optical interferometer 中文意思是什麼

optical interferometer 解釋
光干涉儀
  • optical : adj 眼的;視覺的;視力的;幫助視力的;光學(上)的。 optical activity 【物理學】旋光性。 an optic...
  • interferometer : n. 【物理學】干涉儀,干擾計。adj. -metric ,-etry n.
  1. This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology

    該多功能激光光電實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法,同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。
  2. Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer

    本文在分析了國內外不同干涉顯微系統的基礎上,根據干涉顯微測量方面的需求提出了採用偏振干涉和條紋掃描方式實時檢測波面位相的激光干涉顯微系統,提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路,然後介紹了條紋掃描波面位相實時檢測技術以及四步移相法,並在此基礎上完成了光學系統及相關的機械結構。
  3. The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers

    在被動激光偵察告警中,對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或視場內接收的背景光輻射很強時,脈沖激光信號到達探測器的能量很小,會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法,可對強烈背景光中的激光威脅信號進行探測和告警,並給出其波長參數。
  4. The main works and contributions achieved in this dissertation are concluded as follows : 1. based on the scalar diffraction theory, the mathematical model of optical configuration of transmissive grating interferometer is established. it indicats that moir interference fringes is affected by many parameters, such as grating pitch, light wavelength, light beam size and incidence angle, etc. the variation that the width, intensity, orientation and contrast of moir interference fringes along with every parameter is numerically analyzed

    主要的研究內容和所取得的成果可歸納如下: 1 .基於標量衍射理論,建立了透射式光柵干涉儀光路的數學模型,分析了透射式光柵干涉儀的莫爾干涉條紋與光柵柵距、光柵開口比、光波波長、光斑尺寸、光束入射角等多個參數的關系。
  5. A type of small - sized interferometer is reported, which makes use of the coupling of optical fiber and gradient index lens ( grin ) to form parallel light beams

    摘要介紹一種超小型光纖導光干涉儀,它利用光纖和自聚焦透鏡的耦合來形成平行光路,利用半反和全反光學膜片分光。
  6. A multifunctional laser interferometer which can be used to measure the three dimension microcosmic profile and roughness of optical component is introduced in this dissertation. it covers microscopy, polarized interferometry and real - time phase detection algorithms

    本文提出並實現了一種由光學顯微系統、偏振干涉技術和條紋掃描波面位相實時檢測技術相結合,集三維輪廓測量和粗糙度測量為一體的多功能激光數字化干涉顯微系統。
  7. The actively and passive mode - locked fiber ring laser and two types of photonic switching, slalom ( semiconductor laser amplifier loop mirror ) and uni ( ultrafast nonlinear interferometer ) were developed. this thesis presented the principle and the requirements for the optical of frequency - shift sampling module under common conditions

    研製了作為光取樣脈沖源的主動鎖模和被動鎖模光纖激光器;半導體光放大器環鏡及超高速非線性干涉儀的光子開關,並進行了頻差法光取樣、異步光取樣及基於時分光取樣的光子模數轉換的實驗研究。
  8. More attentions are taken to the applications of the interferometer for the quantificational and real - time measurements in the following aspects : the laser ' s wavefront, the homogeneity of laser bar, angle deviation of flatness optical components, and surface roughness

    重點研究了數字式波面干涉儀的應用,定量、實時測量了激光波前質量、激光棒波前畸變、利用波面計算錐體棱鏡角度、表面粗糙度等。
  9. Moreover, we propose some atom - optical elements based on the vccc, such as atomic funnel, atomic beam splitter and atomic interferometer. in the scheme of the uccc

    最後,利用v -型載流導體構建了多種原子光學器件,例如原子漏斗,原子分束器和原子干涉儀等。
  10. Then, the optical system and mechnical configuration of the interferometer are realized, which are based on phase detection algorithms and four - step algorithm. in the following work, we designed and realized a dc high voltage amplification circuit by mcu, which is used to driver pzt, and presented a new method to measure the nonlinearity of pzt

    設計並完成了精密移相的單片機控制用於壓電晶體驅動的高壓放大電路,並且提出了一種新穎的對工作狀態下壓電晶體非線性軟體校正的新方法,並得到了很好的實驗結果。
  11. In order to study the thermal performance and residual stress of microelectronic subassembly, in this paper, a newly optical interferometry method for 3 - d displacement measurement is developed based on wavefront interference theory. in which the moire interferometry provide the in - plane displacement, but the system is different from the conventional interferometry, the system applies the double diffraction of the specimen grating, the in - plane displacement sensitivity is a factor of 2 higher than that of the conventional moire interferometer. twyman / green interferometry method for out - of - plane displacement measurement is adapted, the advantages of the optical set - up are structure novelty, and the fringe patterns of the displacement fields shown high contrast and spatial resolution

