The measuring method for refractive index dependence on temperature and for dispersion characteristic of the fluorinated polyimide film is also reported

同時(shí)報(bào)道了含氟聚酰亞胺薄膜波導(dǎo)的制備工藝及其溫度特性和色散特性的測(cè)試日韩精品天天在线观看视频网站免费。

The invention discloses an optical-fiber all-optical code converter, comprising a temperature control circuit as well as optical-fiber Mach-Zed interferometer, heat sink, semiconductor refrigerator, thermosensitive resistor and radiator, where the interferometer is composed of two cascaded 3dB couplers on the heat sink, the relation between length difference delta L of two arms of the interferometer and generated delay time difference delta T is that delta L=c.delta T/n, where c is light velocity in vacuum and n is refractive index of optical fiber; the thermosensitive resistor is used to detect temperature of interferometer, the temperature control circuit is used to compare feedback voltage of the thermosenstive resistor with a given voltage to regulate working current of the semiconductor refrigerator, and the semiconductor refrigerator refrigerates or heat two arms of the interferometer by the heat sink.

本發(fā)明公開(kāi)了一種光纖型全光碼型轉(zhuǎn)換器美女视频免费视频一区二区，它包括溫控電路和位于密封盒內(nèi)的光纖型馬赫-澤德干涉儀日韩一级做受黃色毛片、導(dǎo)熱熱沉、半導(dǎo)體制冷器人人操超碰人人爱、熱敏電阻以及散熱片人人肉人人摸人人操；干涉儀由位于導(dǎo)熱熱沉上的二個(gè)3dB耦合器級(jí)聯(lián)而成，兩臂的長(zhǎng)度差ΔL與產(chǎn)生的延時(shí)差ΔT之間的關(guān)系為ΔL＝c国产freeXXXX性播放乳。ΔT/n二区视频在线，c為真空中光速，n為光纖折射率意大利色Av资源站；熱敏電阻用于對(duì)干涉儀的溫度進(jìn)行探測(cè)又硬又黄又粗又大又爽的视频日韩，溫控電路用于比較熱敏電阻反饋的探測(cè)電壓和設(shè)定電壓，對(duì)半導(dǎo)體制冷器的工作電流進(jìn)行調(diào)節(jié)色哟哟免费小黄片，半導(dǎo)體制冷器通過(guò)導(dǎo)熱熱沉對(duì)干涉儀兩臂同時(shí)進(jìn)行制冷或加熱啊啊啊好大爽被插乱伦视频。

Besides, annealing also smoothes the film surface and enhances the density and refractive index of the films.

退火處理使薄膜的表面粗糙度降低、致密度增加一级毛片网站在线观看、折射率增大国产三级盗摄视频。

This mainly displayed in the temperature change caused the back lining material which constituted hydrophone head expansion or contraction, and changed the optical fiber refractive index.

這主要表現(xiàn)在溫度變化引起水聽(tīng)器探頭背襯材料的脹縮和光纖折射率的變化。

To match the boundary conditions, the modified Bessel functions are expanded to the planar wave in the interface. Then the eigenvalue equations of different polarizations are obtained by scalar approximation. At last, the relations between propagation losses and the states of polarizations, the geometric structures of the fiber, the refractive index and thickness of the polymer are calculated.

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Cerium dioxide has high refractive index and dielectric constant and ultraviolet absorption which may be useful for various optical and electronic applications.

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Optical clearing is a technique to increase the light penetration depth in the tissue by the application of clearing agent to reduce light scattering and match the refractive index between the scatterer and the environment.

光透明技術(shù)是一種在生物組織中通過(guò)施加光透明劑來(lái)抑制光散射自拍日韩动漫欧美在线观看网站，改善散射體和環(huán)境的折射率匹配久久精品推油按摩，從而增加光在生物組織中的穿透深度的技術(shù)。

The numerical results indicate that the collimating performances of two lens changed little as the increasing of the refractive index and this made it possible to choose the material of the lens in more field.Theoretically,the radiation angle of laser diode beams in the quick axis can be compressed under 0.1 mrad.

結(jié)果表明：這兩種柱透鏡的準(zhǔn)直效率隨折射率的變化不大91亚洲精品视频，這在一定程度上提高了透鏡材料選擇的靈活性毛片免费毛片一级JJJ毛片；并且理論上，共軸雙半橢圓柱透鏡可以將半導(dǎo)體激光光束快軸方向的發(fā)散角壓縮到0.1 mrad量級(jí)特级黄色视频黄色网站免费的。

Aiming at the structure and refractive-index profile of wide-angle cross waveguide, the optical field distribution has been calculated by the method.

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Through research, the relationship among cured depth and concentration of photoinitiator, exposure energy, concentration of monomer, ratio of monomer to cross linker, refractive index of liquid, volume fraction of powders, mean diameter of powders are confirmed.

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