Framing shadowgraphy of UV laser probing with the 4th harmonic Nd-YAG Laser was developed for the diagnosis of Z-pinch plasmas. This system can effectively shield visible light and has advantages of high temporal resolution,large optical angular aperture and wide measuring range.

采用Nd-YAG激光器的四倍頻激光(266nm)設(shè)計(jì)了激光探針分幅陰影成像系統(tǒng)，該系統(tǒng)具有時(shí)間分辨率和收光效率高香港无码黄色视频，測(cè)量范圍大，可有效屏蔽可見光干擾的優(yōu)點(diǎn)成年av天堂首页，在鎢絲陣實(shí)驗(yàn)中成功獲得晚期內(nèi)爆等離子體的分布圖像女人不戴套日出白浆在线观看。

The pulse width broadening of the femtosecond laser after angular dispersion wasdescribed,the pulse width expression at arbitrary propagation distance was provided,the pulse width broadening of the femtosecond laser by AOD was precisely predicted,thegeneral theory on pulse width broadening of plane wave,spherical wave and Gaussianbeam was deduced and the physical mechanism of pulse width broadening based on eachabove light beam model was revealed.

本文對(duì)隨機(jī)掃描雙光子顯微鏡中飛秒激光傳輸特性進(jìn)行了系統(tǒng)深入的研究亚洲性爱无码视频，完整解決了這一理論問題，發(fā)現(xiàn)了空間與時(shí)間色散通過角色散耦合的規(guī)律国产jlzzjlzz视频免费，為空間與時(shí)間色散同時(shí)補(bǔ)償?shù)姆桨柑峁┝死碚撘罁?jù)欧美亚日韩另类在线视频，基于此原理的單個(gè)角色散器件同時(shí)補(bǔ)償空間和時(shí)間色散的方案高效解決了聲光偏轉(zhuǎn)器的色散補(bǔ)償這一核心難題，為建立隨機(jī)掃描雙光子顯微成像裝置并應(yīng)用于神經(jīng)學(xué)研究奠定了基礎(chǔ)：闡明了飛秒激光經(jīng)角色散后的光斑展寬規(guī)律黄色网址免费看的九九，獲得任意傳輸距離處的光斑解析式亚洲美女性爱一级免费视频，精確預(yù)測(cè)了聲光偏轉(zhuǎn)器對(duì)飛秒激光的光斑展寬，并揭示了光斑展寬的物理機(jī)制人人干免费免视。

Based on symmetry of the circular light spot of the laser, a two dimensional numerical simulation of temperature fields of laser molten pool has been developed.

利用激光圓形光斑對(duì)稱性的特點(diǎn)三级在线播放，建立了激光表面快速熔凝條件下溫度場(chǎng)的二維數(shù)值模型。

A lens and a paraboloid nozzle were used to focus pulsed CO2 laser and generate impulse.Effects of single pulse energy on impulse coupling coefficient was studied with a high-accuracy compound pendulum and a light figure system.Extension range of pulse energy from 5 J to 70 J was obtained through adjusting working voltage of the laser and energy attenuation of silicon combinations in the experiment.

利用透鏡聚焦最新国产福利黄色导航，拋物面噴管約束97爱好碰，結(jié)合復(fù)擺和光指針測(cè)量系統(tǒng)研究了單脈沖能量對(duì)吸氣式激光推進(jìn)沖量耦合系數(shù)的影響，實(shí)驗(yàn)中通過調(diào)節(jié)激光器工作電壓和硅片衰減實(shí)現(xiàn)了脈沖能量5-70 J范圍的有效拓展欧美性大开放久久综合48；進(jìn)一步采用納秒分幅高速相機(jī)拍攝了24 J能量下的流場(chǎng)紋影照片A大片免费黄黄。

Full quanta theory was used in analysis the working principle of laser, educed the photon states of single pattern radiate in two energy-step system, and simulated the establishment of laser mode and statistical distribute of photon.According to elf consistent equations of RLG; build the simulated program with LabWindows/CVI and do some simulation experiments,The result of simulation matched the theory perfect perfectly and conform to the experiments, the locked-in and pattern competition coursed the periodic light intensity.

在激光陀螺自洽場(chǎng)方程組的基礎(chǔ)上，運(yùn)用LabWindows/CVI軟件建立了靈活方便的激光陀螺仿真平臺(tái)免费看黄色视頻，并進(jìn)行仿真試驗(yàn)国产原创第一页，仿真試驗(yàn)結(jié)果與理論分析很好的相符合，且能夠較好地說明陀螺試驗(yàn)現(xiàn)象AⅤ资源网影音先锋，即在閉鎖閾值附近都市激情国产在线观看网址，由于閉鎖效應(yīng)和模競(jìng)爭(zhēng)相互影響，使得激光腔中兩行波相互關(guān)聯(lián)国产精品国产精品国产精品，光強(qiáng)差隨時(shí)間呈周期性變化国内明星合成图╳077论坛。

The principle of constant power drive is: PD converts the change of output light power of laser diode into the change of diode current, and the change of current is feed back to voltage-current converser which adjusts output current of driver to compensate the laser diode.

這樣，當(dāng)激光器的輸出光功率衰減時(shí)国模大尺度A片在线观看，驅(qū)動(dòng)器相應(yīng)的增大輸出電流国产精品猎奇国产精品无码；當(dāng)激光器的輸出光功率增強(qiáng)時(shí)，驅(qū)動(dòng)器就相應(yīng)減小輸出電流欧美乱人伦中文在线观看暴力。對(duì)許多激光器應(yīng)用來(lái)說在线观看性爱视频，最希望脈沖輸出，因?yàn)槊}沖輸出只有極小的結(jié)發(fā)熱美女被操网站视频。

When hit with a laser they can fluoresce for hours afterwards, thanks to defects in the diamond that absorb the laser energy and emit light of their own at a different wavelength.

FND用激光照射后在幾個(gè)小時(shí)內(nèi)可發(fā)出熒光一本一道波多野结衣av无码，其原因是鉆石上的瑕疵吸收了激光能量并以不同的波長(zhǎng)發(fā)射自身的光線。

It is shown that this kind of film a-CdSe has an excellent photoelectric characteristics of instaneous response to picosecond laser pulse by testing the responsive time of those detectors using ultrashort light train pulses emitting from a colliding pulse mode -locking Nd:YAG laser.

用對(duì)撞脈沖鎖模Nd：YAG激光器產(chǎn)生的超短光脈沖序列對(duì)探測(cè)器的響應(yīng)時(shí)間進(jìn)行檢測(cè)一级毛片中文字幕无码，結(jié)果表明a-CdSe薄膜對(duì)皮秒10~(-12秒級(jí)的超短光脈沖作用具有良好的瞬態(tài)響應(yīng)光電特性久久久无码c区，探討a-CdSe薄膜快速弛豫過程的內(nèi)在機(jī)理。

Accordingly, the study on the characteristic of penetration of laser beam through the atmosphere is significant basis in choosing laser lamp-house and the receiver of light signals i.e .

因此，研究激光大氣傳輸特性是我們選定激光光源和光信號(hào)接收器的重要依據(jù)一级黄片免费视频看看。

The features of the different kind of FOV configuration in the laser proximity fuze, with detecting target, and the cost of manufacturing in missile are discussed. Based on the experiment, the methods and scope of evaluating the light beam configuration in laser proximity fuze are analyzed. The appropriate situations of each configuration of broad FOV are demonstrated.

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