Stress measurements in glass by use of double thermal gratings

Bret D. Cannon, Chester Shepard, Mohammad Khaleel

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We developed a nondestructive and noncontact method for measuring stress at the midplane of tempered glass plates that uses Bragg scattering from a pair of thermal gratings. These gratings are formed by 1064-nm beams from a seeded Nd:YAG laser, and we measure the polarization state of light from a 532-nm beam that scatters from both thermal gratings. The change in polarization of the doubly scattered light with separation between the two gratings allows measurement of the in-plane stress. A model of the Bragg scattering efficiency, experimental investigations of the scattered beams, and stress measurements are reported.

Original languageEnglish
Pages (from-to)5354-5369
Number of pages16
JournalApplied Optics
Volume40
Issue number30
Publication statusPublished - 20 Oct 2001
Externally publishedYes

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stress measurement
polarization
glass
scattering
gratings
laser
plane stress
YAG lasers
method
measuring

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Cannon, B. D., Shepard, C., & Khaleel, M. (2001). Stress measurements in glass by use of double thermal gratings. Applied Optics, 40(30), 5354-5369.

Stress measurements in glass by use of double thermal gratings. / Cannon, Bret D.; Shepard, Chester; Khaleel, Mohammad.

In: Applied Optics, Vol. 40, No. 30, 20.10.2001, p. 5354-5369.

Research output: Contribution to journalArticle

Cannon, BD, Shepard, C & Khaleel, M 2001, 'Stress measurements in glass by use of double thermal gratings', Applied Optics, vol. 40, no. 30, pp. 5354-5369.
Cannon BD, Shepard C, Khaleel M. Stress measurements in glass by use of double thermal gratings. Applied Optics. 2001 Oct 20;40(30):5354-5369.
Cannon, Bret D. ; Shepard, Chester ; Khaleel, Mohammad. / Stress measurements in glass by use of double thermal gratings. In: Applied Optics. 2001 ; Vol. 40, No. 30. pp. 5354-5369.
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