Abstract
Despite an increase in the application of ultra-wideband (UWB) electromagnetic pulses in the communications industry, radar, biotechnology and medicine, characterization of bioeffects of exposure to non-ionizing UWB radiation is far from complete. In this paper the finite-difference time domain (FDTD) method is used to calculate the bioeffects resulting from the exposure of a human eye to UWB electromagnetic pulses in the frequency range of 3.1-10.6, 22-29, and 57-64 GHz. The results show that the interaction of UWB pulse with the eye tissues exhibits the same properties as the interaction of the continuous electromagnetic wave (CW) with frequency from the pulsepsilas power spectrum. It is also shown that under the same exposure conditions the exposure to UWB pulses is from one to many orders of magnitude safer than the exposure to CW.
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