11 September 1985 Maker Fringe Analysis of Lithium Niobate Integrated Optical Substrates
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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.
© (1985) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. R. Lunt, S. R. Lunt, G. E. Peterson, G. E. Peterson, R. J. Holmes, R. J. Holmes, Y. S. Kim, Y. S. Kim, } "Maker Fringe Analysis of Lithium Niobate Integrated Optical Substrates", Proc. SPIE 0578, Integrated Optical Circuit Engineering II, (11 September 1985); doi: 10.1117/12.950742; https://doi.org/10.1117/12.950742
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