Wavelength-selective photodetectors based on dye-superconductor assemblies

Sara J. Eames; David C. Jurbergs; Steven M. Savoy; Jianai Zhao; John Thomas McDevitt

doi:10.1117/12.271203

15 April 1997 Wavelength-selective photodetectors based on dye-superconductor assemblies

Sara J. Eames, David C. Jurbergs, Steven M. Savoy, Jianai Zhao, John Thomas McDevitt

Proceedings Volume 2999, Photodetectors: Materials and Devices II; (1997) https://doi.org/10.1117/12.271203
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

A strategy for increasing the wavelength selectivity and responsivity of hybrid dye/superconductor optical sensors is described. Here, reflective 'mirror layers' deposited on the top surface of YBa₂Cu₃O_7-(delta ) thin film devices 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_c superconductor and dye/mirror-layer/high-T_c superconductor systems. Optical response studies of the structures suggest that the inclusion of the mirror layer serves to enhance the wavelength-selectivity of the detector. Consequently, only the on-resonance signals captured by the dye layer are effectively sensed by the superconductor element. Measurements of the spectral response properties of the mirror layer-modified hybrid detectors show that energy transfer between the dye and superconducting elements is not diminished by the presence of this reflective layer.

Citation Download Citation

Sara J. Eames, David C. Jurbergs, Steven M. Savoy, Jianai Zhao, and John Thomas McDevitt "Wavelength-selective photodetectors based on dye-superconductor assemblies", Proc. SPIE 2999, Photodetectors: Materials and Devices II, (15 April 1997); https://doi.org/10.1117/12.271203

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