufacturing, and other pillar industries in the rapid development of nanjing bearings, fasteners, springs and other important infrastructure components consumption will be a great space for growth. for a considerable period of time will remain the most potential domestic consumer market
隨著南京電子信息機電一體化及精密機械新型家電零部件加工數控機床和數控系統汽車及汽車配件模具製造業造船工業特種傳輸設備航空航天高性能智能化儀器儀表及傳感器激光應用機械製造等支柱產業的快速發展,南京軸承緊固件彈簧等重要基礎元件消費量還將有巨大的增長空間,在今後相當一段時間內仍將是國內最具潛力消費市場!It is equipped with 120w radio frequency laser producer and cti dynamic focusing, so there is smaller light point, and larger tange of marking. besides, its forceful laser power and unparalleled processing speed makes a accurate and vivid effect possible. it costs low and need no materials. the degree of the clearness and depth of marking can be controlled freely
該機選配美國進口120w射頻激光器cti動態聚焦,光點尺寸更小打標范圍更大,加上強悍有力的激光功率,無與倫比的加工速度,實現了精確逼真的加工效果,加要成本低廉,無需耗材,標記清晰深淺度隨意控制,適用於多種你想加工的非金屬產品。By using these mode - locking devices on novel thin - disk solid state lasers and optically pumped vertical - external - cavity surface - emitting semiconductor lasers ( opsvf. csel ) to obtain high average output power ultrashort pulses are stated, and it is emphasized that the study of high average output power ultrashort pulses laser can be accelerated greatly by using the quantum dot sesam
綜述了利用半導體可飽和吸收鏡被動鎖模薄片式固態激光器及光泵浦垂直外腔面發射半導體激光器,獲得高平均輸出功率超短脈沖的最新進展,並指出量子點半導體可飽和吸收鏡的使用將加速超短高功率脈沖的發展。Since it requires to integrate optical detector, optical amplifier, optical transmitter, drive and various warning and monitoring control circuits within a small area, however, the difficulty increase correspondingly. with data rate up to 1. 25ghz, it is necessary to consider a serial problems of signal integrity
然而,其技術實現難度也相應加大,要在很小的面積上集成光檢測器、放大器、激光器、驅動器以及各種告警、監測控制信號電路,而且數據傳輸的速率達到1 . 25gb s ,就必須考慮信號完整性問題的系列問題。Development for semiconductor laser accelerating lifetime testing system
半導體激光器加速壽命測試系統研製分享友人