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Differential scanning optical microscopy with a thz quantum cascade laser source

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Published
Publication date2010
Host publicationIRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide
PublisherIEEE
ISBN (Print)9781424466573
<mark>Original language</mark>English
Event35th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2010 - Rome, Italy
Duration: 5/09/201010/09/2010

Conference

Conference35th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2010
Country/TerritoryItaly
CityRome
Period5/09/1010/09/10

Conference

Conference35th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2010
Country/TerritoryItaly
CityRome
Period5/09/1010/09/10

Abstract

We present a differential Near-field Scanning Optical Microscope (NSOM) operating with subwavelength resolution in the THz spectral region. The system, which employs a quantum cascade laser emitting at λ=105 μm as source, has been been tested on metal and graphite objects, with a resolution of ∼ λ/10.