Large enhancement of femtosecond laser micromachining speed in dye-doped hydrogel polymers

Large enhancement of femtosecond laser micromachining speed in dye-doped hydrogel polymers

Ophthalmologic hydrogel polymers are doped with Fluorescein or Coumarin dyes prior to the femtosecond laser micromachining process. We find that the achievable micromachining writing speed can be greatly increased while maintaining large refractive index changes (up to +0.08). Compared with previous...

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Veröffentlicht in:Optics express 2008-12, Vol.16 (26), p.21914-21921
Hauptverfasser: Ding, Li, Jani, Dharmendra, Linhardt, Jeffrey, Künzler, Jay F, Pawar, Siddhesh, Labenski, Glen, Smith, Thomas, Knox, Wayne H
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container_end_page 21921
container_issue 26
container_start_page 21914
container_title Optics express
container_volume 16
creator Ding, Li
Jani, Dharmendra
Linhardt, Jeffrey
Künzler, Jay F
Pawar, Siddhesh
Labenski, Glen
Smith, Thomas
Knox, Wayne H
description Ophthalmologic hydrogel polymers are doped with Fluorescein or Coumarin dyes prior to the femtosecond laser micromachining process. We find that the achievable micromachining writing speed can be greatly increased while maintaining large refractive index changes (up to +0.08). Compared with previous results in dye-doped polymers that do not contain water such as PMMA, we obtain much larger index changes and much faster writing speeds.
doi_str_mv 10.1364/OE.16.021914
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title Large enhancement of femtosecond laser micromachining speed in dye-doped hydrogel polymers
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