Material Processing with Femtosecond Laser Pulses for Medical Applications

被引：4

作者：

Fiedler, S. ^{[1
]}

Irsig, R. ^{[1
]}

Gieseke, M. ^{[2
]}

Vehse, M.

Senz, V.

Oniszczuk, A. W. ^{[1
]}

Tiggesbaeumker, J. ^{[1
]}

Schuster, C. ^{[1
]}

Svanidze, A. V. ^{[1
]}

Rothe, N. ^{[1
]}

Kaierle, S. ^{[2
]}

Hustedt, M. ^{[2
]}

Haferkamp, H. ^{[2
]}

Sternberg, K. ^{[4
]}

Schmitz, K. -P. ^{[4
]}

Seitz, H. ^{[3
]}

Lochbrunner, S. ^{[1
]}

Meiwes-Broer, K. -H. ^{[1
]}

机构：

[1] Univ Rostock, Inst Phys, D-18051 Rostock, Germany

[2] Laser Zentrum Hannover eV, Mat & Proc Dept, D-30419 Hannover, Germany

[3] Univ Rostock, Chair Fluid Technol & Microfluid, D-18059 Rostock, Germany

[4] Univ Rostock, Inst Biomed Engn, D-18119 Rostock, Germany

来源：

BIOMEDICAL ENGINEERING-BIOMEDIZINISCHE TECHNIK | 2012年 / 57卷

关键词：

Femtosecond lasers - Laser materials processing - Pulsed lasers - Medical applications;

D O I：

10.1515/bmt-2012-4405

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Medical implants require functional surfaces in order to ensure biological compatibility. Micrometer-sized surface structures are needed in particular for a successful adaptation on a cellular basis. Pulsed laser light sources with sub-ps pulse durations are promising tools exceeding the precision in material processing of nowadays mechanical methods. Our three-axis-scanner allows arbitrary focus positioning on the sample for material processing. Intense ultrashort near infrared laser pulses with adjustable pulse envelopes and variable focusing conditions are used for the material ablation. Moreover, process parameters like pulse energy, pulse repetition rate and focusing conditions are adjusted to adapt the laser parameters to the specific requirements regarding geometry and materials in use. Prototype drug depots have been machined by laser surface structuring.

引用

页码：603 / 605

页数：3

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