Showing papers by "Yoshiyuki Okamoto published in 1999"
18 May 1999
TL;DR: In this paper, the authors demonstrated efficient and photostable laser action in graded index polymer fiber lasers doped with organic dyes such as Rhodamines, Perylenes and Pyrromethenes Slope efficiency of 47 percent and output of 26 mJ have been obtained with a Rhodamine 6G-doped fiber laser.
Abstract: We demonstrated efficient and photostable laser action in graded index polymer fiber lasers doped with organic dyes such as Rhodamines, Perylenes and Pyrromethenes Slope efficiency of 47 percent and output of 26 mJ have been obtained with a Rhodamine 6G-doped fiber laser Moreover, we encapsulated rare earth ions to incorporate them into polymer matrices and studied spectroscopic properties of europium chelates in polymer hosts Superfluorescent polymer fiber sources based on Eu chelate-doped polymer optical fiber was demonstrated
22 citations