Swept-source optical coherence tomography microsystem with an integrated Mirau interferometer and electrothermal...

Area of Science:

• Biomedical Engineering
• Optical Engineering
• Gastroenterology

Background:

• Optical coherence tomography (OCT) is crucial for gastrointestinal endomicroscopy.
• Micro-opto-electro-mechanical systems (MOEMS) technology drives miniaturization in OCT probes.
• Existing MOEMS components are essential for developing advanced endoscopic tools.

Purpose of the Study:

• To report a novel endoscopic microsystem for swept-source OCT (SS-OCT) imaging.
• To demonstrate the integration of MOEMS and MEMS for miniaturized OCT probes.
• To validate the proof-of-concept for a new MOEMS-based SS-OCT probe.

Main Methods:

• Development of a spectrally tuned MOEMS Mirau micro-interferometer.
• Integration with a micro-electro-mechanical systems (MEMS) electro-thermal micro-scanner.
• Operation within the swept-source OCT imaging regime.

Main Results:

• Successful creation of a novel endoscopic microsystem.
• Demonstration of a MOEMS probe for SS-OCT.
• Presentation of experimental performances of the developed SS-OCT microsystem.

Conclusions:

• The developed MOEMS probe represents a significant advancement in endoscopic OCT.
• This microsystem validates the feasibility of MOEMS-based probes for gastrointestinal imaging.
• Further development of this technology holds promise for improved diagnostic capabilities.