center wavelength

Study on Optical Power Fluctuation Measurement in FBG Center Wavelength Detecting with Tunable Laser

FBG中心波长的可调谐光源法检测中光强起伏研究

And the band gap center wavelength ? 0 position remains unchanged .

而带隙中心波长？0位置基本不变。

Finally the relationship between corrosion rate and shift in center wavelength was calibrated by experiment .

最后通过实验标定了钢筋腐蚀率与光栅波长位移的关系。

Under - 60 ℃ the grating center wavelength falls sharply .

低于-60℃时，光栅中心波长急聚下降。

The maximum value of fiber Bragg grating center wavelength is only used as a threshold .

此时光纤光栅中心波长λB（t）最大值只是作为阀值使用。

A new independent tuning method of the center wavelength and the bandwidth of fiber grating is demonstrated .

提出了一种新型光纤光栅中心波长与带宽独立调谐方法。

Analysis of the Temperature Stability of Center Wavelength for the Thin Film Interleaver with Multicavity

多腔薄膜梳状滤波器中心波长温度稳定性分析

The optical transmission in the center wavelength is higher than 99 % . This means a very low insert loss .

在中心波长处，光传输超过99%，这意味着有很低的插损。

Symmetrical structure was used in optical design . Good resolution can be obtained including edge wavelength and center wavelength using this structure .

在光学设计中采用了对称式的设计，长波短波和中心波长都拥有很好的分辨率。

The stability of pass band center wavelength λ 0 of a filter is the most important performance parameter in its applications .

滤光片通带中心波长λ0的稳定性，是使用过程中最重要的性能参数。

Lattice constant and filling rate have great influence to some extent determines the band gap width , center wavelength .

晶格常数和填充率对光子晶体带隙的影响很大，从一定程度上决定了带隙的宽度，中心波长。

After the numerical simulation analysis , the rules how the written location , duty cycle and center wavelength influence have been got .

数值仿真分析后，得到了写入光栅的位置、占空比和中心波长对光谱的影响。

The reflective center wavelength of a fiber grating can be shifted by the strain and temperature changes to the fiber .

光纤光栅的反射中心波长会受应变和温度等参数的影响而偏移。

With the application to the laser , the property of output near the center wavelength is good , and the satisfying effect is gained .

并且应用到单管激光器上，在其中心波长附近输出特性良好，达到了比较满意的效果。

The repetition rate of these pulses was 30 kHz , and the center wavelength was 1053 nm .

重复频率均为30kHz，中心波长在1053nm。

Strain performance of FBG is tested experimentally , which proves that the center wavelength of FBG is linear to strain .

通过光纤布拉格光栅应变特性的测试实验，验证了光纤布拉格光栅中心反射波长与应变的线性关系；

The depolarization performance evolution with the order of quarter-wave plate , center wavelength and optical field direction of incident light is calculated .

对消偏性能随波片阶数、入射光中心波长和振动方向的变化作了数值计算。

The impact of pulse width , center wavelength and input peak power of the pump pulse on the red-shifted radiation is simulated and analyzed .

分析了泵浦脉冲的脉宽、泵浦波长、入射峰值功率对红移辐射的影响。

It is also found that the movement of center wavelength of FBG is approximately equal to the movement of resonance wavelength of FBG .

FBG中心波长漂移的应变灵敏度系数跟布喇格波长的应变灵敏度系数近似相等。

Combined with the emission spectrum of organic laser material , we can simulate the center wavelength , FWHM , emission intensity of organic lasers .

再结合材料的本征光谱，就可以计算出激光器件的中心波长、半高全宽和峰值强度。

The center wavelength is shifted to shorter wave , and there is no change in line width when thickness of defect mode is thinner .

当缺陷层厚度减小时，滤波器的中心波长向短波段移动而谱线宽度几乎保持不变；

The center wavelength of frequency-doubling laser is 536 . 0 nm and the emission linewidth is 1 . 4 nm .

倍频光中心波长为536.0nm，线宽为1.4mm。

Theanalysis on the temperature stability of center wavelength for the thin film interleaver with multicavity by Takahashi model is presented .

利用高桥模型详细分析了多腔薄膜梳状滤波器的中心波长温度稳定性问题。

From the experimental results , it is shown that the center wavelength of FBG temperature sensor with thin stainless steel tube package falls sharply at-60 ℃;

结果表明：细不锈钢管封装的FBG温度传感器的中心波长在-60℃时发生了突变，急剧下降；

A none-fading compensated signal could always get when a space of two wavelengthes was specially selected by adjusting the one center wavelength of the two sources .

实验中，固定一个波长，调整另一波长直至两波长达到特定间隔，此时在任意的偏置相位下均能获得没有衰落的补偿后的信号。

Measured with high-resolution FBG wavelength detection technique , the maximum measured deviation of the FBG center wavelength influenced by the fluctuation can reach 0.15 pm .

采用高分辨率的FBG中心波长检测技术测量发现，这种光功率波动起伏最大能够引起FBG中心波长0.15pm的测量偏差。

The experiment results of two kinds of FBG temperature sensors in identical conditions were compared by analyzing the variety properties of center wavelength from-70 ℃ to 0 ℃ .

实验研究了两种FBG温度传感器在-70~0℃的中心波长低温变化特性，比较了相同条件下两种FBG温度传感器的实验结果。

But in theory , new sidebands only appear at the short wavelength direction of the center wavelength , the gap between them is the problem we need to solve .

理论分析的结论是：横向振动时，只会在光栅中心波长的短波长方向出现新的反射边带，二者的偏差是我们需进一步解决的问题。

The relative shift of Bragg center wavelength increased linearly with the change of axial stress , radial stress or temperature , and it kept the linear relationship in a large range .

布喇格中心波长的偏移与轴向应力、径向应力和温度等变化量均呈极好的线性比例关系，且在较大的测量范围内一直保持线性关系。

And with the increase of the refractive index of defect layer , the center wavelength of defect mode position also shifted to lower frequency , while the peak transmission increases . 3 .

并且随着缺陷层折射率的增加，缺陷模的中心波长位置也向低频方向移动，同时透射峰值逐渐增大。