intensity modulator 中文意思是什麼
intensity modulator
解釋
亮度調制器-
In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector
瞬態時間分辨譜測量方法的主要思想：使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈，經色散后，以二維探測器接收並轉換光信號為電信號，用通用計算機控制採集並處理光譜數據。 -
The specifications of the intensity modulator at 1. 3 m involved with extinction ratio better than 25 db, and low drive voltage, and wide operation band width and so on
該強度調制器工作於1 . 3 m ，具有大於25db的消光比、低驅動電壓、寬工作帶寬的特點。 -
The specifications of the intensity modulator at 1. 054 m involved with extinction ratio better than 50 db, and low drive voltage, and wide operation band width and so on
該強度調制器工作於1 . 054 m ，具有大於50db的消光比、低驅動電壓、寬工作帶寬的特點。 -
As far the trend of fiber - optic communication systems is to obtain higher capacity, and higher transmission speed. the intensity modulator is widely applied to a lot of fields. it is necessary for the intensity modulator subject to the laser pulse rectification systems that should be provided with following performances as high speed signal transmission and quick response and so on
光纖通信向著大容量、高速寬帶方向發展，光纖延遲線系統要求強度調制器具有高速信號傳輸、快速響應的特點，因此以linbo _ 3為襯底材料的集成光學強度調制器具有十分良好的應用前景。 -
Based on optical waveguide theory and electro - optic effect, the structure of the intensity modulator, fabrication technique, and measurement technology are studied intensively
研究內容包括光波導理論、電光效應等基本理論研究，強度調制器結構的設計、工藝技術研究與設計、測試技術研究。 -
This modulator works with the guided - wave reflectance peak, in which the light intensity is changed by the variation of the refractive index of poled polymer due to the electro - optic effects. device performances have been theoretically and experimentally investigated. we also successfully carried out experiments of video signal transmission using the proposed modulator
該調制器工作于金屬包覆波導的衰減全反射導模吸收峰，利用極化聚合物電光材料的折射率對導模吸收的影響來實現電光調制，並對器件的性能指標進行了實驗研究，同時利用製作的反射型電光調制器進行了視頻信號良好地傳輸實驗。 -
So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better. two - section cascaded ln intensity modulator applied to laser pulse rectification is presented in this thesis. it is constituted with two - section m - z optical waveguide and cpw traveling - wave modulation electrode
本課題旨在研究以linbo _ 3為襯底材料、以兩級串聯m - z干涉型光波導結構為基礎、以cpw行波電極為調制電極、用於核爆模擬領域激光脈沖整形的集成光學強度調制器。 -
The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias
通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。 -
( 3 ) another method using liquid crystal spatial light modulator can control the small region of incident laser, which can change the intensity distribution and uniform temperature distribution. the related driver circuit of liquid crystal spatial light
（ 3 ）採用液晶空間光調制器方案實現溫度分佈均勻化通過液晶空間光調制器對入射光束不同位置的微小局部進行幅度調制，從而改變輸出光場分佈，達到均勻化的目的。 -
Based the research on the laser beam drift feedback control technique, analysing the beam drift and its frequency components, a laser beam directional stability method is studied in the thesis in detail, with its measurement and control circuit system that combines the laser beam intensity modulation and the beam drift feedback control technique. in this method, at first the laser beam intensity is modulated with the acoustooptic modulator, then the lock - in amplifier is applied to detect and demodulate the modulating signal, at last a feedback control signal is generated by the dsp control circuit at last, including : 1
本文在原有的激光光束漂移量反饋控制準直技術的基礎上，對光束漂移量信號的數據和頻譜進行了分析，重點研究了一種集聲光調制光強與光束漂移量反饋控制準直技術於一體的激光光束方向穩定方法及其測控電路系統，該方法通過聲光調制實現光強調制，接著通過鎖相放大電路檢測並解調調制信號，然後通過dsp控制電路進一步對光束的漂移量進行反饋控制。 -
The device is a synthetical applicating example of phase modulator, intensity modulator and directional coupler theory. the characters and fabricating process of linbo _ 3 optical waveguide, electrodes design principle, the influence of sio _ 2 dielectric buffer layer on the performance of the device and design principle of tapped power ( ratio ) are analyzed
該器件是相位調制、強度調制和定向耦合器理論綜合應用的典型，文章從理論上分析了linbo _ 3光波導的特點、製作工藝、電極設計原理、 sio _ 2介質緩沖層對器件性能的影響和抽頭功率的設計原理等。 -
Because of its excellent electro - optic effect, very short electro - optical response time, and wide transparent wavelength range, linbo _ 3 material meet the demands of low - loss, low drive voltage, high - speed and wide - band intensity modulator
由於linbo _ 3材料具有良好的電光效應、很短的電光響應時間、較寬的透明波長范圍，因而適合於制低損耗、低電壓、高速寬帶強度調制器。
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