birefringence crystal 中文意思是什麼

birefringence crystal 解釋
雙折射晶體
  • birefringence : n. 【物理學】雙折射。adj. -gent
  • crystal : n 1 結晶，（結）晶體；晶粒；水晶（＝rock crystal）；石英。2 【無線電】晶體。3 結晶玻璃；雕玻璃；...
  1. It is transparent in a region from the visible to the infrared range ( 0. 45 - 13 ? m ) and has a fitful birefringence and a large nonlinear coefficient. aggas2 crystal can be made to be octonary device, difference - frequence device and parametric oscillator, and laser sources of different frequences in 1. 8 - 11 ? m band can be provided

    其紅外透波范圍寬（ 0 . 45 - 13 m ） ，具有適宜的雙折射率和大的非線性系數，可製成倍頻、差頻和光參量振蕩器件，在1 . 8 - 11 m范圍內可提供多種頻率的激光光源。
  2. When we applied electric field, the the oritation of liquid crystal molecule axis reset. it induced the roate of optic axis. at last, the birefringence will change. this is the voltage - dependent birefringence of liquid

    例如當對液晶施加電場時，液晶分子軸的排列會變化，從而引起液晶光軸的轉動，最終導致了液晶雙折射率的變化，這就是我們所說的液晶電控雙折射特性。
  3. This rhomboid shaped crystal of calcium pyrophosphate, which appears bluish - white ( weak positive birefringence ) by polarized light with red plate

    焦磷酸鈣菱形結晶在紅感光板偏振光下呈藍白色（弱正雙折射） 。
  4. The refractive indices at 12 wave lengths in the visible region were measured with the minimum deviation method, showing that kabo is a negative uniaxial optical crystal with moderate birefringence. the measurement of nonlinear optical coefficient dn = 0. 45pm / v

    用最小偏離法測試了可見光區十二個波段處的晶體折射率，結果表明kabo晶體屬負單軸晶，具有適中的雙折射率。晶體的非線性光學性質測試顯示，該晶體非線性光學系數為d _ （ 11 ） = 0 . 45pm / v ，可實現相位匹配。
  5. 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。
  6. The subject mainly studies the splitting phenomena of laser longitudinal mode and the transmitted resonant mode of fabry - perot etalon using electrically controlled birefringence of liquid crystal, so as to find a new approach to obtain the dual - frequency laser output

    本論文主要研究利用液晶的電控雙折射效應分裂nd ： yag激光縱模和f - p標準具諧振模，以尋求產生雙頻激光輸出的新途徑。
  7. Study on a new type high birefringence and flattened dispersion photonic crystal fiber

    新型高雙折射及色散平坦光子晶體光纖研究
  8. Changxi yang, lin zhang, and g jin, “ form birefringence and polarization coupling in photonic crystal fibers ”, ico topical meeting on polarization optics, june 30 - july 3, 2003, polvijarvi, finland, pp212 - 213

    李世光，楊昌喜，金國藩： 「一種新型磁光開關的動態特性研究」 ，第十屆全國光電技術與系統學術會議，長沙， 2003年10月。
  9. The normal polarizing device is made of iceland crystal that is based on birefringence of crystal. its merit is high extinction ratio, high transmission and wide wavelength

    一般的起偏器件和檢偏器件是利用晶體的雙折射特性設計而成，其優點是：消光比和透射比高，適用的光譜范圍大。
  10. The paper has five sections include the basic knowledge and the experiment research, systematically analyses the impact of the liquid crystal box ' s position angle on the measuring result of liquid crystal lyot filter and the practical significance of this work. the work of this paper maily includes five sections : ( 1 ) the related theory of the crystal birefringence is systemicly introduced in this paper ; ( 2 ) the theory of the lc voltage - dependent birefringence is introduced ; ( 3 ) no voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 4 ) voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 5 ) desired wavelength is extract from changing the direction of liquid box. originality innovation of this paper is that the theory of the lc voltage - dependent birefringence is systemically introduced in this paper especially those related to voltage and direction

    本文主要完成以下幾方面工作： （ 1 ）比較系統地整理了晶體雙折射的有關理論； （ 2 ）簡單介紹了液晶的電控雙折射特性； o ）在未加電壓情況下，研究液晶盒方位角對濾光片透過率曲線的影響；廠）在加交流電壓的情況下，研究液晶盒方位角對濾光片透過率曲線的影響； （ 5 ）利用方位角的調整來提取特定波長的譜線；本論文的創新之處在於比較系統地整理了晶體雙折射的有關理論，特別是與電壓及方向有關的理論，實驗得出了濾光片透過率隨液晶盒方位角變化的關系曲線，並將之運用於v吸器波長的話線朋
  11. ( 2 ) the tenability is determined by the birefringence of the liquid crystal, a large birefringence change can be obtained by a small voltage change

    2 、其調諧性能決定於所用液晶材料的雙折射率，通常較小的電壓（ 0 . 8 - 4v ）就足以產生較大的雙折射率變化。
  12. Usually, a large birefringence change ( 0. 2 ) can be achieved by a relatively small voltage ( a few volts, depending on the lc used ). its wavelength tenability is determined by the controlled birefringence of the liquid crystal used

    通常，較小的電壓（ 0 - 3伏）就足以產生較大的雙折射率的變化（ 0 . 2 ） ，具體的電壓值由所用液晶材料決定。 （ 3 ）雙折射率連續可調。
  13. There are many factor affecting voltage - dependent birefringence. but the temperature effect of voltage - dependent birefringence cannot ignore in the course of liquid crystal device design and production. this thesis mostly study the regularity of voltage - dependent birefringence with charging the temperature

    影響液晶電控雙折射率的因素很多，但是，在液晶器件設計、製作中，液晶的電控雙折射率溫度效應通常是不能忽略的。
  14. In resent years, the electrically controlled birefringence of liquid crystal is widely used in displays, light valves and optical filters, more and more researchers have paid special attentions to it and shown great interests in it

    近年來，液晶的雙折射效應廣泛應用於顯示、光閥和光濾波器等技術領域，引起人們的廣泛關注和極大的研究興趣。
  15. As a kind of condensed state matter, the characteristic and structure of liquid crystal between solid crystal and isotropic liquid. it is a ordering liquid, as the macroscopical characters are concerned, it have the flowing power and viscidity like liquid, and the anisotropy like crystal, it has birefringence, bragg reflection, diffraction and optical rotation like crystal. furthermore, it has thermal light effect, electrical light effect or magneto optical effect in outside field

    它是一種有序性的液體，從宏觀物理性質上看，既具有液體的流動性、粘滯性，又具有晶體的各向異性，能象晶體一樣發生雙折射、布拉格反射、衍射及旋光效應，也能在外場作用下產生熱光、電光或磁光效應。
  16. Liquid cryatal discover and develop history are introduced in the first part. at the same time, the most study content of liquid crystal physics and the significance of study the temperature effect of voltage - dependent birefringence

    第一章簡要介紹了液晶發現地展的歷史和液晶物理學的研究內容並敘述了研究液晶電控雙折射率溫度效應的意義
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