環形腔 的英文怎麼說
中文拼音 [huánxíngqiāng]
環形腔
英文
annular chamber-
In part two, the optical spatiotemporal pattern in ring optic cavity is investigated. using delay feedback with spatial perturbation method, the system shows roll, square, hexagon, homocentric circle, " honeycomb " and " snowflower " pattern with different spatial perturbation functions. different patterns can be coexist and compete each other with the same perturbation function, which is the new character of this optical system with delay feedback
第二部分，利用延時反饋的空間微擾方法研究了環形腔中二能級介質的光學時空斑圖的控制，在不同的微擾函數作用下，出現了滾筒狀、四方形、六角形、蜂窩狀、同心圓以及「雪花」狀等不同的斑圖，並且在相同的微擾函數下張勝海:博士學位論文出現了不同斑圖之間的競爭，這種競爭是我們發現的這一具有空間微擾的延時反饋非線性光學系統光學斑圖的新特徵。( l ) ill tlle second cllapter of this dissertation, the behaviors of the active liber resonators are studied by both theoretical and experimel1tal ways, when it is under the threshold
一、在本文第二章，對有源光纖環形腔在閾值以下的特性進行了理論分析和實驗研究。Just below threshold, consistel1t to theoretical analysis, there are numbers of comb - like narrow linewidth lights due to resonating of ifltr8 - cavity ase light. novel experimental results of the erbium - doped - fiber ring resonator behaviors operating near threshold are reported in the chapter
首先理論分析了當有源環形腔無注入光，且有源光纖環形腔在閾值以下時，由有源腔內ase輸出光表現出的腔輸出特性。We also propose a new subsidiary method for finesse measurement based on selfhomodyne by x m. using of resonating of the intra - cavity amplified spontaneous emission ( ase ) light, without extemal light source
同時提出利用腔內ase輸出光的線寬來測量有源光纖環形腔濾波器的精細度，而不需要注入光。( 2 ) ln the third chapter of this dissertation, the behaviors of intra - cavity amplified spontaneous emission ( ase ) light in the active fiber resonators are firstly studied by both theoretical and experiment8l ways, when it is operating near the threshold
二、在本文第三章中，研究無注入光時，通過分析腔內ase光輸出特性來研究有源光纖環形腔在近閾值點附近的濾波特性。It is a very good linear - polarization laser, and its output is characterized by obvious optical bistability
Jskhz以下，實現了真正意義上的可調諧環形腔單頻激光器。Femtosecond passively modelocked er3 doped fiber ring laser
飛秒被動鎖模環形腔摻er3光纖激光器The reaction of threshold on linewidth of ring ' s output light is pointed out. this provides a new auxiliary method to determine the threshold
最後提出一種利用有源腔內ase輸出光的線寬變化特徵來判斷有源光纖環形腔閾值點的輔助方法。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。Stable single - frequency and linear - polarization erbium doped fiber ring laser
窄線寬單頻線偏振摻鉺光纖環形腔激光器Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )
（ 3 ）研究不同色散遞減類型（拋物線遞減、線性遞減、指數遞減）光纖構成的環形腔中傳輸的特性，發現其色散曲線為指數遞減型光纖有利於皮秒光脈沖的傳輸與壓縮；而對于飛秒脈沖，由於三階色散（ tod ） 、脈沖拉曼自散射（ srs ）及自變陡（ ss ）等高階非線性效應的影響，情況恰恰相反；色散曲線為拋物線遞減型的光纖構成的光纖環最有利於脈沖傳輸與壓縮。So it becomes the most competitive new type of gyroscope. the interference fog is in the application process. the resonance fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide
與干涉式光纖陀螺相比，為達到同樣的靈敏度，諧振式光學陀螺需要的光纖或波導長度要短幾十倍，並可以進一步實現將環形腔、輸入輸出光路、調制器等集成在單片平面波導上，特別適合於研製微型光學陀螺。The resonation fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog. it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide. it fits the rmog very much, which stands for the trend of miniaturization of gyroscope
