The so-called "adiabatic expansion" means that the light generated by the acoustic signal in the absorption within the region transit time under the same conditions are far greater than the time required for thermal diffusion, negligible effect of the proliferation of light signal the impact of this Conditions, acoustic imaging to short-pulse laser for excitation, ultrasonic signal for the information to the carrier, with high-resolution and high-contrast imaging features.

所謂的"絕熱膨脹"是指所產(chǎn)生的光聲信號在吸收區(qū)域內(nèi)的渡越時間遠遠大于相同條件下熱擴散所需的時間黄视频网站一致，可忽略熱擴散效應(yīng)對光聲信號產(chǎn)生的影響一级毛片和暴力，在此條件下视频网址国产精品入口，光聲成像以短脈沖激光為激勵源www交毛片、以超聲信號為信息的載體超碰在线看看，具備高分辨率和高對比度的成像特點。

In the first part of the paper, the light source and its light output measurements are described. The second part is concerned with some investigations of ruby and Nd-doped glass laser s, pumped with electrodeless discharge tubes.

文章的前一部分包括光源的裝置及特性的測量等伊人亚洲精品分类视频，第二部分的內(nèi)容為利用這種光源作紅寶石與釹玻璃激光器的激發(fā)光源時国产男人资源在线观看网站免费，對于激光器的光輸出特性的研究結(jié)果，其中包括閾值的測定无码中文精品专区一，尖峯的觀察yw网站、單模振蕩和規(guī)則的阻尼振蕩等。

Free electron laser is a novel coherent light source. It has a wide tunable ability, a high output power, and a high quality light beam.

自由電子激光是一種新型相干光源超碰在线观看cao，它的激光頻率在很寬的范圍連續(xù)可調(diào)諧96无码视频在线观看，輸出功率高，具有良好的光束質(zhì)量国产绿帽精品一级视频。

The light source includes a laser, a light pipe, and an optical fiber.

光源包括激光器肏屄手机视频播放、光管和第一光纖。

This project is to analyze the distribution of the light in the high-power laser system, it bases on principles of ray optical, use the paraxial ray trace and real ray trace , proposes a new data structure and way to simulate the light in the optical system in the computer.

本課題就是以含衍射元件的大功率激光裝置中由于多次殘余反射形成的鬼像為研究對象午夜小电影日本欧美，從光線光學的基本原理出發(fā)日本视频www.色，應(yīng)用近軸光線與空間光線追跡相結(jié)合的技術(shù)路線，提出一種新型的分析方法和數(shù)據(jù)結(jié)構(gòu)激情五月天综合网，開發(fā)出用于含衍射元件的高功率激光系統(tǒng)雜散光分析的軟件欧美日韩A。

The small hole of the optical inducer of the traditional second-generation optical mouse used for receiving the images faces downwards, and corresponding light sources (including photoelectric diode and laser diode), optic lens and photosensitive holes are arranged at the lower part of the mouse; therefore, moving the whole mouse is a relatively convenient method for generating displacement of the mouse pointer; oppositely, the small hole of the optical inducer used for receiving the images faces upwards and corresponding light sources, optical lens and photosensitive holes (7) are arranged at the upper part of the mouse; matters on the upper surface of the photosensitive hole (7) can be moved so as to lead the mouse pointer to generate the displacement, while the moving signal transmitted by a photoelectric conversion device must be reset so as to comply with the integrated mouse of the invention.

傳統(tǒng)的第二代光電鼠標的光學感應(yīng)器接收圖象的小孔是向下的，對應(yīng)的光源(包括光電二極管久久综合九色综合久99，激光二極管)午夜成年小网站无遮挡、光學透鏡和感光孔都是在鼠標下部分，這樣要想鼠標指針產(chǎn)生位移較方便的方法就是移動整個鼠標人人妻,人人操,人人爱人人乐；相反鸥美性爱操逼视频，光學感應(yīng)器接受圖象的小孔向上，對應(yīng)的光源色色屋视频APP下载、光學透鏡和感光孔(7)在鼠標上部分国产精品无码城中村嫖妓，要使鼠標指針產(chǎn)生位移就只需移動附在感光孔(7)上面的物質(zhì)国产极品福利精品小视频，但必須重新設(shè)置光電轉(zhuǎn)換裝置傳出的移動信號，以符合本發(fā)明色黄视频久久久。

The results of experimental and theoretical study indicate that the unpolarized light from He-Ne laser is equivalent to circular polarized light.

實驗和理論研究的結(jié)果都說明由氦氖氣體激光器發(fā)出的非偏振光是和圓偏振光等效的午夜操逼视频。

Methods Naevus fusco-caeruleus zygomaticus are treated by Q-switch alexandrite laser at 752nm wave length laser and 2.4mm light spot.

應(yīng)用Q開關(guān)紫翠寶石激光儀，采用752nm波長及2.4mm光斑在线一级免费黄色视频，對皮損進行局部治療国产福利亚洲一区二区三区。

It practicality is a whole, Common single light beam laser chief by semiconductor laser, Half penetrated prisms/ Collimating lens, Naked quick detector sum promote move utensil wait for spare part compose.

它實際是一個整體，普通單光束激光頭主要由半導(dǎo)體激光器精品国无码一区二区三区不卡、半透棱鏡/準直透鏡91中文视频在线观看、光敏檢測器和促動器等零部件構(gòu)成。

Laser welding with high energy density laser as a light source, to molten metals to form welded joints.

激光焊以高能量密度的激光作為光源国产一级av片精品，對金屬進行熔化形成焊接接頭最新永久福利地址发布页。