Zobrazeno 1 - 10
of 1 055
pro vyhledávání: '"H A, ten Have"'
Autor:
Boonkkamp, J. H. M. ten Thije, Mitra, K., Anthonissen, M. J. H., Kusch, L., Braam, P. A., IJzerman, W. L.
We present a systematic derivation of three mathematical models of increasing complexity for optical design, based on Hamilton's characteristic functions and conservation of luminous flux, and briefly explain the connection with the mathematical theo
Externí odkaz:
http://arxiv.org/abs/2411.00758
Autor:
Braam, P. A., Boonkkamp, J. H. M. ten Thije, Anthonissen, M. J. H., Beltman, R., IJzerman, W. L.
In this paper, we discuss a mathematical model for inverse freeform design of an optical system with two reflectors in which light transfers from a point source to a point target. In this model, the angular light intensity emitted from the point sour
Externí odkaz:
http://arxiv.org/abs/2411.00596
Publikováno v:
Journal of Mathematics in Industry, Vol 14, Iss 1, Pp 1-21 (2024)
Abstract Imaging systems are inherently prone to aberrations. We present an optimization method to design two-dimensional (2D) freeform reflectors that minimize aberrations for various parallel ray beams incident on the optical system. We iteratively
Externí odkaz:
https://doaj.org/article/e036b964e3d54300a051abf7f5b5e1c8
Autor:
Bertens, Maikel W. M. C., Anthonissen, Martijn J. H., Boonkkamp, Jan H. M. ten Thije, IJzerman, Wilbert L.
A least-squares method for solving the hyperbolic Monge-Amp\`ere equation with transport boundary condition is introduced. The method relies on an iterative procedure for the gradient of the solution, the so-called mapping. By formulating error funct
Externí odkaz:
http://arxiv.org/abs/2303.15459
We apply the Lie algebraic method to reflecting optical systems with plane-symmetric freeform mirrors. Using analytical ray-tracing equations we construct an optical map. The expansion of this map gives us the aberration coefficients in terms of init
Externí odkaz:
http://arxiv.org/abs/2302.03960
Autor:
Otten, S., Kario, A., Leferink, W. A. J. Wessel. J., Kate, H. H. J. ten, Daly, M., Hug, C., Sidorov, S., Brem, A., Auchmann, B., Studer, P., Tervoort, T.
Training of accelerator magnets is a costly and time consuming process. The number of training quenches must therefore be reduced to a minimum. We investigate training of impregnated Nb3Sn Rutherford cable in a small-scale experiment. The test involv
Externí odkaz:
http://arxiv.org/abs/2211.10213
Autor:
Geert Meermans, David Fawley, Luigi Zagra, René H. M. ten Broeke, Kory Johnson, Thierry Bernard, Henry Clayton Thomason
Publikováno v:
Journal of Orthopaedics and Traumatology, Vol 25, Iss 1, Pp 1-9 (2024)
Abstract Background Acetabular cup positioning in total hip arthroplasty (THA) is closely related to outcomes. The literature has suggested cup parameters defined by the Lewinnek safe zone; however, the validity of such measures is in question. Sever
Externí odkaz:
https://doaj.org/article/3977d4d2194c4df2bb92c2026ea868d9
We give a brief introduction to Hamiltonian optics and Lie algebraic methods. We use these methods to describe the operators governing light propagation, refraction and reflection in phase space. The method offers a systematic way to find aberration
Externí odkaz:
http://arxiv.org/abs/2206.05189
In this paper we propose a method to design a freeform lens including the effect of Fresnel reflections on the transmitted intensity. This method is elaborated for a lens with one freeform surface shaping a far-field target from a point source or col
Externí odkaz:
http://arxiv.org/abs/2202.07984
Autor:
Klyukhin, V. I., Ball, A., Berriaud, C. P., Bielert, E., Curé, B., Dudarev, A., Gaddi, A., Gerwig, H., Hervé, A., Mentink, M., Da Silva, H. Pais, Wagner, U., Kate, H. H. J. Ten
The conceptual design study of a hadron Future Circular hadron-hadron Collider (FCC-hh) with a center-of-mass energy of the order of 100 TeV assumes using in the experimental detector the superconducting magnetic system with a central magnetic flux d
Externí odkaz:
http://arxiv.org/abs/2201.07101