Optoacoustic processing of large time-bandwidth signals
Applied Optics
|February 2, 2010
Summary
This study details optoacoustic processor techniques for high time-bandwidth products and extended storage times. Achieved near 10(4) time-bandwidth products and 1 msec storage, overcoming equipment limitations for advanced signal processing.
Area of Science:
- Optoacoustic signal processing
- Acousto-optic device engineering
Background:
- Optoacoustic processors offer potential for high-performance signal processing.
- Achieving high time-bandwidth products and long storage times are key challenges.
Purpose of the Study:
- To describe techniques for achieving time-bandwidth products near 10(4) and storage times up to 1 msec in optoacoustic processors.
- To investigate folded acoustic path designs in 2D and 3D.
- To present design limitations for these devices.
Main Methods:
- Investigated folded acoustic path designs in two and three dimensions.
- Explored techniques for enhancing time-bandwidth products and storage times.
- Designed and built several optoacoustic devices.
Main Results:
- Achieved time-bandwidth products near 10(4) and storage times up to 1 msec.
- Investigated 2D and 3D folded acoustic path designs.
- Identified design limitations impacting device performance.
Conclusions:
- The described techniques enable high time-bandwidth products and extended storage in optoacoustic processors.
- Folded acoustic path designs are crucial for device performance.
- Equipment limitations affected the tested performance of developed devices.
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