scholarly journals Picosecond laser ablation system with process control by optical coherence tomography

2009 ◽  
Author(s):  
Piotr Targowski ◽  
Roman Ostrowski ◽  
Jan Marczak ◽  
Marcin Sylwestrzak ◽  
Ewa A. Kwiatkowska
Keyword(s):  
Optical Coherence Tomography ◽  
Laser Ablation ◽  
Process Control ◽  
Picosecond Laser ◽  
Optical Coherence

Measurement of crater geometries after laser ablation of bone tissue with optical coherence tomography

2008 ◽  
Vol 6 (12) ◽  
pp. 896-898 ◽  
Author(s):  
詹振林 Zhenlin Zhan ◽  
张先增 Xianzeng Zhang ◽  
叶青 Qing Ye ◽  
谢树森 Shusen Xie
Keyword(s):  
Optical Coherence Tomography ◽  
Laser Ablation ◽  
Bone Tissue ◽  
Optical Coherence

In-situ Observation of Tissue Laser Ablation Using Optical Coherence Tomography

2005 ◽  
Vol 37 (13-15) ◽  
pp. 1175-1183 ◽  
Author(s):  
Masato Ohmi ◽  
Manabu Tanizawa ◽  
Atsushi Fukunaga ◽  
Masamitsu Haruna
Keyword(s):  
Optical Coherence Tomography ◽  
Laser Ablation ◽  
In Situ Observation ◽  
Optical Coherence

High-Resolution Optical Coherence Tomography-Guided Laser Ablation of Surgical Tissue

1999 ◽  
Vol 82 (2) ◽  
pp. 275-284 ◽  
Author(s):  
Stephen A. Boppart ◽  
Juergen Herrmann ◽  
Costas Pitris ◽  
Debra L. Stamper ◽  
Mark E. Brezinski ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Laser Ablation ◽  
High Resolution ◽  
Optical Coherence

scholarly journals Role of Optical Coherence Tomography on Corneal Surface Laser Ablation

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Bruna V. Ventura ◽  
Haroldo V. Moraes ◽  
Newton Kara-Junior ◽  
Marcony R. Santhiago
Keyword(s):  
Optical Coherence Tomography ◽  
Laser Ablation ◽  
Imaging Modality ◽  
Corneal Thickness ◽  
Optical Coherence ◽  
Corneal Surface ◽  
Cross Sectional ◽  
Surface Laser ◽  
The Time Domain

This paper focuses on reviewing the roles of optical coherence tomography (OCT) on corneal surface laser ablation procedures. OCT is an optical imaging modality that uses low-coherence interferometry to provide noninvasive cross-sectional imaging of tissue microstructurein vivo.There are two types of OCTs, each with transverse and axial spatial resolutions of a few micrometers: the time-domain and the fourier-domain OCTs. Both have been increasingly used by refractive surgeons and have specific advantages. Which of the current imaging instruments is a better choice depends on the specific application. In laserin situkeratomileusis (LASIK) and in excimer laser phototherapeutic keratectomy (PTK), OCT can be used to assess corneal characteristics and guide treatment decisions. OCT accurately measures central corneal thickness, evaluates the regularity of LASIK flaps, and quantifies flap and residual stromal bed thickness. When evaluating the ablation depth accuracy by subtracting preoperative from postoperative measurements, OCT pachymetry correlates well with laser ablation settings. In addition, OCT can be used to provide precise information on the morphology and depth of corneal pathologic abnormalities, such as corneal degenerations, dystrophies, and opacities, correlating with histopathologic findings.

Optical coherence tomography for process control of laser micromachining

2010 ◽  
Vol 81 (3) ◽  
pp. 033705 ◽  
Author(s):  
Markus Wiesner ◽  
Jürgen Ihlemann ◽  
Heike H. Müller ◽  
Eva Lankenau ◽  
Gereon Hüttmann
Keyword(s):  
Optical Coherence Tomography ◽  
Process Control ◽  
Laser Micromachining ◽  
Optical Coherence
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