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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 9 — Sep. 4, 2009

Selective mode excitation in dye-doped DNA polyvinyl alcohol thin film

Nithyaja Balan, Misha Hari, and Vadakkedathu Parameswaran Narayana Nampoori  »View Author Affiliations


Applied Optics, Vol. 48, Issue 19, pp. 3521-3525 (2009)
http://dx.doi.org/10.1364/AO.48.003521


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Abstract

A solid-state laser based on a dye-doped deoxyribonucleic acid (DNA) matrix is described. A thin solid film of DNA has been fabricated by treating with polyvinyl alcohol (PVA) and used as a host for the laser dye Rhodamine 6G. The edge emitted spectrum clearly indicated the existence of laser modes and amplified spontaneous emission. Lasing was obtained by pumping with a frequency-doubled Nd:YAG laser at 532 nm . For a pump energy of 10 mJ / pulse , an intense line with FWHM 0.2 nm was observed at 566 nm due to selective mode excitation.

© 2009 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3380) Lasers and laser optics : Laser materials
(160.3380) Materials : Laser materials
(160.1435) Materials : Biomaterials

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 10, 2009
Revised Manuscript: May 14, 2009
Manuscript Accepted: June 1, 2009
Published: June 22, 2009

Virtual Issues
Vol. 4, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Nithyaja Balan, Misha Hari, and Vadakkedathu P. N. Nampoori, "Selective mode excitation in dye-doped DNA polyvinyl alcohol thin film," Appl. Opt. 48, 3521-3525 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-48-19-3521

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