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- Based on the theory of Zeeman effect and free spectral range of Fabry-Parot etalon, asimple method for measuring wave number defference and specific charge is designed. 根据原子光谱线在外磁场中的分裂特点和法布里-珀罗标准具的自由光谱范围,导出了一种在塞曼效应实验中测量分裂谱线波数差和电子荷质比的简单方法,并给出了应用实例。
- In the second part, the basic principle of theAWG is discussed, then the grating equation of the AWG as well as theangular dispersion, free spectral range (FSR) and frequency response arededuced in theory. 因此,许多研究者开始研究硅基聚合物 AWG 器件,这种器件具有价格便宜、工艺简单、折射率调整容易、透明性好、偏振不灵敏以及热稳定性好等优点,使其在与无机材料 AWG 器件的竞争中处于有利的地位。
- In his paper the influence of gain medium on three spectrum parameters (fineness, chromatic resolving power, free spectral range) characteristics of Fabry-Perot interferometer is discussed. 摘要本文讨论了增益介质对法布里-珀罗干涉仪(F-P干涉仪)的三个光谱参数:锐度、色分辨本领和自由光谱范围的影响。
- free spectral range 自由光谱区
- Its transmission characteristics, width of passband, free spectral rang and fineness are analysed by a coupled-mode theory.Also, We applied the filter to the FDM-FSK system and achieved good results. 并把它用在以频移键控(FSK)方式调制的频分复用系统中,得到了比较理想的结果。
- The single-ring filters are designed to have free spectral ranges ( FSR's) of 33.3GHz, 40GHz and 50GHz. The FSR's of double-ring filters are 100GHz and 200GHz. The splitting ratios of the 9- 中文摘要本论文为研制环型共振滤波器,也包括了对多模干涉耦合器及弯曲波导做一些探讨。
- The rule of thumb is this: The higher the starting wavelength, the more truncated the spectral range. 变化规则是:起始波长越大,光谱覆盖范围被截去得就越多。
- The spectral range for Grating #H6, #H7, #H9, #H10, #H11 and #H12 varies according to the starting wavelength range. 12号光栅的光谱覆盖范围随其始波长范围变化。
- Divide the Spectral Range of the Grating by the Number of Detector Elements. The resulting value is the Dispersion. 按探测器元件数量分光栅的光谱覆盖范围。结果值是色散。
- Our CG-series Spectrometers use our proprietary grating to provide a 200-1100 nm range. Excellent optical resolution across broad spectral range. CG系列分光计采用特用光栅,精度在200-1100纳米间。在较宽的光谱频域上都具有卓越的光分辨率。
- With the greater availability of lithium fluoride prisms, the use of this spectral range will probably be considerably extended. 由于更多地使用氟化锂棱镜,这个光谱区域的应用可能会有更大的发展。
- This system is used for monitoring and controlling the thin-film depositing procedure by real time measuring the transmittance and/or reflectance in broad spectral range. 通过在线测量膜层的光谱透射比或反射比对光学膜系进行监控。
- Medium in which the transmission is mainly regular and which usually has a high regular transmittance in the spectral range of interest. 主要通过规则传输来传播可见辐射的媒质,通常在感兴趣的光谱范围之内具有高规则透过率。
- An instrument system for atmospheric transmittance by measuring solar irradiance in the visible and near-infrared spectral range was developed. 通过测量太阳辐射值计算整层大气透过率的方法简单易行且精度高。
- Recently, pulses with 4fs duration have been generated by noncollinear phase-matched optical parametric amplifier pumped by 400nm in BBO crystal in the visible spectral range. 目前,通过400nm泵浦的BBO晶体非共线I类相位匹配光参量放大获取的最窄脉冲已达4fs。
- This approach has several advantages, including narrowing of spectral bands, simplification of conventional fluorescence spectra, contraction of the spectral range and so on. 通过分析大量油气的固定波长同步荧光光谱,提出不同性质油气的荧光光谱特征。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- In this way, it is possible to pick out two quite different spectral ranges from one and the same seismometer. 这样,一台地震计就能拾取两种截然不同的频谱范围。
- Carbon nanotubes(CNTs) is a good optical limiter with small threshold, broad spectral ranges and fast response. 碳纳米管是一种优良的光限制材料,具有光限制阈值低、限制光谱范围宽、响应时间短等特点。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。