Abstract
The selection of aromatic hydrocarbons as laser dyes can be facilitated by having all spectroscopic data available for the dye under consideration. From polarization studies of transient absorptions the direction of the transition moments may be obtained, which gives an indication which substituent has to be used to shift certain absorption or emission bands. The use of all available data is demonstrated for anthracene being the “parent” dye.
Excimer laser action from pyrene crystals can be excluded using similar considerations due to excited singlet-state absorption losses.
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Langelaar, J. Use of time-resolved excited state spectroscopy for selection of laser dyes. Appl. Phys. 6, 61–64 (1975). https://doi.org/10.1007/BF00883550
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DOI: https://doi.org/10.1007/BF00883550