Second harmonic generation imaging with a kHz amplifier [Invited]
被引:14
作者:
Peterson, Mark D.
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Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Peterson, Mark D.
[1
]
Hayes, Patrick L.
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Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA
Univ Colorado, NOAA, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Hayes, Patrick L.
[2
,3
]
Martinez, Imee Su
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Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Martinez, Imee Su
[1
]
Cass, Laura C.
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Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Cass, Laura C.
[1
]
Achtyl, Jennifer L.
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Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Achtyl, Jennifer L.
[1
]
Weiss, Emily A.
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Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Weiss, Emily A.
[1
]
Geiger, Franz M.
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Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Geiger, Franz M.
[1
]
机构:
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[2] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA
[3] Univ Colorado, NOAA, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA
Nonlinear optical imaging is a powerful method for observing bulk and interfacial phenomena in time and space. Here, we present a step-by-step description of how to carry out second harmonic generation imaging with a kHz amplifier laser system and demonstrate its applicability for SHG microscopy studies of highly size-resolved colloidal CdSe quantum dots having radii of 1-2 nm deposited on glass slides. It is found that not all quantum dots are SHG active, which suggests that environmental effects and particle distributions are important for SHG activity of quantum dots. (C) 2011 Optical Society of America