laser element 中文意思是什麼
laser element
解釋
激光器單元-
Finite element analysis on thermal effect of heat capacity laser disk
片狀熱容激光器熱效應有限元分析 -
Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。 -
Based on an amplified spontaneous emission ( ase ) source, a ring - cavity fiber laser, in which sensor element acted as the reflector of the cavity, was achieved with high - signal noise ratio ( snr ) and high - power. it was demonstrated that the output power was maximum, when output coupler ratio of the coupler was seventy percent
實驗證實耦合器的輸出耦合比選為某一個最佳值70 ，當980nm泵光工作電流為50ma時，其輸出功率達3 . 5mw ，且輸出激光波長與作為反射鏡的光纖光柵中心波長相同。 -
The three dimensional temperature distribution of laser bonding with a gaussian thermal source is modeled using the finite element method
摘要在硅玻璃激光鍵合中，溫度場的分佈是影響晶片能否鍵合的關鍵因素。 -
After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice
之後測量了雲南天文臺激光的橫向能量分佈，根據相關定義確定了這束非高斯非球面激光的參數，應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化，並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ，研製出光劈解決這一問題，取得了很好的效果。 -
Then after analyzing the heat conduction in laser diode array, we simply simulate the transient thermal behavior of high power laser diode array and build a two dimensional static model of temperature distribution of it by fem ( finite element method )
接著分析激光器陣列中熱的傳導，簡單的模擬工作工程中瞬態溫度的變化。然後通過有限元分析法，建立二維溫態分佈，得到穩態工作時，大功率激光器陣列中晶元和載體的溫度的空間分佈。 -
This part of work involves several key problems as follows : - 1 ) coupling technology of laser source with the optical fiber ; 2 ) the construction of the sampling device and the selection of relevant parameters ; 3 ) the technical platform for the treatment and modification of fiber / capillary annular column sensing element ; 4 ) the selection of the size or parameters, design, machining and assembly of the sensing instruments ; 5 ) the construction of the multichannel detection system, the collection and processing of the digital signals and the exploiture of relevant software ; and so on
傳感裝置各部件尺寸或參數的選擇，設計、加工和組裝；一5多通道檢測系統的構造，數字信號的採集及軟體的開發；等等。根據我們的設想，我們研製出了基於通用和快速檢測的裸光纖模式濾光傳感裝置和基於多組分同時選擇性響應的修飾光纖模式濾光色譜傳感裝置。 -
This product adopts oem pressure transducer with stainless steel isolation diaphragm as signal measure element and automatic testing by the computer. using laser adjustment resistant technology carries on temperature compensation to zero point and sensibility in width temperature scope
該產品採用帶不銹鋼隔離膜片的oem壓力傳感器作為信號測量元件並經過計算機自動測試，用激光調阻工藝進行了寬溫度范圍的零點和靈敏度溫度補償。 -
Optical gains as large as one million are used to achieve the high sensitivities required in current electro - optical sensors. these large optical gains make the detector the most susceptible sensor element to laser damage. people concerns that the influence to the quality of ccd camera image under laser irradiation, the laser - induced threshold of ccd detector and the evaluation of laser - induced effects
光電探測器具有極強的目標探測能力，而激光具有極高的亮度；因而各類光電裝備的光電探測器成為國外發達國家正在大力發展激光武器系統的首要攻擊目標，激光對探測器的干擾與損傷程度如何、受干擾后能否繼續正常工作、何時達到損傷閾值以及如何對干擾效果做出客觀評價是人們非常關心的問題。 -
The transient temperature and thermal stress distribution in disk of heat capacity laser pumped by high power lda are simulated by use of finite element methods, optical distortions and birefringence were computed subsequently
摘要利用有限元數值方法，模擬計算了熱容模式下片狀激光介質的瞬態溫度分佈和熱應力分佈及其波前畸變和應力雙折射。 -
Based on a 3 - d transient thermal model with inhomogeneous heat generation, the temperature and thermal stress distribution in the disk of heat capacity laser pumped by high power laser diode array ( lda ) are simulated and analyzed by means of finite element methods
