Generally these studies are performed in our DC Superconducting Magnets (fields up to 17 T), and in temperatures down to 1.5K or 300mK using pumped helium-4 or helium-3.
Instrumentation
- Ultrafast (100fs) Ti:sapphire oscillator (frequency doubling available)
- Visible & IR Optical Parametric Oscillator
- Pulsed whitelight generation via photonic crystal fiber
- Picosecond pulsed lasers (blue, red wavelengths from Picoquant)
- Instrumentation for time-correlated single-photon counting
- Multichannel-plate PMT and avalanche photodiodes for time-resolved PL
- 300 mm & 500 mm spectrometers (Acton)
Images & Sample Data
Click on an image for larger view and details.
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Acousto-optic pulse-picker
Acousto-optic pulse-picker
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Output of the OPO
Output of the OPO
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Ti:S oscillator and optical parametric oscillator
Ti:S oscillator and optical parametric oscillator
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7T/8T Split-Coil Magnet.
7T/8T Split-Coil Magnet.
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Magnetic circular dichroism & Faraday rotation.
Magnetic circular dichroism & Faraday rotation.
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Magnetic circular dichroism & Faraday rotation.
Magnetic circular dichroism & Faraday rotation.
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Magnetic circular dichroism & Faraday rotation.
Magnetic circular dichroism & Faraday rotation.
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Time-correlated single photon counting (TCSPC): sample data.
Time-correlated single photon counting (TCSPC): sample data.
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Time-correlated single photon counting (TCSPC): sample data.
Time-correlated single photon counting (TCSPC): sample data.
View the embedded image gallery online at:
https://nationalmaglab.org/user-facilities/pulsed-field-facility/pff-measurement-techniques/ir-thz-optical-spectroscopy-pff#sigProIdaef0da31a2
https://nationalmaglab.org/user-facilities/pulsed-field-facility/pff-measurement-techniques/ir-thz-optical-spectroscopy-pff#sigProIdaef0da31a2
Related Publications
R.D. Schaller, et al, Revealing the exciton fine structure in PbSe nanocrystal quantum dots using optical spectroscopy and high magnetic fields, Phys. Review Letters 105 (2010) Read online
M. Furis, et al, Time- and polarization-resolved optical spectroscopy fo collodial CdSe nanocrystal quantum dots in high magnetic fields, J. Phys. Chem. B 109 (2005) Read online