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Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

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Nanophotonic projection system.

Firooz Aflatouni, Behrooz Abiri, Angad Rekhi

|September 15, 2015

Summary

This summary is machine-generated.

This study introduces a low-power integrated projection system using a 2D optical phased array. This technology enables fast beam steering for high-resolution projectors in mobile devices and 3D imaging systems.

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Area of Science:

Optoelectronics
Integrated photonics
Display technology

Background:

Low-power integrated projection is crucial for developing affordable mobile devices with high-resolution projectors.
Applications include low-cost 3D imaging and holography systems.

Purpose of the Study:

To report an integrated projection system utilizing a two-dimensional optical phased array.
To demonstrate fast beam steering capabilities for advanced imaging applications.

Main Methods:

Utilized forward-biased p-i-n phase modulators with a 200MHz bandwidth for rapid phase control.
Implemented an optimization algorithm to mitigate phase-dependent attenuation in p-i-n modulators.
Employed a rapid vector scanning technique for image formation.

Main Results:

Successfully formed and recorded images within a single snapshot using an IR camera.
Demonstrated the effectiveness of the integrated projection system with fast beam steering.

Conclusions:

The developed integrated projection system offers a viable solution for low-cost, high-resolution projection.
The fast beam steering capability opens avenues for real-time 3D imaging and holographic applications.