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Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
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Extreme angle, tip-tilt MEMS micromirror enabling full hemispheric, quasi-static optical coverage
Optics Express
|June 6, 2019
Summary
This study introduces a novel magnetic MEMS mirror offering extreme tilt angles and fast settling times. This advanced microelectromechanical system mirror overcomes previous limitations in speed and angular range for optical applications.
Area of Science:
- Optics and Photonics
- Microelectromechanical Systems (MEMS)
Background:
- Beam steering is crucial for optical systems like communication, LIDAR, and imaging.
- Traditional Microelectromechanical System (MEMS) mirrors face tradeoffs between tilt angle and speed.
- Resonant scanning in MEMS mirrors achieves large angles but sacrifices quasi-static performance.
Purpose of the Study:
- To present a novel magnetic MEMS mirror design.
- To achieve extreme quasi-static tilt angles and high-speed performance.
- To enable new applications previously limited by MEMS mirror capabilities.
Main Methods:
- Development of a magnetic Microelectromechanical System (MEMS) mirror.
- Implementation of advanced drive techniques for enhanced performance.
- Characterization of mechanical tilt angles and settling times.
Main Results:
- Achieved extreme quasi-static mechanical tilt angles of ±60° (±120° optical) about two axes.
- Demonstrated fast settling time of 4.5 ms.
- Enabled full hemispheric optical coverage without compromising speed.
Conclusions:
- The magnetic MEMS mirror overcomes traditional limitations in angular range and speed.
- This technology facilitates new applications in optical communication, LIDAR, and imaging.
- The device offers a unique combination of large tilt angles and rapid response for MEMS mirrors.
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