High resolution position measurement of "flying particles" inside hollow-core photonic crystal fiber. - Stefan Werzinger; Max Köppel; Bernhard Schmauss; Dmitry S. Bykov; Richard Zeltner; Andrey Machnev; Shangran Xie; Philip St. J. Russell (IEEE SENSORS, 2017)

Model-Based Position and Reflectivity Estimation of Fiber Bragg Grating Sensor Arrays. - Stefan Werzinger; Darko Zibar; Max Köppel; Bernhard Schmauss (Sensors, 2018)

High-Precision Localization of Trapped Microparticles inside Hollow-Core Photonic Crystal Fibers using Coherent Optical Frequency Domain Reflectometry. - Max Köppel; Abhinav Sharma; Esther Renner; Shangran Xie; Bernhard Schmauss; Philip St. J. Russell (IEEE SENSORS, 2019)

Kalman Filter assisted Tracking of Microparticles in Hollow-Core Photonic Crystal Fibers for Sensor Applications. - Max Köppel; Jasper Podschus; Nicolas Y. Joly; Philip St. J. Russell; Bernhard Schmauss (OFC, 2022)

Fluorescence Lifetime Measurements of a Trapped Microparticle in a Hollow-Core Fiber for Remote Temperature Sensing with High Spatial Resolution. - Jasper Freitag; Max Köppel; Mohammad Sahil; Nicolas Y. Joly; Bernhard Schmauss (OFC, 2025)