衍射光柵 的英文怎麼說
中文拼音 [yǎnshèguāngzhà]
衍射光柵
英文
diffraction grating-
The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.
光譜儀用了一塊凹面衍射光柵,第一級光譜的色散度為42埃毫米。We offer ruled and holographic diffraction gratings
我們提供常規和全息衍射光柵。In optics communications, integrated diffraction grating devices based on the planar lightwave circuit ( plc ) technology are one of the most important solutions for the wavelength division multiplexing ( wdm ) technology
在光通信領域,基於平面波導技術的集成型衍射光柵器件在密集波分復用系統中以其優異的性能成為了波分復用器件的主要發展方向之一。When polychromatic light reflects from or passes through a diffraction grating it is dispersed into many rays, each of a single wavelength or color
當多色光從衍射光柵反射或穿過衍射光柵時,就會分成多種發射光線,每一種都有各自的波長或顏色。Diffraction grating spectrograph
衍射光柵攝譜儀Then, the kirchhoff scalar diffraction theory is used to derive the scatter field of the edo grating and the simulation model is presented
並利用基爾霍夫標量衍射理論導出了edg光柵散射場的公式,建立了對蝕刻衍射光柵的模擬模型。The polarization - dependent diffraction characteristics of the metallic echelle and the total internal reflection ( tir ) types of diffraction gratings are studied, and optimal design method based on the hybrid diffraction method is presented
針對目前衍射光柵器件在損耗、偏振敏感性等方面的不足,本文對金屬反射型以及內全反射型凹面光柵的偏振相關的衍射特性進行了矢量分析,並基於混合衍射方法提出了更為準確有效的優化設計方法。The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating. to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air - slots, the three - focal - point method and the analytical method of spatial phase modulation, are introduced to achieve a passband - flattened diffraction grating device
針對實際光通信應用中對通帶帶寬的需求,本文提出了「結合空氣槽的漸變輸出波導結構方法」 、 「三焦點方法」及「顯式公式空間相位調製法」三種使平面集成型衍射光柵波分復用器件獲得平頂型頻譜響應的優化設計方法。Polarization dispersion analysis for etched diffraction grating demultiplexer
刻蝕衍射光柵解復用器的偏振色散分析A research on diffraction grating interferometer with high accuracy
高精度衍射光柵干涉儀的研製Basic parameters for diffraction grating
衍射光柵.基本參數Specification for diffraction grating
衍射光柵.技術條件The light is emitted by the laser diode and enters a diffraction grating
激光束從激光二極體中發出,射入衍射光柵。The second kind angular dispersion and the analysis of characteristics of diffraction grating
衍射光柵的第二類角色散及其特性分析Diffraction grating based devices are exerting a great impact on various fields in today ' s information era
衍射光柵型器件在當今信息時代中的應用正在日益增加。Plane diffraction grating, logarithmic amplifier and stable constant - current source are used in the system, thus the performance of the instrument is enhanced significantly and the cost is reduced
系統採用了平面衍射光柵、專用陣列探測器、對數放大器以及高穩定恆流源,有效地提高了儀器的整體性能,同時降低了生化分析儀的成本。Based on this simulation method, the following novel designs are developed : 1, the two - stigma design, which can reduce the aberrations and improve the imaging of the grating ; 2, the flat - field design, which can omit the output waveguides and make an edg easier tc fabricate ; 3, the passband flattening design, which can relax the requirements on wavelength control for lasers and filters in a wdm system ; 4, the reduced back - reflection design, which guarantees very little reflection light back into the input channel and improves the feature of the return loss
本論文以用於光通信中的平面集成蝕刻衍射光柵為研究對象,具體的分析了的它的工作原理和設計思想,並給出了設計中的經驗和方法。器件設計后需要進行性能計算和模擬以減小復雜的集成光器件製作試驗,本論文描述了計算蝕刻衍射光柵比較準確的模擬方法,其結果能夠很好的接近實際情況。基於這樣的模擬計算方法,本論文提出了改進蝕刻衍射光柵設計的幾種方法: 1As the key device of a dwdm system, etching diffraction grating ( edo ) is one of the most potential types of planar waveguide dwdm devices
作為波分復用中最關鍵的器件,蝕刻衍射光柵( edg )是平面波導密集波分復用器件中很有發展潛力的一種。Among all kinds of demultiplexers, etched diffraction gratings ( edgs ) are regarded as one of the most potential types of planar waveguide wdm devices. this phd thesis focuses on the design, simulation and fabrication of edgs for optical communications
蝕刻衍射光柵是採用平面波導技術製成的集成密集波分復用器件,它具有通道損耗低、串擾小、器件尺寸小、容易擴展通道、製作和封裝工藝相對簡單等優點。Comparation of spectrum characteristics between f - p interferencemeter with gain medium and diffraction grating spectrometer
干涉儀和衍射光柵光譜儀的光譜特性對比分享友人