Issue |
MATEC Web of Conferences
Volume 32, 2015
International Symposium of Optomechatronics Technology (ISOT 2015)
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Article Number | 07005 | |
Number of page(s) | 3 | |
Section | Tunable and adaptive optics | |
DOI | https://doi.org/10.1051/matecconf/20153207005 | |
Published online | 02 December 2015 |
Adaptive micro axicons for laser applications
1 Laboratory for Microactuators, Department of Microsystems Engineering (IMTEK), University of Freiburg, Georges-Koehler-Allee 102, 79110 Freiburg Germany
2 Max Born Institute for Nonlinear Optics and Short-Pulse Spectroscopy (MBI), Max Born Str. 2a, 12489 Berlin, Germany
a Corresponding author: wallrabe@imtek.uni-freiburg.de
We report on the design, fabrication and testing of novel types of low-dispersion axicons for the adaptive shaping of ultrashort laser pulses. An overview is given on the basic geometries and operating principles of our purely reflective adaptive MEMS-type devices based on thermal or piezoelectric actuation. The flexible formation of nondiffracting beams at pulse durations down to a few oscillations of the optical field enables new applications in optical communication, pulse diagnostics, laser-matter interaction and particle manipulation. As an example, we show first promising results of adaptive autocorrelation. The combination of excellent pulse transfer, self-reconstruction properties and propagation invariance of nondiffracting beams with an adaptive approach promises to extend the field of practical applications significantly.
© Owned by the authors, published by EDP Sciences, 2015
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