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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 2,
  • Issue 2,
  • pp. 54-57
  • (1998)

Birefringence measurements of lmol%Mg:LiNbO3 with Noncollinea­rphase­matching cone

Open Access Open Access

Abstract

A noncollinear-phase-matching cone of second harmonic generation(SHG) was observed in a LiNbO3 crystal doped with l mol% MgO. Birefringence refractive indices can be accurately evaluated by analysing the temperature phase matching characteristic for SHG combined with the measurement of the half cone angle. The electro-optic coefficient can also be determined form the observed change of the half cone angle when a DC electric field is applied along the optic axis.

© 1998 Optical Society of Korea

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