電光調諧 的英文怎麼說
中文拼音 [diànguāngdiàoxié]
電光調諧
英文
electrooptical tuning- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 諧 : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
- 電光 : [光學] light produced by electricity (電能所發的光); lightning (閃電); electro optics (電場...
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With the development of science and technology, more and more oxide crystals are synthesized by more and more advanced technique, the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded. corundum dopped with impurity not only is cherished because of it ' s beautiful appearance, but also is used in the fields such as electrotechnics, mechanism, laser, the optic apparatus and the underlay of semiconductor. sapphire dopped with ti3 + is the best material of the tunable solid laser. zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3. 37ev ). the excited emission in zno crystal at room temperature has been found, so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature
含有少量雜質的剛玉晶體( - al _ 2o _ 3 )不僅由於其色澤艷麗成為人們珍愛的名貴寶石,而且由於它具有的優異性能,被廣泛應用於電工、機械、激光器,光學器件和半導體襯底材料。鈦藍寶石是目前最優異的固體寬帶調諧激光材料,用於製作飛秒脈沖可調諧激光器。氧化鋅晶體是直接帶隙寬禁帶半導體材料(禁帶寬度3 . 37ev ) ,現已發現具有室溫下受激發射特性,有可能實現室溫下半導體紫外發光。Many nematic liquid crystals show very large birefringence and good transparency in both near - uv, visible, and ir regions ( except in the vicinities of some resonant electronic and molecular vibrational absorption bands )
許多液晶在紫外、可見光和紅外都具有較大的雙折射率和良好的透射性。 ( 2 )調諧電壓低。2. experimental studies on ring cavity fiber lasers ( 1 ) a novel electrically tunable fbg edfl is reported
2 .環形腔光纖激光器的實驗研究( 1 )用磁致伸縮棒對光纖光柵環形腔激光器進行了線性電調諧。Today, liquid crystal, a new functional material, has been applied more and more widely. on the side of display, owing to stable frarne, absolute environmental protecting, save electric energy and no tire for user, liquid crystal display keeps ahead among the range of display. with the developing of the technology of liquid crystsl, lcd will must substitute for crt and become the chief in market. in additin, liquid crystsl light filers which have been used in optic communicatins and light information handling, emply th e technical of combining the birefringence of liquid crystsl and fabry - petrot - type cavity. they manifest a series of merit, such as narrow band wide, deterioration low, wide tuning domain, simple structure and low cost, so liquid crystal light filter draw attention of many country
現在,液晶作為一種新型功能材料越來越得到廣泛的應用,在電子顯示裝置中,液晶顯示器以其畫面平穩、真正安全環保、省電和使用者不易疲勞等優點領先於顯示器的行列中。隨著液晶技術的發展,液晶顯示器將取代crt顯示器逐步成為未來市場的主流。此外,應用於光通信和光信息處理中的電調諧液晶濾光片,採用液晶材料的雙折射和電光效應與傳統f - p腔相結合,表現出窄帶寬、低損耗、調諧范圍寬、驅動電壓低、結構簡單、低成本等一系列優點,而日益受到各國研究部門的關注。Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and
基於光纖光柵的溫度響應特性,提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案,並論述了其補償原理,證明了該方法的可行性;同時可以看出,該方法不僅可以實現溫度補償,也可以減小光纖f - p可調諧濾波器的重復性誤差以及光源功率波動、探測器噪聲和電路噪聲等引起的誤差。Liquid crystal tunable filters as an important device of wavelength division multiplexing and dense wavelength division multiplexing systems is caused attention by research department, especially many foreign research institute are studying it. but in our country its study is lag. and normal incidence of the crystal is almost the case, because the liquid crystal box is very thin, the field angle may be large and the pose of liquid crystal box may have impact on the measuring result. so, study in such subject, especially the liquid crystal box ' s position angle, is academic and valuable
各種改進液晶電光可調諧濾光片的措施的實現,使得液晶調諧濾光片成為一種很有應用前景的電光調諧濾光片,特別是用於光纖通信中的波分復用系統和密集波分復用系統,將使光纖的傳輸客量大大增加目前國外在這方面的研究進展很快,而國內在這方面的研究比較薄弱,而且通常採用光線正人射晶體進行研究,由於液晶盒很薄,視場角可以很大,液晶盒的擺放對測量結果影響很大,因此對該器件進行深入的研究,討論液晶盒的方位角影響是很有必要的。In 3. 1 the reflection characteristic of f - p cavity is presented. in 3. 2 the optical - electronic modulation is introduced and the technique of how to make a resonant eom is discussed also
3 . 1從理論上分析了f - p諧振腔的特點, 3 . 2討論了電光相位調制的特點,介紹了共振型電光相位調制器的製作。Movable infrared tunable micro filter, 8x8 moems optical switch array and micro electromagnetic actuator used as driver of moems movable device are separately explored in chapter three. firstly, the infrared tunable micro filter is designed according to theory analysis of micro tunable grating
