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Enhanced Wavelength Selectivity in Molecular Dye Modified High-T Superconducting Detectors Using Mirror-Layer Structures

Chemistry of Materials, ISSN: 0897-4756, Vol: 9, Issue: 6, Page: 1377-1384
1997
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Article Description

A new method for enhancing the wavelength selectivity and responsivity of hybrid dye/ superconductor optical sensors is described. Here, reflective "mirror layers" deposited atop the high-temperature superconductor, YBaCuO, are used to enhance the optical performance characteristics of such hybrid sensors. Quantification of the wavelength selectivity for such detector structures is detailed for both dye/high-T superconductor and dye/mirror-layer/high-T superconductor systems. Optical studies suggest that the inclusion of the mirror layer serves to enhance the wavelength selectivity by reducing the amount of off-resonance signal generated by the detector. On the other hand, the on-resonance signals captured by the dye layer are effectively sensed by the superconductor element. Measurement of the wavelength-dependent optical responsivity of the mirror-layer-modified hybrid detectors shows that energy transfer between the dye and superconducting elements is not diminished by the presence of this reflective layer.

Bibliographic Details

David C. Jurbergs; Steve M. Savoy; Jianai Zhao; Sara J. Eames; John T. McDevitt

American Chemical Society (ACS)

Chemistry; Chemical Engineering; Materials Science

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