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Bulk acousto-optic wavelength agile filter module for a wavelength-multiplexed optical scanner
1Photonic Information Processing Systems Laboratory, College of Optics and Photonics/Center for Research and Education in Optics and Lasers, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816-2700, USA.
Applied Optics
|May 11, 2005
Summary
A new acousto-optic tunable filter module enables high-speed wavelength selection for wavelength-multiplexed optical scanners (W-MOS). This fiber-connected device offers precise control over scanned laser beam power and wavelength, crucial for advanced optical scanning applications.
Area of Science:
- Optoelectronics
- Photonics
- Optical Engineering
Background:
- Wavelength-multiplexed optical scanners (W-MOS) require agile tunable sources for high-speed multi-beam scanning.
- Existing systems face limitations in speed, loss, and precise wavelength control.
Purpose of the Study:
- To propose and demonstrate a novel acousto-optic tunable filter module optimized for W-MOS applications.
- To achieve high-speed, low-loss, narrow-linewidth, and flexible wavelength selection.
- To enable controllable scanned laser beam power shaping.
Main Methods:
- Development of a fiber-connected acousto-optic tunable filter module.
- Utilizing radio frequency drive signal control for wavelength selection.
- Integration with an agile tunable source for multiwavelength generation.
Main Results:
- Demonstrated a fast 5.4-microsecond wavelength selection speed.
- Achieved a low 1.53-dB fiber-to-fiber optical insertion loss.
- Obtained a narrow 5.55-nm 3-dB spectral width within a 1500-1600 nm operational band.
Conclusions:
- The proposed module meets design specifications for W-MOS systems.
- The technology enables precise control over scanned beam characteristics.
- This advancement facilitates high-performance optical scanning applications.