Bonn 2025 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 74: Photonics II

Q 74.6: Talk

Friday, March 14, 2025, 15:45–16:00, HS Botanik

Fabrication of Mode-Matched, Low-Loss Optical Micro-Resonators — •Patrick Maier, Manuel Stetter, and Alexander Kubanek — Institute for Quantum Optics, Ulm University, Germany

Fabry Perot cavities are essential tools for applications like precision metrology, optomechanics, and quantum technologies. A major challenge is the creation of mirror structures that allow the precise mapping of a wavefront (e.g. from a Gaussian beam) onto a glass surface, while providing high surface quality. We demonstrate the fabrication of customized Gaussian mode matched micro-cavity optics with a novel fabrication method, allowing customized geometrical parameters as well as smooth surfaces allowing coating limited Finesse F.

Keywords: Fabry Perot Resonators; Micro Optics; Fiber Cavities; Fabrication