• R N Patil

      Articles written in Pramana – Journal of Physics

    • Electrical second harmonic generation by TGSe and TGS-Se in the autostabilized state

      S H Chavan R N Patil

      More Details Abstract Fulltext PDF

      Second harmonic generation and TANDEL effect studies on ferroelectric triglycine selenate and triglycine sulphate-Selenate crystals near the Curie temperature indicate that the generated second harmonic is linear for low biasing fields with a zero off-set, while it decreases sharply at higher biasing fields. In the autostabilized state, the TANDEL elements adjust their impedance against the variation of a.c. field. The experiments on annealed crystals establish that the zero offset is due to the internal bias that owes its origin to the defect structure.

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