Three Dimensional Photothermal Deflection of Solids Using Modulated CW Lasers: Theoretical Development
Soltanolkotabi, M. · Naderi, M. H.
Original · EN
In this paper, a detailed theoretical treatment of the three dimensional photothermal deflection, under modulated cw excitation, is presented for a three layer system (backing-solid sample- fluid).By using a technique based on Green's function and integral transformations we find the explicit expressions for laser induced temperature distribution function and the photothermal deflection of the probe beam. Numerical analysis of those expressions for certain solid samples leads to some interesting results.
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