TITLE

Lasing effect in a hybrid dye-doped biopolymer and photochromic polymer system

AUTHOR(S)
Mysliwiec, Jaroslaw; Sznitko, Lech; Sobolewska, Anna; Bartkiewicz, Stanislaw; Miniewicz, Andrzej
PUB. DATE
April 2010
SOURCE
Applied Physics Letters;4/5/2010, Vol. 96 Issue 14, p141106
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We investigate an amplified spontaneous emission phenomenon and lasing in a two-layer system: a layer of modified deoxyribonucleic acid (DNA) polymeric matrix containing dye which is superimposed on a periodic relief structure formed in photochromic polymer. The luminescent layer was prepared from DNA blended with cationic surfactant molecule cetyltrimethyl-ammonium chloride (CTMA) and a Rhodamine (Rh6G) laser dye. This layer covered a specially designed photochromic polymer layer in which a surface relief grating was inscribed by holographic method in order to form a Bragg reflector for photons. Thin film of the DNA-CTMA:Rh6G/photochromic polymer was excited with pulsed laser.
ACCESSION #
49071267

 

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