Abstract
Submicrometer dielectric phase masks allow for the realization of the miniaturization of high-quality optical elements. In this Letter we demonstrate spatial intensity beam shaping using phase masks attached to optical single-mode fibers. The phase masks are directly fabricated onto the end facet of optical fibers using femtosecond two-photon direct laser writing, achieving, therefore, submicrometer alignment accuracy. We observe high-quality intensity patterns and find excellent agreement with simulations. Our results prove that 3D printing of diffractive micro-optics can achieve sufficient performance to enable compact devices.
Highlights
Micro-optical elements of high quality are used in a large variety of applications, such as telecommunication, sensing technology, and industrial inspection
Phase masks are fabricated by lithographic techniques such as gray-scale, multiple-mask, and moving-mask lithography, followed by various etching processes
Our phase plates are fabricated by femtosecond two-photon direct laser writing using a dip-in approach
Summary
Micro-optical elements of high quality are used in a large variety of applications, such as telecommunication, sensing technology, and industrial inspection. We introduce 3D printed phase plates directly attached to optical single-mode fibers in order to spatially shape the emerged intensity distribution. Our phase plates are fabricated by femtosecond two-photon direct laser writing using a dip-in approach.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