    為了詳細研究試件的熱變形特徵以及殘余應力的影響作用,本文在波前干涉理論的基礎上,設計了一新型三維光學測試系統,該系統的平面位移測試基於雲紋干涉方法,但採用與普通雲紋干涉不同的光路系統,利用試件光柵和平面反射鏡組形成的兩次衍射,使平面位移干涉條紋倍增,測量靈敏度是普通雲紋干涉的2倍,系統的離面位移場測試採用泰曼格林干涉光路。
  12. In this thesis we analyze in detail the influence, created by random change of the optical wave polarization, on the output of the interferometer. then several principles of eliminating polarization - induced fading are introduced, and the principle that inserting two faraday rotator mirrors into the end of michelson fiber interferometer to eliminate the fading is analyzed in detail. this method can eliminate polarization - induced fading without additional signal processing, and make the output of the sensor stable

    其中,本文詳細分析了光波偏振態的隨機漂移對干涉儀輸出的影響,介紹了目前幾種消偏振衰落技術的原理,著重討論了在光纖michelson干涉儀末端加兩個法拉第旋轉鏡的消偏振衰落的原理,該方法不需要任何附加的信號處理就可以消除偏振衰落,使干涉儀輸出穩定。
  13. The reasonability of fadw designing should be proved experimentally, so this paper studies the various running properties of the fadw whose output window ' s size is 30mmx30mm experimentally. it uses the methods of the far - field beam profile measurement, the lateral shearing interferometer ( lsi ) and the hartmann - shack wavefront sensing to measure the window ' s optical qualities when the fadw works in the situations of different inlet total gas pressure

    夏克波前傳感器分別對現有的口徑為30mmx30mm的氣動窗口的光學特性和對輸出激光光束質量的影響進行了實驗測量和分析,同時建立了氣動窗口的性能測量的實驗方法,並分析了fadw對輸出激光影響的物理機制(如類透鏡效應等) 。
  14. Analysis of optical multiplexer demultiplexer based on cascaded nonbalanced mach - zehnder interferometer

    干涉儀型復用器特性分析
  15. In this thesis, optical couplers consisting of multimode interference ( mm ! ) coupler, y branch, directional coupler ( dc ) and mach zehnder interferometer ( mzi ) were analyzed and simulated

    本論文對各種平面波導型耦合器: mmi 、分支波導、定向耦合器和mach - zehnder進行了模擬和優化設計。
  16. Laser interferometer systems provide a means for probing the refractive index of transparent specimens subjected to dynamic compression. previous interferometer measurements of optical properties under shock loading are reviewed

    在國內首次分析利用加窗visar技術測試沖擊載荷下晶體折射率的理論,並建立了實驗測試技術與系統,對小於20gpa沖擊壓力下的lif晶體折射率進行了測量。
  17. Standard test method for strain gradient measurements of thin, reflecting films using an optical interferometer

    用光學干涉儀測量反射薄膜應變梯度的標準試驗方法
  18. Standard test method for residual strain measurements of thin, reflecting films using an optical interferometer

    用光學干涉儀測量反射薄膜殘余應力的標準試驗方法
  19. Standard test method for in - plane length measurements of thin, reflecting films using an optical interferometer

    用光學干涉儀測量反射薄膜共面長度的標準試驗方法
  20. Silicon - based silica optical waveguides have many excellent advantages such as simple structure and low loss, further more they are good materials for integrated optics and have good match with optical fibers. integrated devices on silicon - based silica planar optical waveguides have been widely used and play a more important role in optical communications. integrated silica waveguides with well defined core shapes provide an efficient means of controlling both the amplitude and phase of optical signals, are widely used in production of mach - zender optical interferometer, optical splitters, awg, thermooptic switches and various kinds of filters

    硅基sio _ 2光波導具有結構簡單、傳輸損耗低、易於集成、性能穩定等優點,並且能有效的與光纖耦合,是較理想的波導材料,而且其製作工藝可採用成熟的半導體微細加工技術,具有工藝簡單、重復性好、製作成本低等特點,所以這種波導日益受到人們的關注,成為光通信領域研究的熱點。
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