Post-shaping optical fiber taper filters

A. Martínez-Rios; G. Salceda-Delgado; R. Selvas-Aguilar; G. Anzueto-Sanchez; V. M. Duran-Ramirez; D. Toral-Acosta

doi:10.1117/12.2184487

26 August 2015 Post-shaping optical fiber taper filters

A. Martínez-Rios, G. Salceda-Delgado, R. Selvas-Aguilar, G. Anzueto-Sanchez, V. M. Duran-Ramirez, D. Toral-Acosta

Proceedings Volume 9586, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX; 95860Z (2015) https://doi.org/10.1117/12.2184487
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Geometrical shaping of non-adiabatic single tapers is used to modify the filtering characteristics. The fiber tapers are shaped by successive tapering. The taper shaping produces deeper rejection bands. As an application of the shaped tapers, fluidic temperature sensing cells were fabricated. In a first case, the wavelength shift of a single rejection band was monitored, showing a nonlinear response and low sensitivity to temperature changes. In a second case, a shaped taper fluidic cell containing two rejection bands was used, and the wavelength shift of the half intensity points of the transmission band (between the rejection bands) was taken as a measure of the temperature change. In this case, the fluidic cell showed a linear sensitivity of 481.9 pm/°C in a temperature range of 25°C-60°C.

Citation Download Citation

A. Martínez-Rios, G. Salceda-Delgado, R. Selvas-Aguilar, G. Anzueto-Sanchez, V. M. Duran-Ramirez, and D. Toral-Acosta "Post-shaping optical fiber taper filters", Proc. SPIE 9586, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX, 95860Z (26 August 2015); https://doi.org/10.1117/12.2184487

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