@inproceedings{KeferSchmaussHellmann2024, author = {Stefan Kefer and Bernhard Schmauss and Ralf Hellmann}, title = {Sapphire-Based Planar Bragg Grating Devices}, booktitle = {28th International Conference on Optical Fiber Sensors}, doi = {10.1364/OFS.2023.W2.4}, year = {2024}, }