GaN light emitting diode as a photoreflectance pump source

A GaN light emitting diode is used as a photoreflectance pump source to acquire optical impedance spectroscopy data. Such a pump source has the advantage of having a controllable pump wave form (intensity, modulation depth, and shape) over a broad frequency range. Given the ready availability of lig...

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Bibliographic Details
Published in:Review of scientific instruments 2000-11, Vol.71 (11), p.4341-4343
Main Authors: Gaskill, D. K., Holm, R. T., Glembocki, O. J.
Format: Article
Language:English
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Summary:A GaN light emitting diode is used as a photoreflectance pump source to acquire optical impedance spectroscopy data. Such a pump source has the advantage of having a controllable pump wave form (intensity, modulation depth, and shape) over a broad frequency range. Given the ready availability of light emitting diodes, many different wavelengths are potentially available.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1318912