聚合體光纖 的英文怎麼說
中文拼音 [jùgětǐguāngxiān]
聚合體光纖
英文
pof: polymer optical fiber- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 體 : 體構詞成分。
- 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) ...
- 纖 : 纖形容詞(細小) fine; minute
- 聚合體 : aggregate
- 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
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According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。With the development of science and technology, the need of micro system is more and more urgent in many technical fields, such as various operation of cell and polymerized substances, micro surgery, scanning probe microscope ( spm ), butting optical fiber, fine manufacturing etc. with the development of micro - technology, micro mechanism, which has the character of micro size or micro motion is new high technology from microcosmic point of view understanding and reconstructing the world, micro mechanism technology is important means for researching nanotechnology, so the micro stereo vision ( msv ) techniques are demanded urgently in microcosmic domain
隨著科學技術的發展,許多領域越來越迫切地需要微型系統或微動系統,如生物細胞、聚合物的各種操作、微外科手術、掃描探針顯微鏡spm 、光纖對接和微細加工等;而且隨著微技術的不斷發展,以形狀尺寸微小、操作尺度極小為特徵的微機械已成為人們從微觀角度認識和改造客觀世界的一種高新技術;微機械技術還有望成為研究納米技術的重要手段,因此在微觀領域迫切要求顯微立體視覺技術的發展。A completely new makeup experience, compound of high shine converge ingredient, just sweep lightly, the soft and elastic rising fibre will spread according to the direction of eyelash, magic breach limitation and length
一種全新的上妝體驗,高光澤聚合成分延展拉伸復合物,只需輕輕一掃,柔軟而極富彈性的增長纖維,即會沿著睫毛方向順勢延展,美睫魔幻般突破極限,無境纖長。3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題,提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡,對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦,直接實現和光纖耦合,來代替聚焦透鏡和光纖耦合的環節。Special designed blades and tools for special material cutting process ( smt / smd, fiberoptic, magnet, polyester plastic etc
用於切割特殊對象( smt元件、 smd元件、光纖、磁體、聚脂等)的非標硬質合金刀具、氧化鋯陶瓷刀具。A diode pumped cr4 +, nd3 + : yag crystal self - q - switched laser is demonstrated with fiber coupled ld and the imaging system. the pulse laser with 1064 nm wavelength is obtained. the maximum average output power is 3. 36 w, and the pulse duration is 65 ns, and the repetition rate is 87 khz, the opto - optical efficiency is 15. 3 %, the slope efficiency is 23. 8 %
用光纖耦合輸出的ld ,通過成像系統會聚,對二極體泵浦的自調q激光器進行了實驗研究,得到了平均功率3 . 36w ,脈沖寬度65ns ,重復頻率87khz的1064nm脈沖激光。Pof : polymer optical fiber
聚合體光纖Pof polymer optical fiber
聚合體光纖A 0. 85um - or 1. 3um - led - lighted fiber optic humidity sensor based on a film of 40 ~ 100nm in thickness self - assembled on the end face of the fiber can work in the range of 1 ~ 100 % rh with a response time less than 1s. this novel humidity sensor can be used for monitoring human breathing - conditions. organic molecules including congo red, a derivative of copper phthalocyanine and a fullerol were self - assembled with polymers into multilayer thin films, and organic molecules with more than 4 charged groups exhibited satisfactory features for multilayer self - assembling
聚電解質pdda -聚染料ps - 119體系具有很好的自組裝性,多層復合膜無明確的層狀結構特徵,在宏觀上表現出單層光學塗層的特性,單層膜的厚度在納米量級且與聚電解質水溶液的濃度有關;薄膜具有濕敏特性,在光纖端面上組裝厚度為40 100nm的薄膜,採用0 . 85 m或1 . 3 m的led光源,可以製成光纖濕度傳感器,傳感器的工作區間為0 100 rh ,響應時間1s ,可以用於對人的呼吸監測。Based on computer, laser modulation, fiber coupling and microlens focusing technology, fiber coupled laser diode array is researched
摘要採用計算機控制技術、激光器調制技術、光纖耦合技術、微透鏡聚焦技術,研究了半導體激光器的線陣。分享友人