optical pulse 中文意思是什麼
optical pulse
解釋
光脈沖-
The system is also accurately calibrated so that each laser transmits its optical pulse at a known angle and uses satellites to calculate the exact real world position of the scanner
該系統還精確標定，使每一個激光傳輸的光脈沖在一個已知角和用途衛星計算出實際的現實世界中的地位的掃描器 -
Optical pulse compression using a nonlinear optical loop mirror constructed from step - decreasing - dispersion fiber
基於階梯色散漸減光纖環鏡的光脈沖壓縮方法 -
At present, signal pulses produced by directly modulated laser diodes have been used in optical fiber communication systems. the experiment reveals that the optical pulses from directly modulated laser diodes are far from gaussian and have near - rectangular temporal profiles with much sharper leading and trailing edges, and then a super - gaussian model, which assumes that an incident optical pulse has a super - gaussian profile, may be more suitable
但在實際的光通信系統中，人們常採用由直接調制半導體激光器產生的光脈沖作為信號脈沖，而實驗結果表明這種脈沖具有比高斯脈沖更為陡峭的前沿和后沿，其脈沖形狀更接近於超高斯分佈，並且通常還帶有一定量的啁啾。 -
The methods and principals of ultrashort optical pulse amplification based on single - mode fibers are reviewed, our latest research results in the field are introduced, and the future development trend of related research is discussed
摘要系統地綜述了基於單模光纖的超短光脈沖放大方法及原理，介紹了我們最近的研究結果，並對今後的發展方向進行了討論。 -
The methods and principals of ultrashort optical pulse amplification based on single - mode fibers are reviewed, our latest research. htm results in the field are introduced, and the future development trend of related research. htm is discussed
摘要系統地綜述了基於單模光纖的超短光脈沖放大方法及原理，介紹了我們最近的研究結果，並對今後的發展方向進行了討論。 -
3 ) coupled higher - order nonlinear schr ( ? ) dinger equations ( chnlse ), governing the evolution of two orthogonal polarization components of ultrashort optical pulse in birefringent fiber, are derived from the dispersion relation
3 ）從色散關系出發，推導了描述超短光脈沖不同偏振分量在雙折射光纖中傳輸特性的耦合高階非線性薛定諤方程（ chnlse ）與用多重尺度法得到的相同。 -
The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。 -
The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion
我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡（ nolm ）相結合的方案來對信號脈沖進行壓縮整形，模擬顯示，在調節系統合適參數的情況下，波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時，最後可以得到放大的高質量超簡訊號光脈沖；在基於soa的交叉增益調制（ xgm ）全光波長轉換中，採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低，波長向下轉換的距離和反轉光的峰值能量都得到明顯提高，降低了利用交叉增益調制（ xgm ）波長轉換中對波長精度的要求，從而提高了波長轉換的靈和性。 -
It ’ s known from the transportation function that the dispersion can only influence the phase of optical pulse ’ s spectrum, which can be easily described by a frequency transfer function
該方程表明:色散效應只會影響頻譜的相位，而對頻譜的強度分佈沒有影響，而且色散效應可以簡單的由傳遞函數表示出來。 -
Q - switching test of e - o modulator was carried out, the results displayed regular rectangular optical pulse figuration without any acoustic ringing, the leading and trailing edges is 5 ns
製作的電光開關的光斬波實驗，結果顯示出正常的矩形開關光脈沖，上升和下降沿都是5ns ，看不出任何振蕩現象。 -
It is well known that for an optical pulse, its distribution in time domain is infinite. but only a limited time window width t _ ( w ) may be selected in numerical calculations because of the limitation of the microcomputer. therefore, the selection of t _ ( w ) is also a key aspect that should be considered carefully in numerical simulations
基於此，本文提出了利用分步傅里葉方法計算光脈沖在光纖中傳輸時間窗口的選取方法，給出了正確模擬光脈沖通過不同長度的光纖后光脈沖的變化所要選取的時間窗口（即計算過程中所取的積分上下限之差） 。 -
The optical pulse amplification is a key technology in optical communication. soa is a important amplification element
光脈沖放大是光纖通信系統的關鍵技術之一，而soa是一種重要的放大元件。 -
Nonlinear propagation of optical pulse in laser amplifying medium
光脈沖在激光放大介質中的非線性傳播 -
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。 -
In this work, after giving the selective method of the time window width and the minimum time window width required for corrected calculations of optical pulse propagation in fibers, the shapes of various incident pulses after passing through different fiber lengths have been simulated by selecting different time window widths
在此基礎上，對不同的光脈沖在光纖中的傳輸進行了數值模擬，發現前人得出的超高斯光脈沖在光纖中傳輸會由於色散而產生脈沖形狀扭曲這一結論是錯誤的，並指出了錯誤的原因所在。 -
Based on the nonlinear schr ? dinger equation used to describe the normalized amplitude evolution in the fiber, the influence of the third - order dispersion on the transmission characteristics of super - gaussian optical pulse with different chirps in the fiber is studied numerically
摘要從光脈沖在光纖中傳播所滿足的非線性薛定諤方程出發，研究了三階色散對具有不同啁啾的超高斯脈沖在光纖中傳輸特性的影響。 -
The forming mechanism of crosstalks in the tdm system was analyzed theoretically, and the relationship between crosstalks and the extinction ratio of optical pulse modulator used in the tdm system was investigated. the interchannel and intrachannel crosstalks in the wdm system were discussed separately, and the contributions to crosstalks were appraised from architecture ’ s alteration, the finite isolation between channels in multiplexers or demultiplexers, and nonlinear effects in the system. noises in the large - scale multiplexing system were studied theoretically, and all kinds of factors were considered that have relation to noises, phase resolution, and dynamic range of the system, such as multiplexing channel number, the length of the transmission fiber, using in - line erbium - dropped fiber amplifiers or not, and so on
本文從理論上分析了光纖水聽器時分復用系統串擾的形成機理，分析了光脈沖調制器的消光比與系統串擾的關系;分別對光纖水聽器波分復用系統的異頻串擾和同頻串擾進行了理論分析，研究了光纖水聽器波分復用結構、波分復用器與解復用器隔離度等因素以及非線性效應對系統串擾的影響;對大規模光纖水聽器復用系統噪聲進行深入細致的理論分析，研究了系統噪聲、相位解析度、動態范圍與復用數目、傳輸光纖長度、中繼光纖放大器等諸多因素的關系。 -
The results show that the peak intensity of super - gaussian optical pulse becomes higher at the beginning, and the tail experiences a process of strengthening, and then weakening, which are different from gaussian optical pulse
數值模擬的結果表明，超高斯脈沖的波形演變和高斯脈沖有所不同，不但峰值能量經歷了一個上升的階段，而且拖尾振蕩在初始階段也經歷了一個增強減弱的過程。 -
Optical pulse generators
光脈沖產生設備 -
The optical pulse ’ s transportation in the single - mode optical fiber is elementarily researched in the paper
本文主要對單模光纖對于光脈沖的傳輸特性進行了初步研究。
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