Two-Photon Absorption Circular Dichroism: A New Twist in Nonlinear Spectroscopy

Herein we report on the full experimental measurement of the two‐photon absorption circular dichroism spectra of (S)‐(−)‐1,1′‐bi(2‐naphthol) and (R)‐(+)‐1,1′‐bi(2‐naphthol), their analysis, and theoretical support. The finding of new nonlinear optical fingerprints in chiral molecules offers new oppo...

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Bibliographic Details
Published in:Chemistry : a European journal 2010-03, Vol.16 (11), p.3504-3509
Main Authors: Toro, Carlos, De Boni, Leonardo, Lin, Na, Santoro, Fabrizio, Rizzo, Antonio, Hernandez, Florencio E.
Format: Article
Language:English
Subjects:
Absorption
Chemistry
chirality
Circular Dichroism
Circularity
Dichroism
Fingerprints
Kemi
Naphthols - chemistry
NATURAL SCIENCES
NATURVETENSKAP
Nonlinearity
Optical activity
Photons
Recognition
Spectra
Spectroscopy
Spectrum analysis
Stereoisomerism
Teoretisk kemi
Theoretical chemistry
two-photon absorption
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Summary:Herein we report on the full experimental measurement of the two‐photon absorption circular dichroism spectra of (S)‐(−)‐1,1′‐bi(2‐naphthol) and (R)‐(+)‐1,1′‐bi(2‐naphthol), their analysis, and theoretical support. The finding of new nonlinear optical fingerprints in chiral molecules offers new opportunities in the recognition and understanding of optically active systems in regions where CD could present strong limitations. Rotation does matter! Two‐photon absorption circular dichroism (2PA‐CD) opens new opportunities in the fundamental study of chiral systems and their recognition in regions where CD presents strong limitations.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.200902286