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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 6 — Mar. 15, 2014
  • pp: 1410–1413

Mechanoluminescence of SrAl2O4:Eu2+, Dy3+ under cyclic loading

Kee-Sun Sohn, Woon Bae Park, Suman Timilsina, and Ji Sik Kim  »View Author Affiliations

Optics Letters, Vol. 39, Issue 6, pp. 1410-1413 (2014)

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The mechanoluminescence (ML) of SrAl2O4:Eu2+, Dy3+ (SAO) has been of particular interest based on the possibility that these materials could be used as nondestructive, reproducible stress (or load) sensors. However, there has been no in-depth study of ML under a cyclic load. It was found that a cyclic load generated harmonics in the ML response. The second harmonic term exhibiting a doubled frequency was significant, but the others could be ignored. In addition, hysteresis behavior was observed in the ML and was examined by comparison with the hysteresis that is typical in piezoelectricity.

© 2014 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.4670) Materials : Optical materials

ToC Category:
Remote Sensing and Sensors

Original Manuscript: January 7, 2014
Manuscript Accepted: January 23, 2014
Published: March 5, 2014

Kee-Sun Sohn, Woon Bae Park, Suman Timilsina, and Ji Sik Kim, "Mechanoluminescence of SrAl2O4:Eu2+, Dy3+ under cyclic loading," Opt. Lett. 39, 1410-1413 (2014)

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