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Conferences > CLEO_Europe > 2019 > cm_p > cm_p_19
  • 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper cm_p_19

Direct Laser Writing of Large Scale Photonic Crystal Spatial Filters in Glass Using Bessel Beams

Vytautas Purlys, Darius Gailevičius, and Kestutis Staliunas

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Abstract

Spatial light filtering is a broadly used technique for cleaning the light beams. Commonly, a confocal system of lenses and a pinhole is used for such purpose; however such systems often suffer from mechanical instability and are relatively large in size, which restricts their usage in micro-optical devices. In addition, their usage is limited in high power optical systems due to laser damage of the pinhole.

© 2019 IEEE

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