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Gosciniak J, Mooney M, Gubbins M, et al. Wheatstone bridge configuration for evaluation of plasmonic energy transfer. Sci Rep. 2016;6:24423doi: 10.1038/srep24423.
Gosciniak, J., Mooney, M., Gubbins, M., & Corbett, B. (2016). Wheatstone bridge configuration for evaluation of plasmonic energy transfer. Scientific reports, 624423. https://doi.org/10.1038/srep24423
Gosciniak, J, et al. "Wheatstone bridge configuration for evaluation of plasmonic energy transfer." Scientific reports vol. 6 (2016): 24423. doi: https://doi.org/10.1038/srep24423
Gosciniak J, Mooney M, Gubbins M, Corbett B. Wheatstone bridge configuration for evaluation of plasmonic energy transfer. Sci Rep. 2016 Apr 14;6:24423. doi: 10.1038/srep24423. PMID: 27075120; PMCID: PMC4830976.
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Sci Rep. 2016 Apr 14;6:24423. doi: 10.1038/srep24423.

Wheatstone bridge configuration for evaluation of plasmonic energy transfer.

Scientific reports

J Gosciniak, M Mooney, M Gubbins, B Corbett

Affiliations

  1. Tyndall National Institute, University College Cork, Lee Maltings, Prospect Row, Cork, Ireland.
  2. Seagate Technology, 1 Disc Drive, Springtown Industrial Estate, Londonderry, Northern Ireland, BT48 OBF.

PMID: 27075120 PMCID: PMC4830976 DOI: 10.1038/srep24423

Abstract

We propose an internal (on-chip) Wheatstone bridge configuration to evaluate the efficiency of near-field transducers (NFT) as used in heat-assisted magnetic recording (HAMR). The electric field enhancement between the transducer and the image plane is monitored by measuring the resistance of metal electrodes composing the image plane. The absorption of the enhanced electric field causes an increase in the metal temperature, and thereby, in its resistance whose variation is monitored with an internal Wheatstone bridge which is accurately balanced in the absence of the electric field.

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