title: Fabrication and characterization of a diffraction-grating transducer in thin polybutadiene rubber film for sensing dynamical strain.
abstract: Surface relief gratings are holographically fabricated in thin polybutadiene rubber films produced by both spin coating and dip coating on glass and metal substrates. These thin-film gratings are characterized for their application as efficient transducers for detecting dynamic strain in solids. The performance of these rubber-grating transducers is compared to surface-mounted fiber Bragg gratings for a range of frequencies between 50 Hz and 30 kHz. Dynamic-strain sensitivity around 1 nepsilon/radicalHz is recorded for thin rubber-film grating transducers.
authors.affiliation: Department of Physics, Alabama A&M University, Normal 35762, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Taguenang
authors.forename: A
authors.initials: A
authors.lastname: Kassu
authors.forename: G
authors.initials: G
authors.lastname: Govindarajalu
authors.forename: M
authors.initials: M
authors.lastname: Dokhanian
authors.forename: A
authors.initials: A
authors.lastname: Sharma
authors.forename: P B
authors.initials: PB
authors.lastname: Ruffin
authors.forename: C
authors.initials: C
authors.lastname: Brantley