We present an approach to measure <i>in situ</i> the local temperature increase in the exposed volume during three-dimensional direct laser writing. The method is based on the detection of the luminescence of NaYF<sub>4</sub>:Yb<sup>3+</sup>/Er<sup>3+</sup> codoped nanocrystals.
© 2013 OSA
(160.2540) Materials : Fluorescent and luminescent materials
(350.3390) Other areas of optics : Laser materials processing
(220.4241) Optical design and fabrication : Nanostructure fabrication
J. Mueller, J. Fischer, Y. J. Mange, T. Nann, and M. Wegener, "In-Situ Local Temperature Measurement During Three-Dimensional Direct Laser Writing," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CM4H.2.
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