Photonics Laboratory of Munich University of Applied Sciences  

at the Department of Applied Sciences and Mechatronics 

 

The Photonics Laboratory develops and evaluates high precision optical fiber sensors that are especially adapted to the demands in medicine, industry and research.

  • Lectures in optoelectronics and fiber optic technology in the Bachelor and Master programs.
  • Research activities in optical fiber sensing based on fiber Bragg gratings (FBGs):
    • High-temperature annealing, calibration and sensing
    • Strain measurements of cartilage tissue
    • Hydrogen detection with Palladium-coated FBGs
    • Fiber-optic smart casts with embedded FBG sensors
  • Degree theses (Bachelor and Master) and doctoral theses (cooperative doctorate) in the field of fiber sensing.
  • Commissioned research for industrial partners
News


16.12.2024 New Publication in Optics Express:
  • F. Buchfellner, A. Röhrl, M. Yang, A. W. Koch, J. Roths, “Temperature-compensated fiber optic hydrogen sensing with an in-fiber Fabry-Perot etalon and a Pd:Ni-coated cavity,” Optics Express Vol. 32, Issue 26, pp. 46353-46365 (2024) DOI: 10.1364/OE.543484 (2024)

10.09.2024 New Publication in Results in Physics:
  • A. Stadler, A. Zeisberger, F. Buchfellner, A. Röhrl, A. W. Koch, J. Roths, “Accurate high-temperature profile sensing with dense multipoint arrays of regenerated fiber Bragg gratings,” Results in Physics, 65, 107970, DOI: 10.1016/j.rinp.2024.107970, (2024)

Optica Advanced Photonics Congress 2024
  • Invited Talk:
    J. Roths, “Sensing in Extreme High Temperature Environments With Regenerated Fiber Bragg Gratings (RFBGs)”
  • Contributed Talk:
    A. Röhrl, “Ultra-high Temperature Sensor Utilizing an Intrinsic Sapphire Fabry-Pérot Interferometer”
  • Publications:
    A. Roehrl, A. Stadler, F. Buchfellner, S. Zehetmair, J. Roths "Ultra-high Temperature Sensor Utilizing an Intrinsic Sapphire Fabry-Pérot Interferometer," Advanced Photonics Congress in Québec, (Optica Publishing Group 2024), paper BM4A.4; DOI: 10.1364/BGPP.2024.BM4A.4 (2024)
    J. Roths, Q.Biana, A. Stadlera, F. Buchfellnera, A. Roehrl "Sensing in Extreme High Temperature Environments with Regenerated Fiber Bragg Gratings," Advanced Photonics Congress in Québec, (Optica Publishing Group 2024), paper BTu2A.1; DOI: 10.1364/BGPP.2024.BTu2A.1 (2024)


01.04.2024 New Publication in IEEE Sensors Journal:
  • Characterization of high-temperature performance of a sapphire fiber Bragg grating with a single-mode demodulation system,” IEEE Sensors J., 24 (7), 10138–10143.
    DOI: 10.1109/JSEN.2024.3366230, (2024)