Open AccessAn intense elastico-mechanoluminescence material CaZnOS:Mn^2+ for sensing and imaging multiple mechanical stresses
Author(s) -
Juncheng Zhang,
ChaoNan Xu,
Sunao Kamimura,
Yujin Terasawa,
Hiroshi Yamada,
Xusheng Wang
Publication year - 2013
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.21.012976
Subject(s) - mechanoluminescence , materials science , optics , stress (linguistics) , deformation (meteorology) , intensity (physics) , compression (physics) , composite material , optoelectronics , phosphor , physics , linguistics , philosophy
The elastico-mechanoluminescence (EML) properties of CaZnOS:Mn2+ are investigated. The CaZnOS:Mn2+/epoxy resin composite can simultaneously "feel" (sense) and "see" (image) various types of mechanical stress over a wide energy and frequency range (ultrasonic vibration, impact, friction and compression) as an intense red emission (610 nm) from Mn2+ ions. Further, the accurate linear relation between emission intensity and different stress parameters (intensity, energy and deformation rate) are confirmed. The EML mechanism is explained using a piezoelectrically induced trapped carrier excitation mode. All the results imply that CaZnOS:Mn2+ has potential as a stress probe to sense and image multiple mechanical stresses and decipher the stress intensity distribution.