Design and fabrication of mode-matched fiber-integrated GRIN lenses

Rubayet Al Maruf; Anna Maria Houk; Michal Bajcsy

doi:10.1117/12.3002036

11 March 2024 Design and fabrication of mode-matched fiber-integrated GRIN lenses

Rubayet Al Maruf, Anna Maria Houk, Michal Bajcsy

Proceedings Volume 12892, Optical Interconnects XXIV; 128920R (2024) https://doi.org/10.1117/12.3002036
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

We describe a method for fabricating inline lenses by splicing a graded-index multi-mode (GRIN) fiber to a single-mode fiber (SMF), with a core-less fiber segment controlling focal length and spot size. Based on the experimental results and precision of our glass cleaving and processing equipment, we demonstrate the feasibility of producing fiber lenses with focal lengths ranging from 10 μm to 1 mm, spot sizes from sub-μm to 30 μm, and numerical apertures from 0.10 to 0.30, showcasing potential applications in compact spaces.

Citation Download Citation

Rubayet Al Maruf, Anna Maria Houk, and Michal Bajcsy "Design and fabrication of mode-matched fiber-integrated GRIN lenses", Proc. SPIE 12892, Optical Interconnects XXIV, 128920R (11 March 2024); https://doi.org/10.1117/12.3002036

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