Propagation characteristics of the two-dimensional off-axial Hermite-cosh-Gaussian beams through rectangular apertured and misaligned optical systems

Propagation of a Lorentz-Gauss beam through a misaligned optical system

“…When the Lorentz-Gauss beam is used to describe the highly divergent beam, the three beam parameters should be optimized according to the practical conditions. Within the framework of the paraxial approximation, the propagation of a Lorentz-Gauss beam through a misaligned optical system can be written in terms of transfer matrix elements [8][9][10][11][12][13][14][15][16] …”

“…However, the research in a Lorentz-Gauss beam passing through a misaligned paraxial ABCD optical system has not been reported elsewhere. The effects of a misaligned paraxial optical system have been widely investigated [8][9][10][11][12][13][14][15][16]. The purpose of the present paper is just to study the propagation of a Lorentz-Gauss beam through a misaligned paraxial optical system.…”

The influence of misaligned holophote of the axisymmetric-fold-combination CO2 laser on phase locking

“…If more ASFC discharge tubes are added, much higher output power is obtained, but the structure of the device becomes complicated, and the requirement of the system is enhanced. Hence the line and angle misalignments [14,15] of holophote of the fold cavities must be taken into account. In this paper, we will analyze the influence of misalignment of cavity-mirror of ASFC CO 2 laser on phase locking and the values by correlative calculation and the output light intensity distributions are given.…”

Spectral shifts and spectral switches of a pulsed Gaussian beam from a rectangular aperture in the far field

“…Additionally, as proposed by Wen and Breazeale [17], the hard aperture function T (x 0 , y 0 ) can be expanded into a sum of finite complex Gaussian functions, i.e. where A , B denote the expansion and Gaussian coefficients, respectively, which can be obtained by optimisation computation [17,18] and are given in [17] (where N ¼ 10). Let us assume that a space-time-dependent Gaussian-shaped pulse incident upon the rectangular aperture takes the form…”