Nonlinear side effects of fs pulses inside corneal tissue during photodisruption

A. Heisterkamp; T. Ripken; T. Mamom; W. Drommer; H. Welling; W. Ertmer; H. Lubatschowski

doi:10.1007/s003400200825

Nonlinear side effects of fs pulses inside corneal tissue during photodisruption

A. Heisterkamp^*
, T. Ripken
, T. Mamom
, W. Drommer
, H. Welling
, W. Ertmer
, H. Lubatschowski

^*Korrespondierende*r Autor*in für diese Arbeit

Institut für Quantenoptik

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Abstract

In order to evaluate the potential for refractive surgery, fs laser pulses of 150-fs pulse duration were used to process corneal tissue of dead and living animal eyes. By focusing the laser radiation down to spot sizes of several microns, very precise cuts could be achieved inside the treated cornea, accompanied with minimum collateral damage to the tissue by thermal or mechanical effects. During histo-pathological analysis by light and transmission electron microscopy considerable side effects of fs photodisruption were found. Due to the high intensities at the focal region several nonlinear effects occurred. Self-focusing, photodissociation, UV-light production were observed, leading to streak formation inside the cornea.

Originalsprache	Englisch
Seiten (von - bis)	419-425
Seitenumfang	7
Fachzeitschrift	Applied Physics B: Lasers and Optics
Jahrgang	74
Ausgabenummer	4-5
DOIs	https://doi.org/10.1007/s003400200825
Publikationsstatus	Veröffentlicht - Apr. 2002

ASJC Scopus Sachgebiete

Physik und Astronomie (sonstige)
Allgemeine Physik und Astronomie

Zugriff auf Dokument

10.1007/s003400200825

Andere Dateien und Links

Link zur Publikation in Scopus

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AU - Drommer, W.

AU - Welling, H.

AU - Ertmer, W.

AU - Lubatschowski, H.

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