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Iterative Fourier transform algorithm: comparison of various approaches
A convergence of various approaches within the iterative Fourier transform algorithm is analysed for the case of phase-only diffractive optical elements with quantized phase levels (either binary or multilevel structures). ...
BH - Optika, masery a lasery
- 2002 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Convergence Studies of the Iterative Fourier Transform Algorithm
Not available...
BH - Optika, masery a lasery
- 2001 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Using global optimization approaches to reconstruct radiation patterns
optimization isused to find an initial estimation. Second, a common Fourier iterative algorithm is created to iteratively improve the initial estimation. The genetic algorithm and the particle swarm optim...
JA - Elektronika a optoelektronika, elektrotechnika
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
A comparative study on low-memory iterative solvers for FFT-based homogenization of periodic media
In this paper, we assess the performance of four iterative algorithms of linear equations can be solved by general-purpose iterative algorithms for symmetric to the Chebyshev semi-iteration. The Richardson...
JI - Kompositní materiály
- 2016 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Holographic Optical Tweezer Driven with Real-Time Multi-Focus Iterative Fourier Transform Algorithm
Holographic optical tweezer is presented based on the liquid crystal spatial light modulator operated in phase-only regime. Synthetic diffractive structures projected on this modulator are generated using new real-time multi-focus iterative ...
BH - Optika, masery a lasery
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Application of Iterative Fourier Method in Cylindrical Phaseless Antenna Measurement Technique
The Fourier iterative algorithm (FIA) is a well-known planar phase retrieval method. The algorithm uses conventional amplitude measurements on two surfaces placed in different distances from the measured antenna. ...
JA - Elektronika a optoelektronika, elektrotechnika
- 2012 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Using global optimization to reconstruct phase distribution on antenna's aperture from only amplitude measurements
estimation is found by using a global optimization and subsequent a common Fourier iterative algorithm is used to find the final solution. The genetic algorithm was chosen......
JA - Elektronika a optoelektronika, elektrotechnika
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
Design of Rotationally Symmetric Beam Shapers Using IFTA
Design of rotationally symmetric synthetic diffractive elements is observed on the base of the iterative Fourier transform algorithm and discrete Hankel transform. New approaches to the iterative loop are presented...
BH - Optika, masery a lasery
- 2006 •
- A
Rok uplatnění
A - Audiovizuální tvorba
Design of Rotationally Symmetric Beam Shapers Using IFTA
Design of rotationally symmetric synthetic diffractive elements is observed on the base of the iterative Fourier transform algorithm and discrete Hankel transform. New approaches to the iterative loop are presented...
BH - Optika, masery a lasery
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
Error Analysis of Phase Retrieval Method Combining Global and Local Approaches
This paper deals with an error analysis of the phase retrieval algorithm combining the minimization method based on global optimization and the iterative method representing the local approach. The method exploits amplitude measurem...
JA - Elektronika a optoelektronika, elektrotechnika
- 2013 •
- D
Rok uplatnění
D - Stať ve sborníku
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