Maker Fringe Analysis of Lithium Niobate Integrated Optical Substrates

S. R. Lunt; G. E. Peterson; R. J. Holmes; Y. S. Kim

doi:10.1117/12.950742

11 September 1985 Maker Fringe Analysis of Lithium Niobate Integrated Optical Substrates

S. R. Lunt, G. E. Peterson, R. J. Holmes, Y. S. Kim

Proceedings Volume 0578, Integrated Optical Circuit Engineering II; (1985) https://doi.org/10.1117/12.950742
Event: 1985 Cambridge Symposium, 1985, Cambridge, United States

Abstract

The nonlinear optical properties of thin (-1 mm) lithium niobate integrated optical substrates can be obtained from the interference between the free and bound second harmonic waves (Maker fringes). The harmonic power is affected by the homogeneity of the plate, and this provides us with a method of quality control. We use a Q switched YAG laser to generate the harmonic power and the equipment is computer controlled. Fringe patterns that deviate appreciably from those expected for homogeneous plates indicate substrates that may not function properly in devices. In addition, the method can be used to analyze lithium niobate boules to ascertain if they are potentially useful for substrates.

Citation Download Citation

S. R. Lunt, G. E. Peterson, R. J. Holmes, and Y. S. Kim "Maker Fringe Analysis of Lithium Niobate Integrated Optical Substrates", Proc. SPIE 0578, Integrated Optical Circuit Engineering II, (11 September 1985); https://doi.org/10.1117/12.950742

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