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2018•Frontiers in Optics / Laser ScienceRequires access

A Narrowband Photothermoelectric Detector Using Guided-Mode Resonance Filter

Hosein Monshat, Longju Liu, Meng Lu

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Abstract

A narrowband photothermoelectric detector is demonstrated by integrating a guided-mode resonance (GMR) filter and a thin-film thermocouple. The detector utilizes the GMR effect to selectively absorb light at a specific wavelength and raise the temperature at the thermocouple. The voltage output of the thermocouple strongly depends on the coupling between the GMR mode and incoming light.

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What this paper is about

A narrowband photothermoelectric detector is demonstrated by integrating a guided-mode resonance (GMR) filter and a thin-film thermocouple. The detector utilizes the GMR effect to selectively absorb light at a specific wavelength and raise the temperature at the thermocouple. The voltage output of the thermocouple strongly depends on the coupling between the GMR mode and incoming light.

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Available abstract

A narrowband photothermoelectric detector is demonstrated by integrating a guided-mode resonance (GMR) filter and a thin-film thermocouple. The detector utilizes the GMR effect to selectively absorb light at a specific wavelength and raise the temperature at the thermocouple. The voltage output of the thermocouple strongly depends on the coupling between the GMR mode and incoming light.

Key concepts: Narrowband, Thermocouple, Detector, Materials science, Guided-mode resonance, Optoelectronics, Resonance (particle physics), Optics

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