• 实验研究了厚度衍射光栅闪耀效率影响给出了铝膜厚度系数的最佳范围

    It also represents the influences of aluminum film thickness on blazed efficiencies of the ruling diffraction gratings and provides proper ranges of the thickness factors.

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  • 简述阶梯光栅基本原理天文学中的应用分析比较了阶梯光栅光谱仪普通平面闪耀光栅光谱仪区别

    The general theories behind echelle and its applications in astronomy are briefed, and the differences between echelle spectrograph and plane grating spectrograph are analyzed and compared.

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  • 理论分析实验测试证明工艺方法能够将MEMS闪耀光栅衍射效率提高10%左右

    Theoretical analysis and experiments have demonstrated that the technology can improve diffraction efficiency of MEMS blazed gratings for about 10% or so.

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  • 理论分析表明闪耀光栅谐振波长数目谐波增加而增加,因此可用于多波长斜光束高效耦合;

    Theoretical analysis shows that the number of working wavelength will increase with the increment of the harmonic number of the harmonic blazed grating.

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  • 玻璃楔形平板倾斜表面上加工锯齿闪耀光栅,在光栅表面镀相应的金属反射形成反射式闪耀光栅

    A reflective blazed grating is formed by making a toothed blazed grating on the oblique surface of a glass wedge-plate with proper metal coated.

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  • 提出设计了一种新型光学元件——反射式闪耀光栅楔形平板。

    A reflective blazed grating wedge-plate, a new optical element, is proposed and designed.

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  • 模拟结果显示8%5%纵横向相对误差范围内闪耀光栅具有良好分色效果

    The simulation results show that within the range of 8% longitudinal and 5% transverse relative error the blazed grating has a good dichroic effect.

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  • 讨论了放大级中寄生振荡成因,提出了放大级中放置闪耀光栅抑制常规寄生振荡的方法

    A method for suppressing the regular bands parasitic oscillation caused in the sequence laser amplification by placing a glaring grating is introduced.

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  • 进而从理论上讨论了平面反射闪耀光栅

    Then plane reflection blazed gratings are discussed theoretically.

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  • 放大所需闪耀光栅频率入射单色波长反比,波长越长,所需光栅频率越低。

    The needed frequency of the blazed grating is in inverse ratio of the incident wavelength. The longer the wavelength, the lower the grating frequency is.

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  • 介绍全息光栅图象全息光栅超环面全息光栅激光全患光栅闪耀全息光栅进展

    The new development of flat field holographic gratings, monographs holographic gratings, toroidal holographic gratings, laser holographic gratings and blazed holographic gratings are discussed.

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  • 提出了一种含有闪耀光栅CO激光器主副谐振腔结构。

    A composite resonator including glaring grating is introduced for co laser.

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  • 楔形玻璃平板表面加工闪耀光栅,即构成了光栅楔形平板,本文详细介绍了其工作原理。

    The grating wedge plate is formed by making flare grating on a wedge plate of glass.

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  • 指出非对称双级闪耀光栅实现莫尔条纹倍增理论实质,并简化了实现倍数光学细分手段

    The fundamentality of fringe multiplication in DMNG is pointed out. and the means to realize optical subdivision with high multiple is simplified.

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  • 回避了闪耀光栅制造困难降低光栅波分复用器件的制造难度成本

    The difficulty of producing the blazed gratings is avoided, and the difficulty and the cost of producing a grating type wave dividing multiplex device are reduced.

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  • 给出了紫外全息光栅闪耀特性分布曲线分析了三角槽形光栅顶角大小对衍射效率影响

    The efficiency curves of blazed characteristic of sinusoidal grating is presented. And the influence of apex angle on diffraction efficiency of triangle grating is debated.

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  • 为了增强点阵光栅全息闪耀效果获得奇妙的动态视觉效果,作者实验采用了项特有单元技术即光斑整形像元移位

    Two unique techniques, spot shaping and pixel shifting, are adopted for improving sparkling and kinetic visual effects of dot matrix hologram in our experiments.

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  • 介绍严格耦合理论分析闪耀光栅衍射特性方法

    Based on the rigorous coupled wave electromagnetic fields analysis method, the blazed grating diffraction characteristic was researched.

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  • 介绍严格耦合理论分析闪耀光栅衍射特性方法

    Based on the rigorous coupled wave electromagnetic fields analysis method, the blazed grating diffraction characteristic was researched.

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