spot size 中文意思是什麼
spot size
解釋
斑點大小-
The envelope equation of laser propagating in the plasma channel, and the general expression related the laser spot size with the propagation distance and the width of the plasma channel etc., are derived based on the hamilton - jacobi equation and the refractive index equation
在此基礎上得到了激光在等離子體隧道中傳輸的包絡方程以及光斑半徑與傳輸距離、隧道寬度等初始參量的關系。 -
The influence of adjusting the laser spot size at the target on the growth of a - c was analyzed in charter iv, and a suit spot size was found
第四章研究了激光束聚焦對非晶碳膜生長的影響，並找到了合適的激光束直徑。 -
Limiting of the spot size of intense relativistic electronic beams in a solenoidal field
螺線管場下強流相對論電子束焦斑尺寸的限制 -
Comparison of c - scan of entire sample and the date of local point a - scan collected and processed with the metallorgaphs of sample cross section showed that the method could be used to determine the spot size of resistance spot welding
對接頭焊點的c掃描及對局部點的a掃描信號的採集與分析，經負際焊點橫截面的金相觀察對比，可以較準確確定點焊的焊核直徑。 -
When a larger waist w of the incident gaussian beam and a shorter focal length / of the lens are chosen, we can obtain an extremely - small dark spot size of the focused hollow beam, even approach the diffraction limit
當選擇較大的入射準直高斯光束的束腰w _ 0和較短的薄透鏡焦距f時，可以在焦平面上產生一個很小的dss （或束半徑r _ 0 ） ，甚至可以接近衍射極限。 -
The relationship between wave - front aberration and focal spot size was researched roundly, and the essential connection between focal spot energy shape and wave front gradient distribution was discovered, and a smarter parameter to evaluate wave front aberration was founded. based on this, the wave front aberration tolerance confined by focal spot size requirement was obtained through calculation and statistics method. 2
比較全面地分析了系統內部波前誤差與光束焦斑尺寸之間的關系，找到了波前梯度分佈與焦斑能量分佈之間的本質聯系，提出了一個與焦斑尺寸關系最密切的波前誤差參數，並採用數值模擬和統計的方法得到了焦斑尺寸限制條件所要求的波前誤差限制條件； 2 -
5. otherwise, the applicability of cube comer array in the wide spectrum high power solid - state laser facility was researched as a relatively absolute part in this paper. through simulation, the action of cube corner array to reduce beam ' s focal spot size was testified visibly, and the smoothing effect of beam ' s modulation caused by cube corner array was proved primarily on the wide spectrum condition
另外，作為一部分相對獨立的內容，本文對寬頻帶激光傳輸條件下採用角錐棱鏡陣列抑制低頻波前畸變的設想進行了探索性的研究，通過模擬模擬驗證了角錐棱鏡陣列具有抑制低頻波前畸變、提高激光焦斑能量集中度的顯著作用，並初步驗證了寬頻帶激光傳輸條件下近場振幅高頻調制的勻滑效應。 -
Through comparing the distribution of energy in biological tissue generated by single and multi - beam as well as flat and gaussian light, influence of various light sources and the light spot size on the distribution of light absorption is analyzed
通過比較單束以及多束均勻分佈光和高斯分佈光照射下組織內的光子能量分佈規律，分析了不同光源和光斑大小對光吸收分佈的影響。 -
In developing the planar lightwave circuits, the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered. a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance
在平面波導光器件研製中，提出了高折射率差二氧化硅波導與光纖的新型低損耗連接，與現有波導單側變窄的結構相比較，有效的降低了連接損耗，同時具有偏振相關損耗低，工藝容差性好的優點。 -
The output spot - size of our non - flowing tea co2 laser is quite large, only slightly smaller than the section of the excited media, this agrees with the calculated spatial distributions of the initial electron density for pre - ionization well
由我們的非流動型teaco _ 2激光器獲得的輸出光斑相當大，僅比激活區截面略小，這與理論計算的預電離初始電子密度空間分佈規律有較好的一致性。 -
The main results are as follows : 1. the propagation of an ultrashort intense pulse laser beam in low - density plasmas is investigated analytically. relativitistic pondermotive force and space - charge effects are included, and an equation describing the evolution of the laser spot size is derived
考慮有質動力與電荷分離場的平衡，推出了超短超強脈沖激光在低密度等離子體中的折射率、電子密度和電荷分離場的表達式以及激光束斑的演化方程。 -
The software includes controls for ablation mode, laser repetition rate, laser power, sample spot size selection, x - y positioning, sample viewing, sample mapping, gas routing, spectrometer system triggering and automating sampling processes
軟體包括對消融模塊的控制，激光重復速率，激光能量，試樣光子尺寸選擇， x - y定位，試樣觀察，試樣繪圖，氣體路由，分光計系統觸發和自動取樣程序。 -
Measurement of the effective focal spot size for industrial x - ray apparatus
工業用x光射線儀有效焦點尺寸的測量 -
The field distribution and propagation properties in sil system is analysed, and the relationship between the focusing spot size and the defocusing amount is also described. moreover, a novel model is proposed on basis of the fdtd analysis that can make us increase the distance between sil and recording medium without decreasing the recording density
模擬的過程中還發現，在小尺寸sil透鏡（半徑為波長量級）離焦時，系統焦點可以被推移到離sil底面較遠的位置而不會產生大的解析度損失，根據該結果我們提出了一種增大sil底面與存儲介質間距的方案，該方案對于sil高密度光存儲系統的實用化研究具有重要意義。 -
From the fresnel diffraction equation, we calculated the intensity distribution of the fhb in free space, and found that there is an interested propagation property of the fhb before the focal plane. that is, with the increase of the propagation distance z, the dark spot size ( dss ) of the fhb is first increased, and then decreased, the dss has the maximum value at the position of z = - f / 2
發現在焦平面之前有一個非常有趣的傳播性質，即隨著傳播距離z的增加，這一聚焦中空光束的暗斑尺寸（ dss ）先從另變大然後再變小，最大的暗斑尺寸的位置在z = f / 2處。 -
The solutions are derived through sde method introduced in the chapter, which are four differential equations of the electric field parameters, i. e., the wave curvature as, the spot size rs, the laser power p and the phase s
源展開方法的解是電場的四個參數的演化方程，即關于波前曲率、光斑半徑、振幅和相位的四個偏微分方程。 -
To ensure the beam quality reach the requirement of high efficiency third harmonic conversion and small focal spot size, the correction of wave - front aberration had to be considered in the design of high power solid - state laser facility
在高功率固體激光系統總體設計中，為了使光束質量滿足高效率三倍頻和小孔進腔打靶的要求，必須對激光的波前畸變進行校正。 -
The results show that the peak intensity of the transmitted beam decreases with the increase of the input angle, the position of the peak intensity of the transmitted beam is shifted, and the spot size of the transmitted beam is changed. under the nonresonant case ( i
結果表明，當以較大角度入射時，輸出為一系列空間分離的光斑:當以較小角度入射時，輸出盡管為單一光斑，但是與輸入相比，其峰值強度位置發生了偏移， _且光斑變大。 -
We will consequently refer to it as the beam "spot size".
我們將它稱為光束的「光斑尺寸」。 -
If the weld spot size is the same, the welding - parameter both high voltage, short pulse width and low voltage, long pulse width can get the same pws of lh. but the range of influence of thermal stress by long pulse is larger than by high voltage
在光斑尺寸相同的條件下，高電壓小脈寬和低電壓大脈寬可以使激光錘校正偏移達到相同的效果，但是高電壓小脈寬的焊接參數比低電壓大脈寬的焊接參數對材料的熱應力影響區要小。
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