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Related Experiment Video

Updated: Jun 14, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

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Published on: August 4, 2018

High resolution optical ranging system.

H Park, M Chodorow, R Kompfner

|March 25, 2010

Summary

This summary is machine-generated.

This study demonstrates an optical ranging system capable of seeing through opaque materials using picosecond pulses and a fast optical gate. The technology achieves high resolution and could penetrate human tissue, enabling new imaging possibilities.

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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

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Published on: January 7, 2019

Area of Science:

Optics and Photonics
Biomedical Imaging
Laser Technology

Background:

Conventional optical imaging is limited by scattering in opaque materials.
Need for non-invasive imaging techniques with high resolution.

Purpose of the Study:

To demonstrate an optical ranging system that can penetrate opaque materials.
To achieve high spatial resolution in imaging through scattering media.

Main Methods:

Utilized picosecond pulses from a mode-locked dye laser for illumination.
Employed a frequency-offset pulse train as a fast optical gate with variable delay.
Detected reflections from targets within opaque mixtures.

Main Results:

Successfully detected a mirror reflection through an opaque mixture with 64-dB round-trip loss.
Achieved a range resolution of 1.7 mm and transverse resolution of 0.1 mm.
Demonstrated a potential depth of penetration equivalent to 0.67 cm in human tissue.

Conclusions:

The developed optical ranging system effectively images through opaque materials.
The system offers high resolution and significant penetration depth, with potential for biomedical applications.
Future modifications could enable scanning capabilities for comprehensive imaging.