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宽谱光源
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  broadband light source
     Measuring the Beatlength of Polarization Maintaining Fiber by Broadband Light Source and Conoscopic Interference
     利用宽谱光源及偏光干涉测量保偏光纤拍长
短句来源
     A novel data processing method for demodulating the information from the interference spectrum of a white light extrinsic Fabry-Prot interferometer(EFPI) sensor system is presented. In the white light EFPI sensor system,an 850 nm LED is used as the broadband light source and a HR2000 high resolution miniature spectrometer is used to measure the interference spectrum.
     提出了一种新的白光非本征法布里珀罗干涉(EFPI)光纤传感系统的干涉谱处理方法,在白光法布里珀罗干涉光纤传感系统中,一个中心波长为850 nm的发光二极管(LED)作为宽谱光源,HR2000高分辨力微型光谱仪用来测量返回的干涉光谱。
短句来源
     The test system is composed of a broadband light source that is usually used in sensors such as the fiber optic gyroscope,two linear polarizers and the measured polarization maintaining fiber.
     利用光纤陀螺等光纤传感器常用的宽谱光源,以及2个性能一般的线偏振器件,与被测保偏光纤组成测试系统。
短句来源
  broad band optical source
     Optical Controlled Microwave Time Delay Technology Based on Broad Band Optical Source
     基于宽谱光源的光控微波延时技术
短句来源
  broadband source
     Study on Interrogation of Fiber Bragg Grating Sensors with a Broadband Source
     基于宽谱光源的光纤布喇格光栅传感器解调技术的研究
短句来源
     The thesis focuses on the study on interrogation of fiber Bragg grating (FBG)sensors with a broadband source.
     论文主要研究基于宽谱光源的光纤光栅传感器的解调技术。
短句来源
     Based on Wiener-Khinchin theorem,the coherence equation of broadband source has been derived and analysed.
     基于维纳-欣钦定理,推导出了宽谱光源干涉特性的表达式并进行了分析。
短句来源
  “宽谱光源”译为未确定词的双语例句
     Differential Measurement of Methane with Wide Spectrum Source based on F-P Filter
     基于F-P滤波器实现宽谱光源的甲烷差分检测
短句来源
     Rainbow holographic image reconstructed by spatially extended white light source
     对用空间扩展宽谱光源再现的彩虹全息像的分析
短句来源
     Simulation Research for Coherencecharacteristics of Broad-Band Sources
     宽谱光源光谱相干度的仿真研究
短句来源
     Experimentally Study on Coherence Characteristics of Broad band Sources
     宽谱光源干涉特性的实验研究
短句来源
     A prototype instrument based on whitelight interferometer to measure the spatial distribution of polarization coupling along polarizationmaintain fiber. LiNbO3 waveguide etc. has been developed.
     研制成功一台使用宽谱光源的“白光”干涉仪样机,用于检测保偏光纤、LiNbO3波导的空间分布偏振耦合,并将该方法用于光纤去偏器的质量检测。
短句来源
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  broadband light source
A broadband light source with a wavelength tunability range from 550 to 1800 nm is implemented through second-harmonic-and sum-frequency-generation transformation of the supercontinuum photonic-crystal fiber output.
      
Its output power is 1000 times as high as traditional broadband light source (BBS) and it can demodulate the signal by scanning wavelength in 30 nm of bandwidth range in the situation of 1550 nm central wavelength.
      
The diffraction characteristics of a broadband light source from a circular aperture in the near-field are clarified theoretically via prompt and precise mathematical derivation.
      
Cadmium-doped calcium sulphide has great potential as a broadband light source in both powder and thin film electroluminescent devices.
      
Noise analysis shows that the area integrated far-field method is superior to the strip integrated far-field method and similar to the 'far-field mask method' when a broadband light source is used to measure the far-field r.m.s.
      
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  broadband source
Based on the incident laser power and dispersion of PCF, super broadband source for multiplex CARS microscopy is designed.
      
In the prototype IFOG, open-loop configuration was applied, a single mode telecommunication optical fiber and an EDFA pumped by DFB laser emitting at 1549.0 nm were used as sensing coil and broadband source, respectively.
      
When light from a broadband source is used to illuminate the sensor, the spectra of light reflected from the Bragg grating contain two peaks corresponding to the two orthogonal polarization modes of the fiber.
      
A broadband source such as the Sun emits electromagnetic radiation throughout most of the electromagnetic spectrum, from radio waves to gamma rays.
      
A broadband source through the DUT, then into a broadband power meter, is a common method of measuring insertion loss.
      
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It is well known that rainbow holograms can be reconstructed by a spatially extened (rather than a point) white light source. But this fact coule not be explained by available theories [1-6]. In this paper, we propose a new concept "the effective width of extended source" that can explain the above fact successfully. The effective width omes from two limiting apertures, the skut and the viewer's pupil. These two apeurertsc make a rainbow hologram different from other holograms.

用空间扩展宽谱光源再现的彩虹全息像时,整个光源只在一定的光谱的和空间的“有效宽度”内起作用,本文在此概念的基础上,研究了光源的光谱扩展和空间扩展在其单独作用和联合作用时对全息像的影响。发现当两者联合作用时,对像质的总影响几乎与它们单独作用时一样。给出了用宽谱空间扩展光源所再现的彩虹全息像的分辨率,从而提出了一个实用的狭缝宽度。

The effects of spatial and spectral extension of light source on the rainbowholographic image in the directions parallel to the slit and along the optical axis have beencompleted in this paper.It shows that a strip white light source positioned perpendicularly tothe slit can be used to reconstruct rainbow holographic image without serious degradation of imagequality,the colority of image approaches white,the image brightness and the viewing area iflcreasewith increasing length of the light source,if the length...

The effects of spatial and spectral extension of light source on the rainbowholographic image in the directions parallel to the slit and along the optical axis have beencompleted in this paper.It shows that a strip white light source positioned perpendicularly tothe slit can be used to reconstruct rainbow holographic image without serious degradation of imagequality,the colority of image approaches white,the image brightness and the viewing area iflcreasewith increasing length of the light source,if the length and width of the source are within thelimitation given here.

本文讨论了光源的展宽在平行于狭缝的方向和轴向对再现像所产生的效应。说明了在一定条件下可使用沿垂直于狭缝方向放置的带状宽谱光源再现彩虹全息图,并给出了带状光源的长度和宽度的限制条件。同时分析了像的表观性质与光原展宽的关系,指出在使用带状光源时像的白度,亮度及可观察区域皆随着光源长度的增加而增加。

A prototype instrument based on whitelight interferometer to measure the spatial distribution of polarization coupling along polarizationmaintain fiber. LiNbO3 waveguide etc. has been developed. The quality of fiber depolarizer has beentested by this method.

研制成功一台使用宽谱光源的“白光”干涉仪样机,用于检测保偏光纤、LiNbO3波导的空间分布偏振耦合,并将该方法用于光纤去偏器的质量检测。

 
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