A thin-film polymeric waveguide beam deflector based on thermooptic effect

Jang, Chiou-Hung; Sun, Lin; Kim, Jinha; Lu, Xuejun; Karve, Gauri; Chen, R.T.; Maki, Jeffery J.

doi:10.1109/68.920761

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Cited by 7 publications

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“…The so-called 'mirage' effect was introduced in optical measurement techniques many years ago [1], and since then, it has been widely used for thermal characterization of materials [2]. The configurations already proposed use the measurement of the variation of a photothermal signal in an interferometric [3] or in a beam deflection scheme [4,5]. These systems have a high theoretical sensitivity, but the implementation is usually bulky and the experimental arrangements are delicate.…”

Section: Introductionmentioning

confidence: 99%

Planar integrated optical sensors based on the mirage effect

Sánchez‐Pérez¹,

Garcı́a-Valenzuela²

2010

Meas. Sci. Technol.

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The modulation of the deflection of a 2D guided optical beam in a planar waveguide is analyzed for sensing applications. The deflection is caused by a gradual change in the depth of the planar waveguide transversal to the direction of propagation. The beam deflection angle could be used for sensing the refractive index of the external medium among other variables. We present numerical results to evaluate the possibility of developing a glass-integrated structure for refractive index sensing.

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