Superradiant properties of 4,4 '-bis(1H-phenanthro[9,10-d]imidazol-2-yl)biphenyl and how a laser dye with exceptional stability can be obtained in only one synthetic step

Authors
Krebs, FC Lindvold, LR Jorgensen, M
Citation
Fc. Krebs et al., Superradiant properties of 4,4 '-bis(1H-phenanthro[9,10-d]imidazol-2-yl)biphenyl and how a laser dye with exceptional stability can be obtained in only one synthetic step, TETRAHEDR L, 42(38), 2001, pp. 6753-6757
Citations number
14
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
42
Issue
38
Year of publication
2001
Pages
6753 - 6757
Database
ISI
SICI code
0040-4039(20010917)42:38<6753:SPO4'>2.0.ZU;2-Y
Abstract
The extremely facile synthesis of a very stable laser dye with superradiant properties is reported. The laser action of the dye is demonstrated throug h a transverse pumping scheme with the advantage that no elaborate laser re sonator is required due to the very high gain of the laser medium. The emit ted light exhibits speckle, spatial coherence and the ability to be collima ted by a lens. (C) 2001 Elsevier Science Ltd. All rights reserved.