論文用三章的篇幅分別對微型可調諧紅外濾光器、 8 8moems陣列光開關等可動器件及作為moems可動器件驅動源的微型電磁驅動器進行了探索。With strong fluorescence lppp showed a broad pl and el emission with a maximum at 560nm and was regarded as a white light emitter with a strong blue component, thus allowing tunability over the full visible region. the enhanced light - emitting devices were fabricated. microcavity effects were observed both in el and pl
熒光效率高,並具有從紫外到近紅外十分寬闊的光致和電致發光光譜,最大峰值在560nm左右,是一種具有較強藍光成分的白光發光材料,允許在整個可見光范圍內進行調諧發光,可作為高穩定的發光材料。The tunable performance is obtained by rotating the grating. the disadvantages of the mechanical tunable filter are high control voltage, slow response time and big volume. the electro - optic tunable filters are obtained by the alteration of the birefringence of the electro - optic material applied voltage
電子光學濾光片則是通過施加電壓使各種電子光學材料的雙折射率發生變化來實現透射波長的調諧,也可以利用電光晶體在電場中的旋轉來實現波長的調諧。In the system, a tunable dioxide laser is used as a sensor source, and the method of wavelength modulated is adopted, then concentration of gas is determined through detecting the generated second harmonic by opto - electronics converter
用可調諧二極體激光作為傳感光源,採用波長調制方法,通過對諧波信號進行光電探測可得氣體濃度。As we know, usually the wavelength tuning of the qpm - opo is achieved by changing the crystal temperature, but the response is not fast. in this paper we demonstrate the wavelength tuning of the qpm - opo by the electro - optic effect for the fast wavelength tuning
我們知道,基於ppln的qpm - opo的波長調制通常可以通過改變晶體的工作溫度來獲得,但是這種靠溫度的調諧速度不快,本文給出了一種利用電光效應外加電壓快速調諧波長的方法。By using the operation circuit, the drive voltage of f - p in feedback can automatic trace the reflected fbg wavelength. not only had an extraordinary wide demodulation range of frequency achieved, but also a problem solved that when the sensing probe is changed, the sensor has the ability to automatic adjust the drive voltage of f - p to keep up with the dramatic change of the reflected fbg wavelength
本文中創新性地提出了「自動跟蹤」的概念,利用光電系統中的運算電路,不僅能夠自動跟蹤調整法布里腔的驅動電壓、在保證精確度的同時有效地提高該傳感系統的解調頻率范圍,還有效地解決了在測量范圍內有時需要更換傳感探頭的重新調諧問題。Tested by bbs, the system can tune wavelength quickly, tuning range from 0nm to 1. 32nm, maximal voltage is 200v
利用寬帶光源進行測試,成功實現波長的快速調諧,調諧范圍為1 . 32nm ,最大電壓為200v 。The company is mainly engaged in scientific research, development, manufacture, operation and international trade of cable tv broadband cisn product, network software, network system engineering, series product of digital tv front end, digital satellite receiver, digital cable tv set - top box, optical transmission equipment, digital tuner, optical electronic devices, etc
公司主要從事有線電視寬帶綜合信息網路產品、網路軟體、網路系統工程、數字電視前端系列產品、數字衛星接收機、數字有線電視機頂盒、光傳輸設備、數字調諧器、光傳輸器件的科研開發、生產製造、經營銷售和國際貿易業務In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into computer. the corresponding changes of the measurands can be obtained by filtering, analysising and processing the experimental data by using the computer information process system
該系統採用可調諧光纖fabry - perot濾波法對fbg波長變化進行解調,通過a d轉換電路將調諧控制信號和波長變化的信號送入計算機並口,經過計算機信息處理系統的濾波,分析,處理,可得到相應被測參量的變化。In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into a high speed sampling card
該系統採用可調諧光纖fabry - perot濾波法對fbg波長變化進行解調,通過a d轉換電路的調諧控制信號和波長變化的信號送入高速采樣卡,經過計算機信息處理系統的濾波,分析,處理,可得到相應被測參量的變化。The ferroelectric materials for their excellent dielectric, piezoelectric, ferroelectric, pyroelectric, electro - opticial, phonon - optic and nonlinear polarization properties have been widely applied in many fields especially in microwave tunable devices, such as phase shifter in phased array antenna, resonantor and filter etc. as far as microwave tunable dielectric materials, barium strontium titanate ( bst ) and its doped series have been investigated intensively, which have about 50 % tunability
鐵電材料具有優良的介電、壓電、鐵電、熱釋電、電光、聲光及非線性極化等特性,在多種領域有著廣泛的用途。利用其非線性極化特性能制備微波可調元器件,如相控陣天線上的移相器,諧振器,濾波器等。It is proved that it has many attractive features ( 1 ) its applicable spectral range is broad, many liquid crystals have very large birefringence and good transparency in both near ultraviolet band, visible band and infrared band
本文重點研究了可調諧液晶電光濾光片,它的主要優點有: 1 、可應用的光譜范圍特別寬。許多液晶在紫外、可見光、紅外都具有較大的雙折射率和良好的透射性。( 4 ) its used area is wide, its fabrication is simple and its cost is low
4 、可調諧液晶電光濾先片的應用范圍廣、製作簡單、成本較低分享友人