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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 3, Iss. 3 — Mar. 1, 2012
  • pp: 605–611

Fiber laser-microscope system for femtosecond photodisruption of biological samples

Seydi Yavaş, Mutlu Erdogan, Kutan Gürel, F. Ömer Ilday, Y. Burak Eldeniz, and Uygar H. Tazebay  »View Author Affiliations


Biomedical Optics Express, Vol. 3, Issue 3, pp. 605-611 (2012)
http://dx.doi.org/10.1364/BOE.3.000605


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Abstract

We report on the development of a ultrafast fiber laser-microscope system for femtosecond photodisruption of biological targets. A mode-locked Yb-fiber laser oscillator generates few-nJ pulses at 32.7 MHz repetition rate, amplified up to ∼125 nJ at 1030 nm. Following dechirping in a grating compressor, ∼240 fs-long pulses are delivered to the sample through a diffraction-limited microscope, which allows real-time imaging and control. The laser can generate arbitrary pulse patterns, formed by two acousto-optic modulators (AOM) controlled by a custom-developed field-programmable gate array (FPGA) controller. This capability opens the route to fine optimization of the ablation processes and management of thermal effects. Sample position, exposure time and imaging are all computerized. The capability of the system to perform femtosecond photodisruption is demonstrated through experiments on tissue and individual cells.

© 2012 OSA

OCIS Codes
(170.1020) Medical optics and biotechnology : Ablation of tissue
(170.7160) Medical optics and biotechnology : Ultrafast technology

ToC Category:
Laser-Tissue Interactions

History
Original Manuscript: January 24, 2012
Revised Manuscript: February 14, 2012
Manuscript Accepted: February 14, 2012
Published: February 22, 2012

Citation
Seydi Yavaş, Mutlu Erdogan, Kutan Gürel, F. Ömer Ilday, Y. Burak Eldeniz, and Uygar H. Tazebay, "Fiber laser-microscope system for femtosecond photodisruption of biological samples," Biomed. Opt. Express 3, 605-611 (2012)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-3-3-605


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