Publications

Laser Technik Journal 5/2017

Acoustic Process Control for Laser Material Processing

Authors:

Balthasar Fischer, Wolfgang Rohringer, et al.

Contents:
  • New approach for in-line process monitoring for laser material processing 
  • Emitted ultrasound reveals information about laser weld penetration depth 
PDF

Optik&Photonik 5/2017

Listening to Ultrasound with a Laser

Authors:

Stefan Preisser, Balthasar Fischer, et al.

Contents:
  • Precise measurement of the ultrasonic field of piezoelectric transducers using the optical microphone
  • Results achieved in photoacoustic imaging
PDF

Biomedical Optics Express 10/2016

All-optical highly sensitive akinetic sensor for ultrasound detection and photoacoustic imaging

Authors:

Stefan Preisser, Wolfgang Rohringer, et al.

Contents:
  • Image tests on biological tissue with a novel, all-optical sensor for photoacoustic imaging
  • Detection bandwidth of up to 22.5 MHz
PDF

Nature Photonics 06/2016

Optical microphone hears ultrasound

Authors:

Balthasar Fischer

Contents:
  • Working principle of XARION's optical microphone technology
  • Advantages over conventional transducers in applications such as process control or non-destructive testing
PDF