The study indicates that the center wavelength of FBG's reflected spectrum on the two polarization directions shift, and the reflectivity decreased with the increase of the twist angle. The longer wavelength produces"red shift". The shorter wavelength produces"blue shift". And the wavelength shift is basically same.

研究表明a毛av免费，隨著扭轉(zhuǎn)角度的增加中国毛片黄色视频，兩個(gè)偏振方向的光柵反射譜中心波長(zhǎng)發(fā)生移動(dòng)且反射率降低一级毛片试看三分钟，長(zhǎng)波長(zhǎng)的產(chǎn)生"紅移"黄色网站视频观看久操网，短波長(zhǎng)的產(chǎn)生"藍(lán)移"，移動(dòng)的波長(zhǎng)量基本相同黄片在线免费无码。

We indicate that when wavelength number is larger than 16, even 8, all of the networks show good small blocking performance. Further, we discuss different aspects that affecting blocking, including routing, wavelength number, wavelength assignment, wavelength conversion, multi-fiber and network connectivity. We find out that increasing wavelength or implementing multi-fiber can reduce blocking dramatically while in light loads (＜0.4Er), fixed alternate routing or First Fit wavelength assignment can improve the performance to some extent.

為了進(jìn)一步獲得更優(yōu)的阻塞特性欧美高潮喷水视频，研究比較了影響阻塞率的幾個(gè)重要方面，包括路由（固定路由與固定可選路由）同性女女做视频免费观看、波長(zhǎng)數(shù)與波長(zhǎng)分配算法激情小说激情图片激情电子、波長(zhǎng)變換與多光纖、網(wǎng)絡(luò)連接度乐播三级黄三区视频免费，結(jié)果表明阻塞特性通過(guò)增加波長(zhǎng)或采用多光纖可以得到明顯的改善日韩手机福利写真在线观看，在負(fù)載較輕時(shí)(＜0.4Er)，改用可選路由方式或First Fit波長(zhǎng)分配算法也可以一定程度地改善阻塞率日韩一区二区高清，但是這種改善受網(wǎng)絡(luò)連接度和波長(zhǎng)數(shù)的影響比較明顯日韩超清一区二区三区无码视频。

Waveband switching was used to reduce the complexity and the size of multi-granular optical cross-connect in wavelength-division-multiplexing optical networks.

0引言波分復(fù)用(wavelength-division-multiplexing，WDM)技術(shù)在大幅度提高傳輸容量的同時(shí)国产午夜福利电影，也增加了交換設(shè)備的規(guī)模日韩免费午夜短片在线、控制難度和管理復(fù)雜性[1]。

With the explosive increase in network traffic and the emergence of high performance optical network devices, such as optical cross-connect and optical add/drop multiplexer, wavelength-division multiplexing technology have emerged as a promising candidate for next-generation networks.

網(wǎng)絡(luò)業(yè)務(wù)量的爆炸性增長(zhǎng)以及高性能的光網(wǎng)絡(luò)設(shè)備（如光交叉連接器OXC伊人久久影院一区二区三区、光分插復(fù)用器OADM）的出現(xiàn)A片亚洲、欧美视频，推動(dòng)波分復(fù)用技術(shù)（Wavelength-Division Multiplexing，WDM）成為下一代骨干網(wǎng)絡(luò)的核心技術(shù)日韩精品黄在线看。

In this thesis, terahertz transmission properties through three kinds of simple sub-wavelength metallic structures, including single sub-wavelength metallic circular hole, single sub-wavelength metallic slit and double sub-wavelength metallic slits, are experimentally investigated in the far field by using our own THz time-domain spectroscopy system and are theoretically analyzed. Conclusions are obtained as follows:(1) a single sub-wavelength metallic circular hole exhibits the same terahertz transmission properties as that of round metallic waveguide, which are influenced by the diameter of circular hole and the thickness of metal foil.

本文利用本實(shí)驗(yàn)室搭建的太赫茲時(shí)域光譜系統(tǒng)研究了太赫茲波段金屬亞波長(zhǎng)結(jié)構(gòu)的透射特性欧美一级婬片A片人杂交，其中對(duì)三類金屬亞波長(zhǎng)簡(jiǎn)單結(jié)構(gòu)即單個(gè)金屬亞波長(zhǎng)圓孔、單個(gè)金屬亞波長(zhǎng)狹縫和金屬亞波長(zhǎng)雙縫的太赫茲透射現(xiàn)象進(jìn)行了遠(yuǎn)場(chǎng)探測(cè)以及理論上的分析国产一欧美级爱做C片免费，得到了以下一些成果：(1)太赫茲波通過(guò)單個(gè)金屬亞波長(zhǎng)圓孔的傳播現(xiàn)象與圓形金屬波導(dǎo)具有相同的規(guī)律插插插插插插人人人人人人，其特性受到圓孔直徑和金屬箔厚度的影響。

