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Proceedings Paper

Two-photon FRET-based 3D optical data storage in a composite polymer containing a photochromic diarylethene and a fluorene dye
Author(s): Claudia C. Corredor; Zhen-Li Huang; Kevin D. Belfield
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Paper Abstract

In this proceeding we report the principles for a novel 3-D RET-based two-photon optical storage device based on a photochromic diarylethene (1,2-bis(2-methylbenzo[b]thiophen-3-yl) hexafluorocyclopentene (1) and a fluorene derivative (2,7-bis[4-(9,9-didecylfluoren-2-yl)vinyl] phenylbenzothiazole (2)), suitable for recording data in thick storage media. Data was recorded by linear (single-photon) and non-linear (two-photon) excitation of the closed form of diarylethene 1. The read-out mechanism is based on resonance energy transfer (RET) from fluorene derivative 2 to the closed form of diarylethene 1. Bright fluorescent data patterns were recorded onto the photosensitive film, providing excellent contrast and resolution. Two-photon characterization with a tunable mode-locked femtosecond Ti:sapphire laser gave evidence of the cycloreversion reaction from the closed to the open photoisomer by excitation at 800 nm. We demonstrated non-destructive readout of 3D data stored in multiple layers by using two-photon induced fluorescence modulation. Readout of the stored information can be done for >10,000 cycles without significantly compromising the stored data.

Paper Details

Date Published: 14 September 2006
PDF: 10 pages
Proc. SPIE 6330, Nonlinear Optical Transmission and Multiphoton Processes in Organics IV, 63300A (14 September 2006); doi: 10.1117/12.684535
Show Author Affiliations
Claudia C. Corredor, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)
Bristol-Myers Squibb Pharmaceutical Research Institute (United States)
Zhen-Li Huang, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)
Huazhong Univ. of Science and Technology (China)
Kevin D. Belfield, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 6330:
Nonlinear Optical Transmission and Multiphoton Processes in Organics IV
A. Todd Yeates; Kevin D. Belfield; Francois Kajzar, Editor(s)

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