caa a22 4500 445371528 CHVBK 20180317142948.0 cr unu---uuuuu 170323e20111101xx s 000 0 eng 10.1007/s00340-011-4661-6 doi (NATIONALLICENCE)springer-10.1007/s00340-011-4661-6 Intrinsic axes of partially coherent light beams and their invariance through rotationally symmetric ABCD optical systems [Elektronische Daten] [R. Martínez-Herrero, P. Mejías, M. Larraona-Puy, A. Manjavacas] New transverse orthogonal axes associated with the beam shape are introduced on the basis of the irradiance-moment formalism that describes the overall spatial structure of partially coherent paraxial beams. We refer to them as the intrinsic axes of the beam. The angle between these axes and the laboratory reference coordinates can be determined from the measurements of the second-order spatial moments of the beam, even although the field amplitude is not analytically known. It has been found that the intrinsic axes remain invariant upon propagation through rotationally symmetric first-order optical systems. Two additional analytical quantities have also been introduced. One of them provides a measure of the beam symmetry, and the other one contains information about the beam rotation under propagation. When the field is referred to the intrinsic axes, these two quantities are shown to reach their extreme values. The results are illustrated by means of an example. Springer-Verlag, 2011 Martínez-Herrero R. Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040, Madrid, Spain aut Mejías P. Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040, Madrid, Spain aut Larraona-Puy M. Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040, Madrid, Spain aut Manjavacas A. Instituto de Óptica, CSIC, Serrano 121, 28006, Madrid, Spain aut Applied Physics B Springer-Verlag 105/2(2011-11-01), 399-403 0946-2171 105:2<399 2011 105 340 https://doi.org/10.1007/s00340-011-4661-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00340-011-4661-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Martínez-Herrero R. Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040, Madrid, Spain aut NATIONALLICENCE 700 1- Mejías P. Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040, Madrid, Spain aut NATIONALLICENCE 700 1- Larraona-Puy M. Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040, Madrid, Spain aut NATIONALLICENCE 700 1- Manjavacas A. Instituto de Óptica, CSIC, Serrano 121, 28006, Madrid, Spain aut NATIONALLICENCE 773 0- Applied Physics B Springer-Verlag 105/2(2011-11-01), 399-403 0946-2171 105:2<399 2011 105 340 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer