Development of an organic dye solution for laser cooling by anti-Stokes fluorescence

Autor:	Garry Rumbles, Jarett Levi Bartholomew, Bauke Heeg, Peter A. DeBarber
Rok vydání:	2001
Předmět:	Rhodamine Solvent chemistry.chemical_compound Dye laser Materials science chemistry Absorption spectroscopy Chemical physics Drop (liquid) Laser cooling Luminescence Fluorescence
Zdroj:	MRS Proceedings. 667
ISSN:	1946-4274 0272-9172
DOI:	10.1557/proc-667-g1.7
Popis:	Several independent groups have observed optical cooling by means of anti-Stokes luminescence in condensed media. The most promising materials are grouped into two categories: ion-doped glasses and organic dye solutions. It is this latter group that we focus our efforts on. Recent studies by our group show that irradiating a solution of rhodamine 101 in the long wavelength wing of the absorption spectrum results in the observation of optical cooling. To improve upon the initial observation of a few degree drop in temperature requires a better understanding of the conditions and phenomena leading to anti-Stokes luminescence in dye solutions. We develop a thermal lensing experiment to obtain fluorescence quantum yields of various dye solutions. The importance of concentration, choice of solvent, deuteration, and acidification are discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::f8bb9a056514bb2977ca2d079736e41f https://doi.org/10.1557/proc-667-g1.7 Zobrazit plný text záznamu Full text from SpringerLink