Accuracy of laser beam center and width calculations

Giovanni Mana; Enrico Massa; Alessandro Rovera

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Accuracy of laser beam center and width calculations

机译：激光束中心和宽度计算的准确性

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The application of lasers in high-precision measurements and the demand for accuracy make the planewave model of laser beams unsatisfactory. Measurements of the variance of the transverse components of the photon impulse are essential for wavelength determination. Accuracy evaluation of the relevant calculations is thus an integral part of the assessment of the wavelength of stabilized-laser radiation. We present a propagation-of-error analysis on variance calculations when digitized intensity profiles are obtained by means of silicon video cameras. Image clipping criteria are obtained that maximize the accuracy of the computed result.

机译：激光在高精度测量中的应用以及对精度的要求使得激光束的平面波模型不能令人满意。测量光子脉冲的横向分量的方差对于确定波长至关重要。因此，相关计算的准确性评估是稳定激光辐射波长评估的组成部分。当通过硅摄像机获得数字化强度分布图时，我们将介绍方差计算的误差传播分析。获得图像裁剪标准，以最大程度地提高计算结果的准确性。

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《Applied optics》 |2001年第9期|共8页
作者
Giovanni Mana; Enrico Massa; Alessandro Rovera;
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正文语种 eng
中图分类光学;
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1. Accuracy of laser beam center and width calculations [J] . Giovanni Mana, Enrico Massa, Alessandro Rovera Applied optics . 2001,第9期

机译：激光束中心和宽度计算的准确性
2. Improve accuracy of laser beam width measurement using a genetic algorithm [J] . Zuojun Tan, Dejia Hou Optics and Lasers in Engineering . 2009,第11期

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3. Effects of incident beam deviation from the center of a cat's eye retro-reflector on the measurement accuracy of a laser tracing system [J] . Chen HongFang, Tang Liang, Zhang Shuang, Optics and Lasers in Engineering . 2021,第Feba期

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4. Numerical Analysis of Laser Beam Width and Beam Quality of Q-Switched Lasers Using Different Definitions of the Beam Width [C] . Ajer, H. . 2001

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Accuracy of laser beam center and width calculations

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