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Coherent photon interference elimination and spectral correction in femtosecond time-resolved fluorescence non-collinear optical parametric amplification spectroscopy
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10.1063/1.4812344
/content/aip/journal/rsi/84/7/10.1063/1.4812344
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/7/10.1063/1.4812344
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Setup of fluorescence noncollinear optical parametric amplification spectroscopy. BS: 1:1 beam splitter; L1-L4: lens; F1: 532 nm band pass filter; λ/2: 532 nm half-wave plate; F2: 550 nm long pass filter; SC: sample cell; HR: high reflective mirror at 400 nm; NOPA: non-collinear parametric amplifier.

Image of FIG. 2.
FIG. 2.

The intensity temporal profiles of 532 nm laser beam and its scattered light collected by the Cassegrain objective. Inset: The intensity temporal profile of 532 nm laser beam (red solid line) and its fitting (blue dashed line).

Image of FIG. 3.
FIG. 3.

Spatial and temporal properties of the Cassegrain objective for the sample of 1 mm thick. (a) Relative number of photons intercepted between and + d. (b) Relative number of photons arriving at the image plane at a time delay .

Image of FIG. 4.
FIG. 4.

The kinetic trace of amplified fluorescence at 561 nm (blue dashed line) and its fitting curve (red solid line).

Image of FIG. 5.
FIG. 5.

The calculated wavelength-dependent time delay curve for the experimental setup.

Image of FIG. 6.
FIG. 6.

The comparison between the corrected transient fluorescence spectra of Rhodamine 6G and the standard spectrum R1. The corrected transient fluorescence spectra are offset for clarity. The arrow represents the sequence of time delay increase.

Image of FIG. 7.
FIG. 7.

The comparison between the corrected transient fluorescence spectra of Rhodamine 640 and the standard spectrum R2. The corrected transient fluorescence spectra are offset for clarity. The arrow represents the sequence of time delay increase.

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/content/aip/journal/rsi/84/7/10.1063/1.4812344
2013-07-10
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Coherent photon interference elimination and spectral correction in femtosecond time-resolved fluorescence non-collinear optical parametric amplification spectroscopy
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/7/10.1063/1.4812344
10.1063/1.4812344
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