Woodpile photonic crystal for beam collimation

Lina Maigyte; Jose Trull; Vygantas Mizeikis; Mangirdas Malinauskas; Saulius Juodkazis; Crina M. Cojocaru; Marius Rutkauskas; Martynas Peckus; Valdas Sirutkaitis; Kestutis Staliunas

doi:10.1117/12.922276

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25 April 2012 Woodpile photonic crystal for beam collimation

Lina Maigyte, Jose Trull, Vygantas Mizeikis, Mangirdas Malinauskas, Saulius Juodkazis, Crina M. Cojocaru, Marius Rutkauskas, Martynas Peckus, Valdas Sirutkaitis, Kestutis Staliunas

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Proceedings Volume 8425, Photonic Crystal Materials and Devices X; 842511 (2012) https://doi.org/10.1117/12.922276
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

We report and analyze experimental observation of the formation of a narrow, well collimated laser beam at optical frequency behind the woodpile photonic crystal fabricated using a femtosecond laser multi-photon polymerization technique. We show that the collimation depends on the input laser beam focusing conditions. We discuss the experimental results and give theoretical interpretation.

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Lina Maigyte, Jose Trull, Vygantas Mizeikis, Mangirdas Malinauskas, Saulius Juodkazis, Crina M. Cojocaru, Marius Rutkauskas, Martynas Peckus, Valdas Sirutkaitis, and Kestutis Staliunas "Woodpile photonic crystal for beam collimation", Proc. SPIE 8425, Photonic Crystal Materials and Devices X, 842511 (25 April 2012); https://doi.org/10.1117/12.922276

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