Zobrazeno 1 - 10
of 4 218
pro vyhledávání: '"Fourier optics"'
Wavefront sensors have now become core components in the fields of metrology of optical systems, biomedical optics, and adaptive optics systems for astronomy. However, none of the designs used or proposed so far achieve simultaneously a high spatial
Externí odkaz:
http://arxiv.org/abs/2407.02925
Autor:
Henault, Francçois
Coronagraphy is an efficient technique for identifying and characterizing extra-solar planets orbiting in the habitable zone of their parent star. An important family of coronagraphs is based on amplitude or phase filters placed at an intermediate im
Externí odkaz:
http://arxiv.org/abs/2208.13482
Publikováno v:
Nanophotonics, Vol 13, Iss 6, Pp 841-858 (2024)
Standard optical characterization and spectroscopy techniques rely on the measurement of specular reflection, transmission, or emission at normal incidence. Although the usefulness of these methods is without question, they do not provide information
Externí odkaz:
https://doaj.org/article/9d7274fae25849b98272fb5bd26dde4d
Autor:
Mohammad Rezai, Jawad A. Salehi
Publikováno v:
IEEE Transactions on Quantum Engineering, Vol 5, Pp 1-11 (2024)
The light's image is the primary source of information carrier in nature. Indeed, a single photon's image possesses a vast information capacity that can be harnessed for quantum information processing. Our scheme for implementing quantum information
Externí odkaz:
https://doaj.org/article/8e646cb60dab4304b73bc69f4fc9db02
Autor:
Haoyan Kang, Hao Wang, Jiachi Ye, Zibo Hu, Jonathan K. George, Volker J. Sorger, Maria Solyanik-Gorgone, Behrouz Movahhed Nouri
Publikováno v:
Nanomaterials, Vol 14, Iss 15, p 1262 (2024)
Optical real-time data processing is advancing fields like tensor algebra acceleration, cryptography, and digital holography. This technology offers advantages such as reduced complexity through optical fast Fourier transform and passive dot-product
Externí odkaz:
https://doaj.org/article/b03a4d66aefd495c87108249664ef7c2
Autor:
Jiaqi Li, Huaijiang Yang
Publikováno v:
Photonics, Vol 11, Iss 7, p 668 (2024)
The numerical calculation of partially coherent imaging involves a fourfold integral, which is numerically complex and impracticable to be calculated directly. The use of coherent-mode decomposition (CMD) can make this problem more manageable but fin
Externí odkaz:
https://doaj.org/article/36fa3777d2bc4d20aac2879a7e797cb1
Publikováno v:
Results in Physics, Vol 56, Iss , Pp 107217- (2024)
By utilizing the Fourier transform, we present a practical method for evaluating a function of a derivative applied to any other arbitrary function of a single complex variable. As an illustration of this approach, we compute the actions of the displ
Externí odkaz:
https://doaj.org/article/3ff3af3b76ff44298303e958dd3de059
Autor:
Mohammad Rezai, Jawad A. Salehi
Publikováno v:
IEEE Transactions on Quantum Engineering, Vol 4, Pp 1-22 (2023)
All-quantum signal processing techniques are at the core of the successful advancement of most information-based quantum technologies. This article develops coherent and comprehensive methodologies and mathematical models to describe Fourier optical
Externí odkaz:
https://doaj.org/article/f318caabc8774662974421cf750e9d09
Autor:
Dong Wei, Taketo Miura
Publikováno v:
Results in Optics, Vol 13, Iss , Pp 100511- (2023)
We propose a novel approach to address the problem of measurement accuracy in analyzing the distance between the peak positions of interference envelopes in multi-pulse train (MPT) interferometry. In the frequency domain, a bandpass filter cannot rem
Externí odkaz:
https://doaj.org/article/583f66514d144fee92dc38c06667c3ec