Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 88, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4998985
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Funding
- German Research Foundation [Deutsche Forschungsgemeinschaft (DFG)] [DU 954-8/1, DU 954-11/1]
- Federal Ministry of Education and Research (BMBF
- Germany) [5K13WC3, O5K2013, 5K16WC1]
- DFG (Germany) [DU393/10-1]
- BMBF (Germany) [DU393/10-1]
- DFG through the CarboPaT Research Unit [FOR2125, Mc 3/20, Du 393/9]
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A portable double-sided pulsed laser heating system for diamond anvil cells has been developed that is able to stably produce laser pulses as short as a few microseconds with repetition frequencies up to 100 kHz. In situ temperature determination is possible by collecting and fitting the thermal radiation spectrum for a specific wavelength range (particularly, between 650 nm and 850 nm) to the Planck radiation function. Surface temperature information can also be time-resolved by using a gated detector that is synchronized with the laser pulse modulation and space-resolved with the implementation of a multi-point thermal radiation collection technique. The system can be easily coupled with equipment at synchrotron facilities, particularly for nuclear resonance spectroscopy experiments. Examples of applications include investigations of high-pressure high-temperature behavior of iron oxides, both in house and at the European Synchrotron Radiation Facility using the synchrotron Mossbauer source and nuclear inelastic scattering. Published by AIP Publishing.
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