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A hybrid Gerchberg–Saxton-like algorithm for DOE and CGH calculation
- Source :
- Optics and Lasers in Engineering. 89:109-115
- Publication Year :
- 2017
- Publisher :
- Elsevier BV, 2017.
-
Abstract
- The Gerchberg–Saxton (GS) algorithm is widely used in various disciplines of modern sciences and technologies where phase retrieval is required. However, this legendary algorithm most likely stagnates after a few iterations. Many efforts have been taken to improve this situation. Here we propose to introduce the strategy of gradient descent and weighting technique to the GS algorithm, and demonstrate it using two examples: design of a diffractive optical element (DOE) to achieve off-axis illumination in lithographic tools, and design of a computer generated hologram (CGH) for holographic display. Both numerical simulation and optical experiments are carried out for demonstration.
- Subjects :
- Computer simulation
Computer science
Mechanical Engineering
Holography
02 engineering and technology
021001 nanoscience & nanotechnology
Gerchberg–Saxton algorithm
01 natural sciences
Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Weighting
law.invention
010309 optics
law
0103 physical sciences
Holographic display
Electrical and Electronic Engineering
0210 nano-technology
Gradient descent
Phase retrieval
Algorithm
Subjects
Details
- ISSN :
- 01438166
- Volume :
- 89
- Database :
- OpenAIRE
- Journal :
- Optics and Lasers in Engineering
- Accession number :
- edsair.doi...........f441da843ed96e145108f2a8fef2d1d7