Poled and unpoled polymers with chromophore dopants for optical sensors

Antao Chen

doi:10.1117/12.792379

2 September 2008 Poled and unpoled polymers with chromophore dopants for optical sensors

Antao Chen

Proceedings Volume 7049, Linear and Nonlinear Optics of Organic Materials VIII; 70490D (2008) https://doi.org/10.1117/12.792379
Event: Photonic Devices + Applications, 2008, San Diego, California, United States

Abstract

Optical properties such as index of refraction and optical absorption of many chromophore-doped polymers are sensitive to the physical and chemical environment to which the polymers are exposed. Detection sensitivity is further enhanced by optical micro-resonator structures such as waveguide micro-ring resonator and fiber Bragg gratings. Chromophore-doped polymers also offer some desirable flexibility in device fabrication. Ultraviolet light and electron beam can reduce the index of refraction of the polymer. The photobleaching and electron beam bleaching methods form optical waveguides in a single fabrication step and do not involve solvents or wet chemicals, and can be applied to polymers that are not compatible with other waveguide fabrication techniques. This Paper provides an overview of the basic principles and designs of such sensors. A chemical sensor to detect trace explosives and a broadband fiber optic electric-field sensor are presented as practical examples.

Citation Download Citation

Antao Chen "Poled and unpoled polymers with chromophore dopants for optical sensors", Proc. SPIE 7049, Linear and Nonlinear Optics of Organic Materials VIII, 70490D (2 September 2008); https://doi.org/10.1117/12.792379

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