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The presented paper shows the possibility of digital holographic interferometry application in measurement of unsteady 2D temperature field generated by pulsatile flow which is impinging heated surface. Special holographic setup with double sensitivity was developed instead of the commonly used MachZehnder type of holographic interferometer in order to attain the parameters sufficient for the studied case. This setup is not light efficient like the MachZehnder type but has double sensitivity. The results from the digital holographic interferometry experiments are perfected by measurement of the velocity field achieved by methods of hot-wire anemometry

Digital holografic interferometry used for identification of 2D temperature field