Photoacoustic devices

1. Photoacoustic measurement system  (Russia)
- resolution: 0.05-0.2 mm (axial), 1.5-2 mm (lateral)
- probing depth: 0.05-0.2 mm (min), 10-60 mm (max)
Components
Nd: YAG laser LCS-DTL-324QT (Laser-Export, Russia)
- pulse energy: 100 uJ @ 1 kHz, 40 uJ @ 10 kHz
- repetition rate: 0.2-10 kHz
- pulse duration: 7-10 ns
- wavelength: λ = 1064 nm
High-speed laser opto-acoustic transducer (FST-10#1)
- piezoelement: LiNbO3
- frequency bandwidth: 1-70 MHz
- operation time gate: 5 us
- probing depth: 0.05-6 mm
- axial resolution: 0.05 mm
Wideband laser opto-acoustic transducer (FST-13M#1)
- piezoelement: 30-um-thick PVDF film
- frequency bandwidth: 0.5-15 MHz
- operation time gate: 22 us
- probing depth: 0.2-60 mm
- axial resolution: 0.2 mm


Photoacoustic measurement system

2. Home-made measurement system  system
Components
Solid-state pulsed laser OPO
- wavelength: λ = 400-900 nm
- pulse energy: mJ (visible and NIR spectral range)
Transducers
- frequency bandwidth: 0.5-2 MHz

Last updated: 9.9.2016