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Proceedings Paper

Medical and biological applications for ultrafast laser pulses
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Paper Abstract

Due to the low energy threshold of photodisruption with fs laser pulses, thermal and mechanical side effects are limited to the sub μm range. The neglection of side effects enables the use of ultrashort laser pulses in a broad field of medical applications. Moreover, the interaction process based on nonlinear absorption offers the opportunity to process transparent tissue three dimensionally inside the bulk. We demonstrate the feasibility of surgical procedures in different fields of medical interest: In ophthalmology intrastromal cutting and preparing of corneal flaps for refractive surgery in living animals is presented. Besides, the very low mechanical side effects enables the use of fs-laser in otoralyngology to treat ocecular bones. Moreover, the precise cutting quality can be used in fields of cardiovascular surgery for the treatment of arteriosclerosis as well as in dentistry to remove caries from dental hard tissue.

Paper Details

Date Published: 19 February 2003
PDF: 7 pages
Proc. SPIE 4830, Third International Symposium on Laser Precision Microfabrication, (19 February 2003); doi: 10.1117/12.486505
Show Author Affiliations
Holger Lubatschowski, Laser Zentrum Hannover e.V. (Germany)
Alexander Heisterkamp, Laser Zentrum Hannover e.V. (Germany)
Fabian Will, Laser Zentrum Hannover e.V. (Germany)
Ajoy I. Singh, Union Park (India)
Jesper Serbin, Laser Zentrum Hannover e.V. (Germany)
Andreas Ostendorf, Laser Zentrum Hannover e.V. (Germany)
Omid Kermani, Laserforum Koln GmbH (Germany)
R. Heermann, Hannover Medical School (Germany)
Herbert Welling, Laser Zentrum Hannover e.V. (Germany)
Wolfgang Ertmer, Laser Zentrum Hannover e.V. (Germany)

Published in SPIE Proceedings Vol. 4830:
Third International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Kojiro F. Kobayashi; Koji Sugioka; Reinhart Poprawe; Henry Helvajian, Editor(s)

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