Absorption Loss In Ti:LiNb03-Stripe Waveguides A New Measurement Technique

R. Volk

doi:10.1117/12.961905

6 December 1989 Absorption Loss In Ti:LiNb0₃-Stripe Waveguides A New Measurement Technique

R. Volk

Proceedings Volume 1141, 5th European Conf on Integrated Optics: ECIO '89; (1989) https://doi.org/10.1117/12.961905
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

A novel nondestructive technique to measure the intrinsic absorption-loss spectra of TiliNb03- stripe waveguides is demonstrated. The principle of operation is to generate periodic heat waves by light-absorption in a stripe waveguide and to calculate its absorption coefficient from the measured temperature changes in a parallel waveguide resonator. The lowest measured absorption coefficient in the spectral range of 633-730nm was a = 0.002dB/cm at A = 730nm (HE-polarization). A resolution of 10^-4 dB/cm at 700nm and 2.9mW excite power was achieved.

Citation Download Citation

R. Volk "Absorption Loss In Ti:LiNb0₃-Stripe Waveguides A New Measurement Technique", Proc. SPIE 1141, 5th European Conf on Integrated Optics: ECIO '89, (6 December 1989); https://doi.org/10.1117/12.961905

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