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Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points
Published on: March 2, 2011
High-dynamic-range hybrid analog-digital control broadband optical spectral processor using micromirror and
Nabeel A Riza1, Syed Azer Reza
1Photonic Information Processing Systems Laboratory, The College of Optics/Center for Research and Education in Optics and Lasers (CREOL), University of Central Florida, Orlando, FL 32816-2700, USA. riza@creol.ucf.edu
This study introduces a novel programmable spectral filtering processor combining analog acousto-optic tunable filters and digital micromirror devices. This hybrid approach offers enhanced versatility for applications in biomedical testing and fiber optic communications.
Area of Science:
- Optoelectronics
- Photonics
- Signal Processing
Background:
- Spectral filtering is crucial for optical signal processing.
- Existing analog or digital processors have limitations in versatility and dynamic range.
Purpose of the Study:
- To design and demonstrate a novel programmable spectral filtering processor.
- To leverage a hybrid analog-digital approach for enhanced functionality.
Main Methods:
- Integration of an acousto-optic tunable filter (analog) with a digital micromirror device (digital).
- Development of a hybrid spectral control mechanism.
Main Results:
- Demonstration of a programmable spectral filtering processor for the first time.
- Achieved a 50 dB attenuation dynamic range across the ~C band (1530-1565 nm).
- Exhibited greater versatility compared to analog- or digital-only systems.
Conclusions:
- The hybrid analog-digital processor offers superior versatility.
- Potential applications include biomedical test instruments and fiber communication equalizers.