摘要為了研究激光介質熱畸變對固體熱容激光器的影響，數值計算了高功率激光二極體陣列抽運片狀激光介質的瞬態溫度場和熱應力分佈。 -
The temperature fields and the surface rayleigh waves generated by a pulsed laser in a thick al pipe are analysed by using a finite element method
摘要利用有限元方法數值模擬了脈沖激光作用於厚鋁管時產生的溫升以及由此溫升而產生的表面瑞利波的情況。 -
The transient temperature fields generated by a pulsed laser in hollow cylindrical film - substrate system are studied by using the finite element method, after considering the temperature dependence of the thermo - physical parameters of the materials
摘要基於材料的熱物理參數隨溫度的變化，用有限元方法對脈沖激光作用於薄膜基底式雙層管狀材料時產生的溫升進行了數值計算。 -
Firstly, optical trigonometry measurement principle and wok principle of linear ccd are introduced, which are based on to design optical focusing and imagery system with he - ne laser instrument as illuminant. secondly, peripheral circuit of linear ccd is designed in theory and experiment. finally non - contact thickness measurement instrument is constructed, using ccd as photoelectric transformation element and microprocessor as the controller
本文首先介紹了光學三角法測量原理，並對線陣ccd的工作原理進行了研究，以此為基礎採用氦氖激光器為光源，設計了光學聚焦及成像系統，對線陣ccd外圍電路的設計進行了理論設計和實驗研究，最後設計了以ccd為光電轉換元件，以微處理器為控制核心的非接觸式厚度測量儀及其系統。 -
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。 -
The guided mechanisms and some fundamental properties of microstructured optical fibers ( mofs ) are numerical investigated using the full - vectorial plane - wave expansion method and finite element method. moreover, the applications of active and passive devices based on mofs are explored in this dissertation. especially, the fiber laser devices based on mofs, including yb3 + - doped double - cladding mof laser and mof raman amplifier, are theoretically and experimentally investigated
本文在對微結構光纖傳輸機制和基本特性進行研究的基礎上，探索了微結構光纖在一些光電子功能器件方面的應用，並對基於微結構光纖作為增益介質的光纖激光器件進行了設計分析和初步的理論與實驗研究。 -
The aim of medical image registration is to align the corresponding point in two medical images. then image fusion technique can be used, and a new containing all medical information of both images can be provided to doctor, through which medical information in different modality can reinforce each other. retinal image registration is often required in clinic surgery and laser therapy in order to provide ophthalmologists with new element of diagnosis and surgery planning
醫學圖像配準技術能夠將一幅醫學圖像與另一幅醫學圖像上對應點達到空間上的一致，從而把各種成像模態的醫學圖像信息融合成一種新的影像模式展現給臨床醫生，因而能解決上述醫學上的難題，使各種成像設備在信息表達上達到優勢互補的目的。 -
Starting from the propagation law of partially coherent light and using a typical partially coherent light, i. e., gaussian schell - model ( gsm ) beam describing the multimode laser in practice, i present in this dissertation the research results on vectorial partially coherent light, spectral changes of partially coherent light passing through optical element, spectral switch of partially coherent light diffracted by an aperture, and the spectral anomaly of diffracted fully spatially coherent light by an aperture
本文從部分相干光的傳輸理論出發，以模擬實際多模激光的一類典型部分相干光? ?高斯-謝爾模型（ gsm ）光束為主要研究對象，對矢量部分相干光、部分相干光通過光學元件的光譜變化、被光闌衍射的部分空間相干光的光譜開關和被光闌衍射的完全空間相干光的光譜異常等現象進行了深入研究。 -
Finite element simulation of laser - generated circumferential waves in hollow cylinder
激光在管道中激發周向導波的有限元模擬 -
( 2 ) the means of converting laser intensity distribution at the focal plane using binary optical element ( boe ) has been proposed the main task is to design binary optical element having proper phase construction
（ 2 ）利用二元光學元件（ boe ）實現溫度分佈均勻化其主要任務是設計二元光學元件的相位結構。
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