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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 23 — Aug. 10, 2012
  • pp: 5649–5656

Fabrication of molded chalcogenide-glass lens for thermal imaging applications

Du Hwan Cha, Hye-Jeong Kim, Yeon Hwang, Jae Cheol Jeong, and Jeong-Ho Kim  »View Author Affiliations


Applied Optics, Vol. 51, Issue 23, pp. 5649-5656 (2012)
http://dx.doi.org/10.1364/AO.51.005649


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Abstract

With the recent development of less costly uncooled detector technology, expensive optics are among the remaining significant cost drivers. As a potential solution to this problem, the fabrication of IR lenses using chalcogenide glass has been studied in recent years. We report on the fabrication of a molded chalcogenide-glass lens for car night vision and on the evaluation of the lens. The moldability of chalcogenide glass was characterized through transcription properties of the mold’s surface. In addition, both IR transmittance and x-ray diffraction patterns of the molded chalcogenide-glass lens were evaluated to verify the compositional and structural stability of the glass material under the given molding conditions.

© 2012 Optical Society of America

OCIS Codes
(110.6820) Imaging systems : Thermal imaging
(120.4610) Instrumentation, measurement, and metrology : Optical fabrication
(220.3630) Optical design and fabrication : Lenses

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: May 8, 2012
Revised Manuscript: June 27, 2012
Manuscript Accepted: June 28, 2012
Published: August 2, 2012

Citation
Du Hwan Cha, Hye-Jeong Kim, Yeon Hwang, Jae Cheol Jeong, and Jeong-Ho Kim, "Fabrication of molded chalcogenide-glass lens for thermal imaging applications," Appl. Opt. 51, 5649-5656 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-23-5649

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