Abstract
Optical absorption,S 1 lifetime, and photostability are investigated for a series of heptamethine ir dyes and related to chemical structure. The high photostability of several dyes and the large range ofS 1 lifetimes make these dyes very interesting for ir dye lasers and for ir mode-locked laser systems.
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Kopainsky, B., Qiu, P., Kaiser, W. et al. Lifetime, photostability, and chemical structure of IR heptamethine cyanine dyes absorbing beyond 1 μm. Appl. Phys. B 29, 15–18 (1982). https://doi.org/10.1007/BF00694363
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DOI: https://doi.org/10.1007/BF00694363