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Applied Optics

Applied Optics


  • Vol. 41, Iss. 7 — Mar. 1, 2002
  • pp: 1366–1367

Dispersion of barium gallogermanate glass

David E. Zelmon, Shyam S. Bayya, Jasbinder S. Sanghera, and Ishwar D. Aggarwal  »View Author Affiliations

Applied Optics, Vol. 41, Issue 7, pp. 1366-1367 (2002)

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Gallogermanate glasses are the subject of intense study as a result of their unique combination of physical and optical properties, including transmission from 0.4 to beyond 5.0 µm. These glasses can be easily made into large optics with high-index homogeneity for numerous U.S. Department of Defense and commercial visible-IR window applications such as reconnaissance, missile domes, IR countermeasures, avionics, and collision avoidance on automobiles. These applications require a knowledge of the refractive index of glass throughout the region of transmission. Consequently, we have measured the refractive index of BaO-Ga2O3-GeO2 glass from 0.4 to 5.0 µm and calculated the Sellmeier coefficients required for optical device design.

© 2002 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties

Original Manuscript: April 23, 2001
Revised Manuscript: October 31, 2001
Published: March 1, 2002

David E. Zelmon, Shyam S. Bayya, Jasbinder S. Sanghera, and Ishwar D. Aggarwal, "Dispersion of barium gallogermanate glass," Appl. Opt. 41, 1366-1367 (2002)

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