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10 April 2007 Measurements of laser divergence without the analysis of the field of radiation
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Abstract
The two-channel optical circuit for measurement and the control of divergence of laser radiation over the sizes of the prints received in a plane of registration is considered. Analytical expressions for estimation of single and a solid angles and also for definition of divergence sign are presented. Experimental results are submitted. A few advantages are compared with the known circuit of a focal spot.
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Sergei G. Slavnov and Alexander P. Zhevlakov "Measurements of laser divergence without the analysis of the field of radiation", Proc. SPIE 6613, Laser Optics 2006: Wavefront Transformation and Laser Beam Control, 661307 (10 April 2007); https://doi.org/10.1117/12.739343
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