Journal
PHOTONICS
Volume 8, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/photonics8100423
Keywords
laser surgery; laser ablation; strong absorption coating; biophotonics
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Funding
- Ministry of Science and Higher Education of the Russian Federation [075-15-2020-906]
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Light-heat converters made of optical fibers with a strong absorbing layer at the tip can achieve stable temperatures at different laser powers. Research revealed that laser ablation of the tip coating is the main reason for this phenomenon.
Light-heat converters are promising for further development of contact laser surgery. The simplest converter consists of an optical fiber with a strong absorbing layer at the tip. We studied the time dependence of the tip temperature at different CW laser powers and revealed that, in several seconds, the temperature evolution becomes almost power-independent. Mathematical modeling showed that laser ablation of the tip coating is the main reason for this phenomenon.
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