Long-range optical coherence tomography with extended depth-of-focus: a visual feedback system for smart laser osteotomy | Zendy

Arsham Hamidi | Zendy; Yakub A. Bayhaqi | Zendy; Ferda Canbaz | Zendy; Alexander A. Navarini | Zendy; Philippe C. Cattin | Zendy; Azhar Zam | Zendy

Open Access

Long-range optical coherence tomography with extended depth-of-focus: a visual feedback system for smart laser osteotomy

Author(s) -

Arsham Hamidi,

Yakub A. Bayhaqi,

Ferda Canbaz,

Alexander A. Navarini,

Philippe C. Cattin,

Azhar Zam

Publication year - 2021

Publication title -

biomedical optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.362

H-Index - 86

ISSN - 2156-7085

DOI - 10.1364/boe.414300

Subject(s) - optical coherence tomography , optics , laser , depth of field , focus (optics) , depth of focus (tectonics) , materials science , coherence (philosophical gambling strategy) , ablation , medicine , physics , geology , paleontology , subduction , quantum mechanics , tectonics

This work presents a long-range and extended depth-of-focus optical coherence tomography (OCT) system using a Bessel-like beam (BLB) as a visual feedback system during laser osteotomy. We used a swept-source OCT system ( λ c = 1310 nm) with an imaging range of 26.2 mm in the air, integrated with a high energy microsecond Er:YAG laser operating at 2.94 µm. We demonstrated that the self-healing characteristics of the BLB could reduce the imaging artifacts that may arise during real-time monitoring of laser ablation. Furthermore, the feasibility of using long-range OCT to monitor a deep laser-induced incision is demonstrated.

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