Open AccessLong-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 , focus (optics) , depth of focus (tectonics) , depth of field , materials science , coherence (philosophical gambling strategy) , ablation , microsecond , medicine , physics , geology , paleontology , subduction , tectonics , quantum mechanics
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.