The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信號(hào)傳輸特性與相關(guān)參數(shù)的分析在线观看成人福利午夜视频在线，為進(jìn)一步優(yōu)化設(shè)計(jì)AWG及提高其性能提供了理論依據(jù)日日插日日干，而優(yōu)化設(shè)計(jì)計(jì)算數(shù)值方法解決了AWG優(yōu)化設(shè)計(jì)計(jì)算的復(fù)雜問(wèn)題，為進(jìn)一步建立AWG的計(jì)算機(jī)設(shè)計(jì)系統(tǒng)提供了基礎(chǔ)网友自拍视频在线；AWG光信號(hào)處理的特性分析国产Av无码精品线上线下，提出了AWG應(yīng)用的新領(lǐng)域，為光信號(hào)的傅立葉變換在线播放国产精品第一页、串并傳輸成年妇女观看在线视频网站大全、循環(huán)移位、矩陣變換人人艹五月天、微分處理等提供了一條途徑天天干夜夜爽；波長(zhǎng)傳輸矩陣變換關(guān)系的建立，不僅得到了確定多路AWG每路信號(hào)從輸入端口到輸出端口的準(zhǔn)確輸出位置的方法国产av天堂久久久久，而且在分析應(yīng)用AWG實(shí)現(xiàn)復(fù)雜的光通信網(wǎng)絡(luò)路由的連接色综合天天综合网、特別在設(shè)計(jì)分插復(fù)用器和交叉連接器等網(wǎng)絡(luò)節(jié)點(diǎn)時(shí)有重要的作用曰本A片天天看片天天爽爽，能有效而準(zhǔn)確地確定波長(zhǎng)的路由關(guān)系，為實(shí)現(xiàn)節(jié)點(diǎn)波長(zhǎng)傳輸路由的監(jiān)控和管理提供有效手段手机看片日韩精品视频在线；基于AWG的OXC結(jié)構(gòu)和波長(zhǎng)路由的確定為實(shí)現(xiàn)OXC技術(shù)、特別是多路多波長(zhǎng)的OXC和光網(wǎng)絡(luò)的智能節(jié)點(diǎn)技術(shù)提供了有效的方法xxxx.wwww；控制平面的特征在线看片免费人成视频久网不卡、路由器、流量工程欧美特级一级黄色视频、程序及改進(jìn)的波長(zhǎng)路由算法的研究實(shí)現(xiàn)了基于GMPLS的OXC光傳送網(wǎng)絡(luò)的控制平面免费人成A片在线视频，為建立自動(dòng)交換光網(wǎng)路提供了一定的基礎(chǔ)；時(shí)頻分析可以更直觀和更清晰地描述脈沖信號(hào)在單模光纖中傳輸色散和能量的變化超碰人人爽爽人人高潮喷水，為色散積累和色散補(bǔ)償提供有效的分析參數(shù)91色老久久精品偷偷鲁无毒。

For the wavelength assignment in all-optical network, our research include:(1) For the wavelength assignment on ring optical networks with fixed wavelength converters, we use permutation group to study the ability of wavelength converters, and design an assignment algorithm, which can give a good assignment scheme in any general case.

其中，在全光網(wǎng)的波長(zhǎng)分配方面,,,亚洲视频在线观看，主要包括：（1）對(duì)于環(huán)形光網(wǎng)中固定波長(zhǎng)轉(zhuǎn)換器的情況亚洲性夜夜综合久久麻豆，采用置換群來(lái)刻畫(huà)轉(zhuǎn)換器的能力，在此基礎(chǔ)上提出了一個(gè)對(duì)于一般情況能夠給出較好波長(zhǎng)分配方案的算法亚洲精品欧美激情专区。

The results show that ponceau 4R excited by light at the wavelength of 330-430 nm can generate a strong fluorescence at the 621 nm peak wavelength with its best excitation wavelength being 376 nm, amaranth excited by light at the wavelength of 300-440 nm can generate a strong fluorescence at the 643 nm peak wavelength with its best excitation wavelength being 370 nm, tartrazine excited by light at the wavelength of 280-380 nm can generate a strong fluorescence at the 565 nm peak wavelength with its best excitation wavelength being 315 nm, sunset yellow excited by light with wavelength of 310-410 nm can generate a strong fluorescence at the 592 nm peak wavelength with its best excitation wavelength being 348 nm, and brilliant blue excited by light at the wavelength of 320-390 nm can generate a strong fluorescence at the 456 nm peak wavelength with its best excitation wavelength being 350 nm.

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An allocation optical fiber sensor comprises signal treatment circuit, sensor optical cable, supernarrow wide laser, two detectors, three offsets, four couplers, four wave-length division multiplex, superradiation LED, polarizer and phase adapter, Sagna conoscope and Mach conoscope shares No1 sensitive optical fiber LB with the third wavelength division multiplex through the first wavelength division multiplex, the second wavelength division multiplex shared with the fourth wavelength division multiplex the second sensitive optical fiber to form the hybrid conoscope.

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The results show that it is a suitable method for measuring tuning wavelength of frequency-doubled Nd:YAG laser by means of iodine vapor absorption lines.

標(biāo) 簽 光譜學(xué)調(diào)諧波長(zhǎng)參考吸收譜線碘蒸氣 spectroscopy tuning wavelength reference absorption lines iodine vapor