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Related Experiment Video

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Video-rate Scanning Confocal Microscopy and Microendoscopy

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A miniature reflective varifocal vector scanner.

Shahab Haidarian, Ulrike Wallrabe

|August 13, 2025

Summary

This summary is machine-generated.

This study presents a novel reflective optomechanical device that integrates scanning and focusing capabilities for 3D scanning applications. This multifunctional component enhances optical efficiency and simplifies system integration.

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Area of Science:

Optics and Photonics
Mechanical Engineering
Materials Science

Background:

Traditional optical systems use separate components for light manipulation tasks like scanning and focusing.
Integrating these functions into a single device offers advantages in compactness, efficiency, and ease of integration.

Purpose of the Study:

To develop a single, multifunctional reflective optomechanical device combining scanning and focusing capabilities.
To enable 3D scanning and dynamic beam control through a novel actuation mechanism.

Main Methods:

Design and fabrication of a reflective optomechanical device with integrated scanning and focusing functionalities.
Utilizing a non-resonant actuation mechanism for vector scanning and dynamic focusing.
Implementing precise out-of-plane displacement for piston mirror operation.

Main Results:

The device achieves combined scanning and focusing, enabling 3D scanning.
Demonstrated non-resonant vector scanning with up to ±3.5° mechanical tilt angles (14° field of view).
Achieved dynamic beam focusing with a focal power tuning range of ±16 m⁻¹ and piston mirror functionality.

Conclusions:

The developed optomechanical device successfully integrates multiple optical functions into a single component.
This multifunctional device offers a compact and efficient solution for advanced optical systems, including 3D scanning and beam shaping.