Naohito Uetake

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A novel approach to the analysis of ecstasy tablets by direct mass spectrometry coupled with thermal desorption (TD) and counter-flow introduction atmospheric pressure chemical ionization (CFI-APCI) is described. Analytes were thermally desorbed with a metal block heater and introduced to a CFI-APCI source with ambient air by a diaphragm pump. Water in the(More)
We constructed terahertz time-domain spectroscopy (THz-TDS) systems using compact probe heads, which are connected with large-mode-area photonic crystal fibers (LMA PCFs), which in turn are used for guiding ultrashort optical pulses to THz probe heads. The LMA-PCF based THz-TDS system had comparable THz radiation power and bandwidth with those obtained by a(More)
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