Related Experiment Videos
System modeling and optimization of Fourier holographic memory
Peter Várhegyi1, Pál Koppa, Ferenc Ujhelyi
1Department of Atomic Physics, Budapest University of Technology and Economics, Budafoki ut 8, Budapest, 1111, Hungary. pvarhe@math.bme.hu
Applied Optics
|June 3, 2005
Summary
A new model simulates holographic data storage, accounting for system features and material properties. This tool aids in optimizing data density and understanding storage medium tolerances.
Area of Science:
- Optics and photonics
- Data storage technologies
- Computational modeling
Background:
- Holographic data storage offers high density but requires accurate system modeling.
- Existing models may not fully capture essential physical phenomena like diffraction and material saturation.
Purpose of the Study:
- To introduce a novel, versatile Fast Fourier Transform (FFT)-based model for page-oriented holographic data storage systems.
- To provide a reliable simulation tool that incorporates key system and material characteristics.
Main Methods:
- Development of an FFT-based computational model.
- Modular design allowing for variations in system components and storage materials.
- Inclusion of physical effects such as diffraction, noise, and saturation.
Main Results:
- The model generates accurate output images, histograms, and bit-error rates.
- Demonstrated application in optimizing data density and reference beam size.
- Successful calculation of storage medium positioning tolerances based on experimental data.
Conclusions:
- The presented FFT-based model is a powerful and flexible tool for simulating holographic data storage.
- The model facilitates performance analysis and optimization of holographic storage systems.
- It enables precise determination of system parameters and storage medium requirements.