1. © Fraunhofer HIGH RESOLUTION ULTRASOUND GONIOMETER Enabling versatile acoustic angular measurements

2. © Fraunhofer High Resolution Ultrasound Goniometer HUGO III

3. © Fraunhofer High Resolution Ultrasound Goniometer HUGO III Key Properties: Independently adjustable probe inclination angles Linear drive for various probe turn point distances Exchangeable probes Target mark lasers Fine alignment Microscope tripod Ultrasonic Hardware „PCUS ® pro Single“ LabVIEW-based control software

4. © Fraunhofer High Resolution Ultrasound Goniometer HUGO III Technical data: Probe angle range: 0 … 50° Drive resolution: 0,02° Linear range: -1 … 95 mm Drive resolution: 1 µm Ultrasound frequency range: 0.2 … 32 MHz Signal sampling: 100 MS/s, 14 Bit

5. © Fraunhofer High Resolution Ultrasound Goniometer HUGO III Operation Mode Example 1: Reflection Mode Classic Ultrasound Goniometer SenderReceiver Water Specimen

6. © Fraunhofer High Resolution Ultrasound Goniometer HUGO III Operation Mode Example 2: Refraction Mode Ultrasound Goniometer with separate turn points Sender Receiver Water Specimen

7. © Fraunhofer High Resolution Ultrasound Goniometer HUGO III Operation Mode Example 3: Scanning Mode Linear scanning with fixed probe angles Sender Receiver Water Specimen

8. © Fraunhofer High Resolution Ultrasound Goniometer HUGO III Examples of use Designed for measuring surface acoustic wave velocity dispersion HUGO III also enables angular immersion technique i. e. for Bulk wave experiments (refraction, wave conversion) Lamb wave experiments Custom modifications and enhancements on demand Further information is provided on our flyer