液體的折光率 的英文怎麼說
中文拼音 [yètǐdezhéguānglǜ]
液體的折光率
英文
refractive index of liquid- 液 : 名詞(液體) liquid; fluid; juice
- 體 : 體構詞成分。
- 的 : 4次方是 The fourth power of 2 is direction
- 折 : 折動詞[口語]1. (翻轉) roll over; turn over 2. (倒過來倒過去) pour back and forth between two containers
- 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) ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 液體 : liquid; liquor; fluid
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A distant field interference of non - single - core light beams is analysed in a transparent liquid or solid when the bubble is irradiated with laser, a formula on optical path length difference is derived, interference regions and causes of interference rings thick inside and thin outside are analysed, the diameter of bubble can be measured by method of interference, the size of bubble and refraction index of gas inside the bubble can be measured in the depths of medium
摘要對透明液體、固體中氣泡在激光照射下產生的一種非單心光束干涉進行了遠場分析,得到了程差公式,分析了干涉的區域、圓環狀干涉條紋內密外疏的原因,通過干涉的方法可以測量氣泡的直徑,能夠用於介質深處氣泡尺寸及泡內氣體折射率的測量。The details are described as follows : 1. the photonic bandgap theory based on total internal reflection ( tir ) pcfs filled with by high index material ( nlc ) is proposed for the first time. based on this theory, the effects of nlc - filled tir - pcfs on the transmission mechanism and propagation properties are studied using plane - wave method and full - vector fem
主要研究內容和成果包括以下基本方面: 1 、首次提出基於填充高折射率介質(液晶)的折射率引導型pcf的光子帶隙理論分析方法,在此理論的指導下,採用平面波展開法和有限單元法研究了填充對光纖傳導機制和傳輸特性的影響,研究結果表明液晶填充可以實現光子晶體光纖導光機制的轉變。Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together
本論文選題于國家973 、 863以及國家自然科學基金等項目,結合課題的要求和主要目標,在對光子晶體光纖( pcfs )傳輸特性研究的基礎上,首先對光子晶體光纖光柵進行了理論和實驗研究;然後,採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響,提出並設計了幾種新型光子晶體光纖;最後,提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。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Unsaturated polyester resin - determination of refractive index of liquid and casting
不飽和聚酯樹脂液體和澆鑄體折光率的測定But by the characteristics of the optic fiber grating, the optic fiber grating is not sensitive to the external refractive index and cannot be directly used as gas or liquids sensors without the intermediate material like hydrogel
但是由於光纖布喇格光柵本身的特性,它對外界接觸物質折射率的變化並不敏感,接觸物質折射率的變化不會引起中心波長的偏移,因而無法直接將其作為氣體和液體濃度(折射率)的傳感元件。分享友人