Fabrication of holograms on optical fibers via femtosecond laser techniques

Martin Kroll; Tim Thiele; Elias Scharf; Ronja Stephan; Michael Steinke; Jürgen Czarske; Robert Kuschmierz; Jakob Dremel

doi:10.1117/12.3002865

13 March 2024 Fabrication of holograms on optical fibers via femtosecond laser techniques

Martin Kroll, Tim Thiele, Elias Scharf, Ronja Stephan, Michael Steinke, Jürgen Czarske, Robert Kuschmierz, Jakob Dremel

Proceedings Volume PC12873, Laser-based Micro- and Nanoprocessing XVIII; PC128730G (2024) https://doi.org/10.1117/12.3002865
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

Multi-core optical fibers are widely used for information transfer and endoscopy. However, dispersion effects result in phase noise of the transmitted light fields, limiting applications. This can be characterized holographically. We investigate the use of laser ablation to apply holograms for correcting the phase noise. We show that the desired phase correction can be applied via intensity modulation. We compare the phase shift of single-shot vs multi-shot ablation. Additionally, the ablation is compared to additive manufacturing and digital optical phase conjugation. The presented results demonstrate, that phase corrected light field transfer is possible via optical fibers.

Conference Presentation

Citation Download Citation

Martin Kroll, Tim Thiele, Elias Scharf, Ronja Stephan, Michael Steinke, Jürgen Czarske, Robert Kuschmierz, and Jakob Dremel "Fabrication of holograms on optical fibers via femtosecond laser techniques", Proc. SPIE PC12873, Laser-based Micro- and Nanoprocessing XVIII, PC128730G (13 March 2024); https://doi.org/10.1117/12.3002865

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