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Heavily doped semiconductor samples for Thermophotovoltaic Applications

TRPL Up-conversion Photon Counting System. Typical PL response of heavily doped semiconductor samples. PC with LabView. I SF ~ I PL .  PL. I PL.  PL +  Las. GPIB. T  1000 0 C. NL crystal.  Las. I Las. PMT. Photoluminescence Up-conversion. Monochromator. PPLN.

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Heavily doped semiconductor samples for Thermophotovoltaic Applications

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  1. TRPL Up-conversion Photon Counting System Typical PL response of heavily doped semiconductor samples PC with LabView ISF~ IPL PL IPL PL+ Las GPIB T1000 0C NL crystal Las ILas PMT Photoluminescence Up-conversion Monochromator PPLN Sum frequency radiation SF=PL+ Las h > Eg Excitation pulse SF=PL+Las Luminescence PL BS Las PL Reflective objective Sample Delay line Nd:glass laser 150 fs/100 MHz Delayed laser pulse Las delay  Heavily doped semiconductor samples for Thermophotovoltaic Applications Thermophotovoltaic (TPV) generation of electricity offers fundamental advantages relative to other direct energy conversion techniques (e.g., thermoelectric, thermionic) The most important is the ability to recuperate the low energy waste heat

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