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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 35 — Dec. 10, 2008
  • pp: 6524–6529

Sealing glass ampoules with C O 2 lasers

Junke Jiao, Xinbing Wang, and Wenlong Tang  »View Author Affiliations


Applied Optics, Vol. 47, Issue 35, pp. 6524-6529 (2008)
http://dx.doi.org/10.1364/AO.47.006524


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Abstract

Glass ampoules were always sealed by melting in the presence of a flame to create closures. Some poisonous gases were generated in this sealing process that pollute the injection drug and are physically harmful. In this study, C O 2 lasers were proposed for sealing glass ampoules. Because of the clean noncontact sealing process with lasers, there was nearly no pollution of the injection drug. To study in detail the principle of this sealing process, a mathematical model was put forward, and the temperature and the thermal stress field around the ampoule’s neck were calculated by ANSYS software. Through experimental study, 1 ml and 5 ml ampoules were sealed successfully by a dual-laser-beam method. The results show that a laser source is an ideal heat source for sealing glass ampoules.

© 2008 Optical Society of America

OCIS Codes
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3390) Lasers and laser optics : Laser materials processing

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 22, 2008
Manuscript Accepted: September 19, 2008
Published: December 3, 2008

Virtual Issues
Vol. 4, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Junke Jiao, Xinbing Wang, and Wenlong Tang, "Sealing glass ampoules with CO2 lasers," Appl. Opt. 47, 6524-6529 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-35-6524

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