منابع مشابه
Magnon-drag thermopile.
Thermoelectric effects in spintronics are gathering increasing attention as a means of managing heat in nanoscale structures and of controlling spin information by using heat flow. Thermal magnons (spin-wave quanta) are expected to play a major role; however, little is known about the underlying physical mechanisms involved. The reason is the lack of information about magnon interactions and of...
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The thermocolumn or thermopile comprises a series of thermoelements, each element being a thin wire made of two materials of different thermal activity. When a temperature difference occurs between the two ends of a wire, an electrical tension thermotension, develops. Connecting several thermoelements in series adds together the thermotension of each element, producing a useful electrical outpu...
متن کاملThermopile detector of light ellipticity
Polarimetric imaging is widely used in applications from material analysis to biomedical diagnostics, vision and astronomy. The degree of circular polarization, or light ellipticity, is associated with the S3 Stokes parameter which is defined as the difference in the intensities of the left- and right-circularly polarized components of light. Traditional way of determining this parameter relies...
متن کاملTHz Detection by Thermopile Antenna
A novel MEMS thermopile structure is presented, which consist of linearly arranged pand ntype polysilicon strips instead of the conventional loop-like configuration. It is shown that these devices sense the millimeter wave radiation beyond the infrared. The polarity and frequency dependence of the sensitivity prove that these strips behave as absorbing antennas towards the microwave/millimeter ...
متن کاملGraphene-Based Thermopile for Thermal Imaging Applications.
In this work, we leverage graphene's unique tunable Seebeck coefficient for the demonstration of a graphene-based thermal imaging system. By integrating graphene based photothermo-electric detectors with micromachined silicon nitride membranes, we are able to achieve room temperature responsivities on the order of ~7-9 V/W (at λ = 10.6 μm), with a time constant of ~23 ms. The large responsiviti...
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ژورنال
عنوان ژورنال: Physical Review (Series I)
سال: 1910
ISSN: 1536-6065
DOI: 10.1103/physrevseriesi.31.666