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Related Experiment Video

Updated: Jan 2, 2026

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography

Published on: July 24, 2020

Two dimensional non-scanning transform-free spatial-domain optical coherence tomography.

Yu-Kai Lin¹, Chun-Wei Chang¹, I-Jen Hsu¹

¹Department of Physics, Chung Yuan Christian University, Taoyuan 32023, Taiwan.

Biomedical Optics Express

|December 5, 2019

Summary

This summary is machine-generated.

A new optical coherence tomography system enables fast, two-dimensional imaging without Fourier transforms. This scanless technology simplifies tomographic imaging and measurement device development.

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Area of Science:

Biomedical Optics
Optical Imaging
Metrology

Background:

Optical Coherence Tomography (OCT) is a powerful imaging technique.
Traditional OCT systems often require complex Fourier transforms for image reconstruction.
Scanless OCT methods aim to improve imaging speed and system simplicity.

Purpose of the Study:

To propose and demonstrate a novel scanless two-dimensional optical coherence tomography system.
To achieve snapshot tomographic imaging without relying on Fourier transforms.
To develop a system suitable for compact tomographic imaging and measurement devices.

Main Methods:

Utilized a convex cylindrical mirror to create an extended spatial delay in the reference arm.
Employed a cylindrical lens to form a focused line beam in the sample arm.
Captured two-dimensional tomographic images using a charge-coupled device camera in a single snapshot.

Main Results:

Successfully demonstrated a scanless, two-dimensional OCT system.
Achieved snapshot imaging capability, eliminating the need for Fourier transforms.
The system exhibited a simple configuration and straightforward operation.

Conclusions:

The proposed scanless OCT system offers a simplified approach to tomographic imaging.
Its design is well-suited for the development of compact and efficient tomographic devices.
This technology has potential applications in various fields requiring rapid and simple tomographic measurements.