Yazar "Hasanoğlu, Elman" için listeleme
-
Asymptotic solutions of love wave propagation in a covered half-space with inhomogeneous initial stresses G(3)(1)
Hasanoğlu, Elman; Negin, Masoud (Işık University Press, 2015)The dispersive behavior of Love waves in an elastic half-space substrate covered by an elastic layer under the effect of inhomogeneous initial stresses has been investigated. Classical linearized theory of elastic waves ... -
Asymptotic solutions of seismic surface waves near caustics
Negin, Masoud (Işık Üniversitesi, 2014-06-06)The dispersive behavior of Love waves in an elastic half-space substrate covered by an elastic layer under the effect of inhomogeneous initial stresses has been investigated. Classical linearized theory of elastic waves ... -
Beam tracing theory in Minkowski space
Hasanoğlu, Elman (IEEE, 2011)This paper provides a novel approach to beam theory in homogeneous lossless mediun. The main idea is to interpret the classic eikonal equation in three dimensional Minkowski space. -
Book Review: Oktay Veliyev. Multidimensional Periodic Schrödinger Operator (Perturbation Theory and Applications)
Hasanoğlu, Elman (Işık University Press, 2015)[No abstract available] -
Complex and real rays in three dimensional Minkowski space
Hasanoğlu, Elman (IEEE, 2002)A new approach to the theory of complex rays is proposed. It is shown that the Minkowski space is more appropriate for describing these rays than the usual, Euclidian spaces. Some illustrative examples are represented. -
A method for calculating profiles of a dielectric thick lenses
Hasanoğlu, Elman (IEEE, 2001)Hasanov and Polat (see International Journal of Electronics and Communications (AEO), vol.54, no.2, p.109-113, 2000) investigated the transformation of a plane wavefront to another plane wavefront after passing through a ... -
A new form of Kakutani fixed point theorem and intersection theorem with applications
Farajzadeh, Ali P.; Zanganehmehr, Parastoo; Hasanoğlu, Elman (Ministry Communications & High Technologies, 2021)The first aim of this paper is to extend the Kakutani's fixed point theorem from locally convex topological vector spaces to linear topological spaces. The second goal is to present sufficient conditions under which the ... -
A new theory of complex rays
Hasanoğlu, Elman (Oxford Univ Press, 2004-12)A new approach to the theory of complex rays is presented. It is shown that the three-dimensional Minkowski space, the variant of the well known four-dimensional space-time Minkowski space of the special theory of relativity, ... -
On complex solutions of the eikonal equation
Hasanoğlu, Elman (IEEE, 2007)In this paper a new approach of complex rays in an inhomogeneous medium is presented. Complex rays are complex solutions of the eikonal equation, the main equation of the geometical optics. It is shown that solving the ... -
On the realization of optical mappings and transformation of amplitudes by means of an aspherical "thick" lens
Hasanoğlu, Elman; Polat, Burak Deniz (Gustav Fischer Verlag, 2000)The constraints for the realization of a given optical mapping by means of an aspherical ''thick" lens are investigated by using the laws of geometrical optics. The analysis yields us a partial differential equation which ... -
Two reflector non symmetric shaped antenna systems
Hasanoğlu, Elman (IEEE, 2000)Two reflector antenna systems with non symmetric reflecting surfaces under GO approximation are investigated. It is shown, that the problem of forming desired far field pattern leades to solving the system of partial ...