干涉式光纖陀螺已經進入實用化階段，與干涉式光纖陀螺相比，達到同樣的靈敏度，諧振式光學陀螺需要的光纖或波導長度要短得多，可以實現將環形腔、輸入輸出光路、調制器等在單片平面波導上的集成，特別適合於微型光學陀螺（ rmog ） ，代表將來陀螺小型化的發展趨勢。Based on the character of the eof gain at 1550 nm, a laser diode ( ld ) worked at 980 nm and acted as the pumping source, a eof employed as gain medium, and a fiber grating used as reflector, an ring - cavity all - fiber laser worked at 1562. 5 nm was demonstrated with an output power of 2. 0 mw and a bandwidth of 0
本文主要基於摻鉺光纖在1550nm波段的增益特性，利用帶尾纖的980nm半導體激光器作為泵浦源，鉺光纖作為增益介質，布拉格光纖光柵作為諧振腔反射鏡，實現了波長為1562 . 5nm的環形腔光纖激光器，得到了2mw的激光輸出。( 3 ). the theoretical analysis and the experimental study on an active mode - locked fiber laser are conducted. the harmonic mode - locked pulses of 2. 5ghz and 5ghz are achieved and the 2 - 4 order rational harmonic mode - locked pulses of 2. 5ghz are researched in active mode - locked erbium - doped fiber ring lasers
（ 3 ）對主動鎖模光纖激光器進行了理論分析和實驗研究，在主動鎖模摻鉺光纖環形腔激光器中實現了2 . 5ghz 、 5ghz的諧波鎖模，並在2 . 5ghz的調制頻率下獲得了二、三、四階的有理數諧波鎖模脈沖。Only when the length of ring cavity is below that value, relaxation oscillation happens, and frsl have good modulation response and large modulation bandwidth
只有當環形腔長度小於該臨界值時，激光器才發生弛豫振蕩，並具有理想的調制響應和大的調制帶寬。On the basis of rate equations of frsl, power characteristics and extinction ratio of the converted light are discussed. the relation between relaxation oscillation, small - signal modulation response, modulation bandwidth and the length of fiber ring cavity is analyzed also
根據frsl滿足的單模速率方程，討論了採用frsl進行波長轉換時轉換光的功率特性和消光比，以及frsl的弛豫振蕩特性、小信號調制響應、調制帶寬與光纖環形腔長度的關系。( 3 ) ln the fourth chapter of this dissertation, a tunable single - longitudinal - mode erbium doped fiber ring laser is achieved by using the very narrow bandpass characteristics of the self written grating formed in a section of erbium doped flber withoat undergoing pumping by stable standing wave in it. tl1e tunable laser ' s wavelength tuning range is 40nm, from l 523. 79llm to l563. 92nm
三、在本文第四章，利用駐波干涉和飽和吸收誘發的自寫入光纖光柵的窄帶濾波特性及反射波長自適應特性，研製成可調諧摻鉺光纖環形腔單頻激光器，其波長連續可調諧范圍達40nm （ 1523 . 79nm ?安激大學碩士學位論文摘要1563Based on the structure of all optical active fiber ring resonator, dual - tunable er3 + - doped optical fiber ring resonator filter is investigated by adding a tunable bandpass filter to change its wavelength. its finesse can also be tunable by adjusting the pump power. the wavelength tuning range of the dual - tunable fiber ring resonator filter is 39nm, from l526nm to l565nm
在基於摻鉺光纖環形腔結構基礎之上，通過在腔中加入的可調諧介質薄膜濾波器來選擇濾波波長，並通過調節泵浦功率來改變腔精細度，以實現一種濾波波長以及精細度雙可調諧的光纖環形腔結構窄帶濾波器。We also compared the effects of positive and negative third - order dispersion working with srs. the result shows that the effect of negative third order dispersion working with srs is more suitable for pulse propagation and compression. as a result, we proposed two methods to facilitate the propagation of optical pulse in nolm, and hence provided a theoretic guidance to the better design of eight - figure fiber laser
並且通過比較正、負三階色散分別與拉曼散射效應的相互作用對飛秒脈沖傳輸特性的影響，發現脈沖拉曼散射與負的三階色散相互作用更有利於飛秒脈沖的傳輸與壓縮，從而提出了改善了飛秒光脈沖在環形腔中的傳輸特性的兩種方法，進而為「 8 」字形光纖激光器的優化設計提供了理論指導。分享友人