Abstract
Laser cooling in fluid solutions of the laser dye rhodamine 101 in acidified ethanol has been observed when the molecule is excited into the low-energy tail of the absorption spectrum, at energies in the region 585-1593 cm-1 lower in energy than the 0-0 band origin at 590 nm. The most efficient cooling is achieved when the laser is tuned to 615 nm when a net cooling power of 0.37 mW per 100 mW of pumping power is observed. In this paper, details leading up to this unique observation are documented: in particular, the quantum efficiencies in highly concentrated solutions and the characterization of anti-Stokes fluorescence as a nonintrusive temperature sensor.
| Original language | English |
|---|---|
| Pages (from-to) | 4428-4437 |
| Number of pages | 10 |
| Journal | Journal of Physical Chemistry A |
| Volume | 102 |
| Issue number | 24 |
| Publication status | Published - Jun 11 1998 |
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ASJC Scopus subject areas
- Physical and Theoretical Chemistry
Cite this
Red edge photophysics of ethanolic rhodamine 101 and the observation of laser cooling in the condensed phase. / Clark, J. L.; Miller, P. F.; Rumbles, Gary.
In: Journal of Physical Chemistry A, Vol. 102, No. 24, 11.06.1998, p. 4428-4437.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Red edge photophysics of ethanolic rhodamine 101 and the observation of laser cooling in the condensed phase
AU - Clark, J. L.
AU - Miller, P. F.
AU - Rumbles, Gary
PY - 1998/6/11
Y1 - 1998/6/11
N2 - Laser cooling in fluid solutions of the laser dye rhodamine 101 in acidified ethanol has been observed when the molecule is excited into the low-energy tail of the absorption spectrum, at energies in the region 585-1593 cm-1 lower in energy than the 0-0 band origin at 590 nm. The most efficient cooling is achieved when the laser is tuned to 615 nm when a net cooling power of 0.37 mW per 100 mW of pumping power is observed. In this paper, details leading up to this unique observation are documented: in particular, the quantum efficiencies in highly concentrated solutions and the characterization of anti-Stokes fluorescence as a nonintrusive temperature sensor.
AB - Laser cooling in fluid solutions of the laser dye rhodamine 101 in acidified ethanol has been observed when the molecule is excited into the low-energy tail of the absorption spectrum, at energies in the region 585-1593 cm-1 lower in energy than the 0-0 band origin at 590 nm. The most efficient cooling is achieved when the laser is tuned to 615 nm when a net cooling power of 0.37 mW per 100 mW of pumping power is observed. In this paper, details leading up to this unique observation are documented: in particular, the quantum efficiencies in highly concentrated solutions and the characterization of anti-Stokes fluorescence as a nonintrusive temperature sensor.
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UR - http://www.scopus.com/inward/citedby.url?scp=0001488471&partnerID=8YFLogxK
M3 - Article
VL - 102
SP - 4428
EP - 4437
JO - Journal of Physical Chemistry A
JF - Journal of Physical Chemistry A
SN - 1089-5639
IS - 24
ER -