Labview programming for swept-source full-field optical coherence tomography

Shoude Chang; Youxin Mao; Costel Flueraru

doi:10.1117/12.902703

31 August 2011 Labview programming for swept-source full-field optical coherence tomography

Shoude Chang, Youxin Mao, Costel Flueraru

Proceedings Volume 8007, Photonics North 2011; 800705 (2011) https://doi.org/10.1117/12.902703
Event: Photonics North 2011, 2011, Ottawa, Canada

Abstract

Full-field optical coherence tomography (FFOCT) acquires image data in parallel. It has a big advantage in high-speed imaging because 2-dimensional mechanical raster scanning in the sample arm, which is essentially needed in a common fiber-based OCT system, does not exist anymore. Swept-source FFOCT (SSFFOCT) further makes the system free of depth scanning that significantly increases the operation speed. National Instrument's LabVIEW is a powerful tool to fast develop optical-electronic systems which have motion/vision units, signal processing functions and easy-to-generate Graphic User Interface (GUI). In this paper, we describe the design and implementation of Labview program prepared for an SSFFOCT system. Basically, there are four modules of Labview programming in such a system: 1. Wavelength sweeping control; 2. Synchronized image grabbing; 3. SSFFOCT signal processing; 4. 3-dimensional tomogram displaying mode selection. A general graphic user interface is used to input the parameters and monitor all necessary data and curves. The tomographic images can be displayed at any given cutting direction. More details and examples are provided and discussed.

Citation Download Citation

Shoude Chang, Youxin Mao, and Costel Flueraru "Labview programming for swept-source full-field optical coherence tomography", Proc. SPIE 8007, Photonics North 2011, 800705 (31 August 2011); https://doi.org/10.1117/12.902703

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KEYWORDS

Optical coherence tomography

LabVIEW

Signal detection

3D image processing

Video

Wavelength tuning

Computer programming

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