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High-speed electromechanical shutter for vision research.

S Comtois¹, S Gagné

¹Department of Electrical and Computer Engineering, Université Laval, Québec, Canada. scomtois@gel.ulaval.ca

Medical & Biological Engineering & Computing

|June 15, 1999

Summary

Researchers developed a low-cost, high-speed electromechanical shutter utilizing a magnetic field and electronic control. This innovative shutter achieves opening and closing times under 200 microseconds for rapid light flash generation.

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Area of Science:

Engineering
Physics
Optics

Background:

High-speed shutters are crucial for applications requiring precise light control.
Existing shutter technologies can be expensive or lack the necessary speed.
The demand for faster and more cost-effective optical components is growing.

Purpose of the Study:

To design and develop a novel low-cost and high-speed electromechanical shutter.
To optimize shutter performance through a specially developed electronic control system.
To achieve rapid opening and closing times for efficient light flash generation.

Main Methods:

The design employs a small magnet actuated within a magnetic field.
A custom electronic control circuit was developed for precise operation.

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Performance was evaluated based on opening and closing times.

Main Results:

The electromechanical shutter demonstrates opening and closing times below 200 microseconds.
The overall time for generating light flashes is approximately 1 millisecond.
The design is characterized by its low cost and high operational speed.

Conclusions:

The developed electromechanical shutter offers a cost-effective solution for high-speed applications.
The specialized electronic control ensures optimal and rapid shutter operation.
This technology enables precise control of light flashes with millisecond timing.