Transmittance Near-field measurements in the UV-visible/NIR range at 0.1 to 1 µm spatial resolution

By Heather Haffner

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August 23, 2022

Introduction

Jasco NFS 300
Jasco NFS 300

Photoluminescence (PL) and electroluminescence (EL) measurements are standard techniques for evaluation of the crystallinity, functionality and luminescent mechanism of semiconductors. For these samples, near-field optical microscopy is the only effective method for characterization of the composition and distribution of luminescent centers on the nanometer scale.

In combination with a superconductive magnetic field, luminescent spectral measurements of the sample surface can be accomplished with nano-scale spatial resolution while applying temperatures as low as 7K and magnetic fields as high as 4 Tesla.

Luminescent Measurement of InGaN by NFS Series Scanning Near-Field Optical Microspectrometer

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