Experimental characterization of two-photon materials for fast rewritable optical data storage

被引：2

作者：

Makarov, Nikolay ^{[1
]}

Drobizhev, Mikhail ^{[1
]}

Rebane, Aleks ^{[1
]}

Peone, Desiree ^{[1
]}

Wolleb, Heinz ^{[2
]}

Spahni, Heinz ^{[2
]}

机构：

[1] Montana State Univ, Dept Phys, Bozeman, MT 59717 USA

[2] Ciba Specialty Chem Inc, CH-4002 Basel, Switzerland

来源：

NONLINEAR OPTICAL TRANSMISSION AND MULTIPHOTON PROCESSES IN ORGANICS IV | 2006年 / 6330卷

关键词：

two-photon absorption; resonance enhancement; 3D optical disk; phthalocyanines;

D O I：

10.1117/12.681253

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study one photon absorption (IPA) and two photon absorption (2PA) properties of a series of asymmetrical phthalocyanines for 2PA-based 3D optical information storage. These compounds show very large 2PA cross section, 10(3) - 10(4) GM, in near IR range of excitation, from 800 to 900 nm. This strong resonance enhancement effect is possible due to one-photon-allowed and narrow intermediate Q-transition, occurring in very vicinity of excitation wavelength. We report 2PA spectra, 2PA cross-sections, temperature stability, tautomerization and fluorescence quantum yields, measured in organic solvents and in polymer films in temperature range 77 - 300K. We show that the unique combination of photophysical properties make these compounds attractive candidates for fast re-writable volumetric storage.

引用

页数：12

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