Common-path optical coherence tomography using Bessel beam axicon probe for malignancy identification

P. Gupta; K. Vairagi; V. Sharma; K. K. Prasad; S. K. Mondal

doi:10.1117/12.2644461

8 March 2023 Common-path optical coherence tomography using Bessel beam axicon probe for malignancy identification

P. Gupta, K. Vairagi, V. Sharma, K. K. Prasad, S. K. Mondal

Proceedings Volume 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII; 123670Z (2023) https://doi.org/10.1117/12.2644461
Event: SPIE BiOS, 2023, San Francisco, California, United States

Conference Poster

Abstract

The ability to detect the malignancy inside the tissue structure non-invasively have immense potential in the clinical application. In this work, a Bessel beam axicon probe based common-path optical coherence tomography system is demonstrated for detection of malignancy inside the human tissue. This probe is employed in this system having an axicon structure which is chemically etched inside the optical fiber end. This probe generates a quality Bessel beam owning a large depth-of-field, ~700µm and small central spot size. This probe effectively identifies the malignancy in the human colon tissue hence it could be a great tool as an endoscopic probe in future for either early-stage or during surgery diagnosis.

Citation Download Citation

P. Gupta, K. Vairagi, V. Sharma, K. K. Prasad, and S. K. Mondal "Common-path optical coherence tomography using Bessel beam axicon probe for malignancy identification", Proc. SPIE 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII, 123670Z (8 March 2023); https://doi.org/10.1117/12.2644461

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