Timo Karppinen

Photo-acoustic Excitation and Optical Detection of Fundamental Flexural Guided Wave in Coated Bone Phantoms

Petro Moilanen, Zuomin Zhao, Pasi Karppinen et al. · Ultrasound in Medicine & Biology · 2013 · 29 citations

Biomedical Acoustics, Engineering, Medical Imaging +13

The stiffness modulus in Norway spruce as a function of year ring

Tiina Koponen, Timo Karppinen, Edward Hæggström et al. · Holzforschung · 2005 · 23 citations

Engineering, Silviculture, Wood Formation +15

Measuring paper wetting processes with laser transmission

Timo Karppinen, Ivan Kassamakov, Edward Hæggström et al. · Measurement Science and Technology · 2004 · 21 citations

Self-cleaning Surface, Advanced Laser Processing, Engineering +12

Phase-delayed laser diode array allows ultrasonic guided wave mode selection and tuning

Pasi Karppinen, Ari Salmi, Petro Moilanen et al. · Journal of Applied Physics · 2013 · 20 citations · Full text

Photonics, Medical Ultrasound, Engineering +11

Air-coupled ultrasonic measurement of the change in roughness of paper during wetting

Jyrki Stor-Pellinen, Edward Hæ ggström, Timo Karppinen et al. · Measurement Science and Technology · 2001 · 16 citations

Engineering, Paper Sample, Power Ultrasound +10