Abstract
Dynamic results have been worked out according to the existing theoretical model, to describe the temperature field that is established within a film of isotropic trans azobenzene liquid crystalline side chain polymers when a linearly polarized laser beam illuminates it. The pulse times adopted in calculations are 10 ns, 100 ns, 0.01 ms, 0.1 ms and 1 ms. The results with a pulse time of 1 ms, after which a temperature field is found to be formed, are discussed in detail. It has been found that (1) the rate of change in temperature will be larger when heat conductivity is smaller; (2) the temperature increases as the radius of the laser increases; (3) for a pulse time of 1 ms, the maximum temperature rise is 10.5°C and after 0.9 ms the temperature field disappears.
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