Polarization and wavelength dependent nonlinear optical properties of a photo-switchable organic crystal

Michel Sliwa, Keitaro Nakatani, Tsuyoshi Asahi, Pascal G. Lacroix, Robert B. Pansu, Hiroshi Masuhara

Research output: Contribution to journalArticlepeer-review

Abstract

Polarization dependence of the second harmonic generation (SHG) was studied on a single crystal of the photochromic N-(3,5-di-tert-butylsalicylidene)-4-aminopyridine (4P). The optimal polarization condition for SHG is obtained when both the fundamental and second harmonic waves are parallel to the main axis of the crystal. This experimental result was correlated with calculations based on X-ray diffraction structure. Also, wavelength dependent studies showed that SHG-switching on near-UV irradiation could be tuned by utilizing the absorption and resonance effects of the photo-induced species.

Original languageEnglish
Pages (from-to)212-217
Number of pages6
JournalChemical Physics Letters
Volume437
Issue number4-6
DOIs
Publication statusPublished - 2 Apr 2007
Externally publishedYes

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