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To aid the quality and trust of computer simulations experiments are important. Our laboratory contain advanced equipment for measuring flow, velocities and pressure by various methods.
X-ray microtomography is used for 3D imaging of a sample, based on a number of x-ray images (projections) acquired from different angles.
A laser Doppler Vibrometer (LDV) is a non-contact vibration velocity (or displacement) transducer which uses the Doppler shift of back scattered laser light (He-Ne, of wavelength of 633 nm) from a moving surface.
The versatile laser system can be used in a number of applications. Since the system is injection seeded the two laser cavities are coherent and holographic recordings can be made.
The ruby laser is a double pulsed laser used for pulsed holographic interferometry (using film) and pulsed TV holography (using a PCO digital camera).
A modern high-speed IR camera system financed by the Kempe Foundations has been purchased. The number of pixels are 320x256 and the sensitivity is around 25mK.
This light source can deliver 2 μs light pulses at 10 kHz frequency or 100 ns light pulses at 200 kHz frequency. The wavelength is 810 nm and the light can be launched in a fibre optic cable and optics to create a suitable illumination spot. The laser is easy to synchronise with a high-speed camera.
Luleå University of Technology • 971 87 Luleå • Phone: +46 (0)920 49 10 00 • Fax: +46 (0)920 49 13 99
E-mail: General, Studies • Orgnr: 202100-2841 © LTU 2013
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