Miniaturized probe for femtosecond laser microsurgery and two-photon imaging

Combined two-photon fluorescence microscopy and femtosecond laser microsurgery has many potential biomedical applications as a powerful "seek-and-treat" tool. Towards developing such a tool, we demonstrate a miniaturized probe which combines these techniques in a compact housing. The devic...

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Veröffentlicht in:Optics express 2008-06, Vol.16 (13), p.9996-10005
Hauptverfasser: Hoy, Christopher L, Durr, Nicholas J, Chen, Pengyuan, Piyawattanametha, Wibool, Ra, Hyejun, Solgaard, Olav, Ben-Yakar, Adela
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container_end_page 10005
container_issue 13
container_start_page 9996
container_title Optics express
container_volume 16
creator Hoy, Christopher L
Durr, Nicholas J
Chen, Pengyuan
Piyawattanametha, Wibool
Ra, Hyejun
Solgaard, Olav
Ben-Yakar, Adela
description Combined two-photon fluorescence microscopy and femtosecond laser microsurgery has many potential biomedical applications as a powerful "seek-and-treat" tool. Towards developing such a tool, we demonstrate a miniaturized probe which combines these techniques in a compact housing. The device is 10 x 15 x 40 mm(3) in size and uses an aircore photonic crystal fiber to deliver femtosecond laser pulses at 80 MHz repetition rate for imaging and 1 kHz for microsurgery. A fast two-axis microelectromechanical system scanning mirror is driven at resonance to produce Lissajous beam scanning at 10 frames per second. Field of view is 310 microm in diameter and the lateral and axial resolutions are 1.64 microm and 16.4 microm, respectively. Combined imaging and microsurgery is demonstrated using live cancer cells.
doi_str_mv 10.1364/oe.16.009996
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subjects Endoscopes
Equipment Design
Equipment Failure Analysis
Laser Therapy - instrumentation
Microscopy, Fluorescence, Multiphoton - instrumentation
Microsurgery - instrumentation
Miniaturization
Surgery, Computer-Assisted - instrumentation
Transducers
title Miniaturized probe for femtosecond laser microsurgery and two-photon imaging
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