Development of microwave control in pulsed-ESR apparatus

In order to diminish the deadtime and remove the unwanted signals in the pulsed-ESR measurement, a new four-port phase switching circuit and main/slave switching circuit were developed and attached to the pulsed-ESR microwave circuit. Moreover, the gate of a travelling-wave-tube amplifier (TWTA) was...

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Veröffentlicht in:	JPN J APPL PHYS PART 1 REGUL PAP SHORT NOTE REV PAP 1993-03, Vol.32 (3A), p.1262-1267
Hauptverfasser:	MIZUTA, Y, KOHNO, M, FUJII, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Infrared, submillimeter wave, microwave and radiowave instruments, equipment and techniques Instruments, apparatus, components and techniques common to several branches of physics and astronomy Physics Submillimeter wave, microwave and radiowave spectrometers magnetic resonance spectrometers, auxiliary equipments and techniques
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Beschreibung
Zusammenfassung:	In order to diminish the deadtime and remove the unwanted signals in the pulsed-ESR measurement, a new four-port phase switching circuit and main/slave switching circuit were developed and attached to the pulsed-ESR microwave circuit. Moreover, the gate of a travelling-wave-tube amplifier (TWTA) was shared to accommodate each main pulse in order to perform the multiple pulse experiment for a duration beyond the limitation of a single TWTA gate. These fabrications were very effective in the pulsed-ESR measurement.
ISSN:	0021-4922 1347-4065
DOI:	10.1143/jjap.32.1262