Murphy, D.F., Chen, Yong, Birks, T.A., Healy, N.V., Sazio, P.J.A., Yan, Z., Zhang, L., Panouillot, P-E., Toiviainen, M., Juuti, M., Hiltunen, J. and Karioja, P.
Smart, portable, miniature, static, broadband, optical interferometers and measurements
At Optics 2014, United States.
08 - 10 Sep 2014.
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Optical interferometry is a well-known, highly regarded and powerful measurement technique that is used in many forms to perform a very wide range of measurements. Applications of interferometry range from source characterisation to material characterisation; from OCT to photonic sensing; and from space weather monitoring to gravitational wave detection efforts. In this work, we report this powerful measurement tool in its form as a PIE instrument that is based on the Young's interferometer configuration. We report several metrology and FT-spectroscopy measurements using this miniature, portable, static, broadband interferometer configuration that includes both optical fiber circuits and optical waveguide circuits. Using these simple and powerful interferometer configurations, we report sub-nanometer spectral resolutions, picometer detection of wavelength changes, high resolution measurements of group velocity dispersion and attosecond measurements of delay change.
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