wavelength accuracy

A New Method of Wavelength Accuracy Calibration in Optical Spectrum Analyzer

光谱分析仪波长准确度校准新方法

Test method of wavelength accuracy and repeatability of model 960 fluorescence spectrophotometer

960型荧光分光光度计波长准确度及重复性的检定

Discussion on the interference optical filter wavelength accuracy

对干涉滤光片波长准确度的讨论

Improvement of wavelength accuracy of model 721 spectrophotometer

提高721型分光光度计波长准确度的方法

Research of Calibration for Output Wavelength Accuracy of Monochromator

单色仪输出波长准确度校准技术研究

A new test method for wavelength accuracy and repeatability of model 960 fluorescence spectrophotometer are introduced .

介绍一种检定960型荧光分光光度计波长准确度及重复性的新方法。

New method of wavelength accuracy calibration in Optical Spectrum Analyzer is introduced , its principle and implementation are described .

本文介绍了光谱分析仪波长准确度校准的一种新方法，详细阐述了其原理及具体实现。

Influence of Photo-Detecter Array on Resolution and Wavelength Accuracy of Spectrometer

光电阵列探测器对色散型光谱仪的光谱分辨极限及波长准确性的影响

The importance of subdivision technology for improving wavelength accuracy and precision of the monochromator is discussed .

讨论了细分技术对提高波长准确度及重复性的重要作用。

Factors influencing line image quality and wavelength accuracy are investigated and the method of compensating for wavelength errors is discussed .

同时，简要说明了影响谱线质量及波长读数精度的因素，并讨论了补偿波长读数误差的方法。

Discovering the uncertainty factors during the calibration such as sampling duration , wavelength accuracy and temperature controlling .

讨论了色温量值传递过程中采样间隔、波长准确性、温度控制等影响测量结果不确定度的主要因素。

The test result of spectral wavelength accuracy , spectral resolution , scene shift , imaging quality for this system is satisfactory .

对系统在光谱扫描精度、光谱分辨率、图像漂移、图像质量方面的性能进行测试都得到了良好的结果。

Resolving Power and Wavelength Accuracy of a Seya-Namioka VUV Monochromator

Seya-Nanioka系统真空紫外单色仪的分辨能力及波长读数精度

Radiance uniformity of a spherical radiator and photometric nonlinearity of measuring system as well as wavelength accuracy and stray radiation of the monochromator are tested .

检验了球形照明球的亮度均匀性、测量系统的线性性、单色仪的波长准确度和杂散辐射等参数。

Standard samples of polystyrene were adopted to correct wavelengths of the infrared spectrometer . The wavelength accuracy of the system is ± 0.5 cm ~ ( - 1 ) and the stability is 0.8 % .

以标准样品聚苯乙烯薄膜，对红外光谱检测系统进行波长校正，校正后波长的准确度达到±0.5cm~（-1），系统的稳定性可达到0.8%。

From the testing result , the wavelength accuracy of the micro fiber spectrometer is smaller than 1 nm . When the core diameter of fiber is 50 μ m , the spectrum band width can reach 1.31 nm .

实验表明，该微型光纤光谱仪的波长准确度小于1nm，在采用芯径为50μm的多模光纤时，光谱带宽可以达到1.31nm。

In addition , the optical lever system is used to improve the wavelength selecting accuracy and resolution of optical spectrum analyzer .

接着，提出利用光杠杆方法来提高光谱仪的波长精密调谐精度。

The results demonstrate that this system has a scanning range of 1 520-1 575 nm , the wavelength detection accuracy less than 2 pm with 1.5 Hz scanning frequency .

实验结果表明：系统在波长寻址范围为1520-1575nm内，扫描频率1.5Hz，波长分辨率可以达到2pm以下。

The accuracy in spectral measurement , for instance , photometric accuracy ( transmittance or reflectance ), wavelength abscissa accuracy and spectral resolution , is usually influenced by spectral instrument factors , such as slit width , scan speed and response time .

光谱仪器测试参数，如狭缝宽度、扫描速度和响应时间等对光谱测试精度例如测光精度（透过率或反射率）、波长精度和光谱分辨率等有很大的影响。

The system based on the diffraction of a moving grating can get 40.5 % light intensity for measurement and eliminate the effect of the included angle of two differential lights and light wavelength on measurement accuracy through the diffraction of another grating .

该系统通过一运动光栅的衍射，得到约40.5%的测量光强，用另一光栅的衍射消除两束差动光间的夹角以及光波长对测量精度的影响；

The experiments show that the measuring accuracy for interference fringes with this method is up to 1 / 10 - 1 / 20 wavelength and the measuring accuracy for film refractive index is more than 0.01 .

实验表明：该方法的干涉条纹测量精度达λ/10~λ/20，薄膜折射率测量精度可达0.01以上。

According to the method of turning the voltage signal into rectangle pulse to demodulate and calibrate the wavelength , very high accuracy and stability are attained and a wavelength demodulator that has been used extensively in large-scale multipoint monitor engineering is designed .

把信号电压整形为矩形脉冲信号进行解调和标定，用这种方法进行波长解调有很高的精度和稳定性，根据该方法设计的波长解调器已广泛应用于大型多点安全监测工程。

In the given reference wavelength range , wavelength of the tunable filter was calibrated by reference wavelength with high accuracy , and the relationship between the wavelength and the driving voltage was constructed , and Bragg wavelength of sensing FBG can be obtained with the linear interpolation method .

在参考波长区间，利用参考光栅的波长准确性高的特点，对滤波器输出波长进行校准，建立滤波器调谐波长与扫描电压的关系。传感光栅的Bragg波长可以通过线性插值求取。

Compared to the common-used wavelength calibration method , like polynomial fitting , the proposed wavelength calibration method can reach higher wavelength calibration accuracy .

与常用的基于多项式拟合的波长标定方法相比，参数拟合波长标定具有更高的波长标定精度。