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Proceedings Article

Tunable DFB lasers based on DNA-surfactant-dye complexes

[+] Author Affiliations
Toshifumi Chida, Yutaka Kawabe

Chitose Institute of Science and Technology (Japan)

Proc. SPIE 8464, Nanobiosystems: Processing, Characterization, and Applications V, 84640E (October 15, 2012); doi:10.1117/12.928551
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From Conference Volume 8464

  • Nanobiosystems: Processing, Characterization, and Applications V
  • Norihisa Kobayashi; Fahima Ouchen; Ileana Rau
  • San Diego, California, USA | August 12, 2012

abstract

We succeeded to observe fluorescence enhancement and tunable laser emission from spin coated films of DNAcetyltrimetylammonium (CTMA) complex doped with weakly fluorescent cyanine dyes, DiQC2(1) and DiQC2(3) which were optically excited by interfering two beams forming a induced dynamic grating. Wavelength tuning of the laser emission was achieved by varying the angle between the pumping beams determining the grating period on the film. Degradation processes of the dye-doped films of DNA complex and PMMA were investigated and compared by monitoring absorption spectra after continuous excitation with a pulsed laser. Roles of DNA for fluorescence enhancement and improved durability were confirmed for these cyanine dyes. © (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Toshifumi Chida and Yutaka Kawabe
" Tunable DFB lasers based on DNA-surfactant-dye complexes ", Proc. SPIE 8464, Nanobiosystems: Processing, Characterization, and Applications V, 84640E (October 15, 2012); doi:10.1117/12.928551; http://dx.doi.org/10.1117/12.928551


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