Fast scanner with position monitor for large optical delays

We present a new fast scan system that employs a stepper motor used in a single step oscillating mode and a position monitor device based on a diode laser. The setup used generates delays as large as 105 ps at 10 Hz, with 100% duty cycle. We also introduce a reliable device based on the shadow of a...

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Veröffentlicht in:	Optics communications 2001-11, Vol.198 (4), p.287-291
Hauptverfasser:	Costantino, S, Libertun, A.R, Do Campo, P, Torga, J.R, Martı́nez, O.E
Format:	Artikel
Sprache:	eng
Schlagworte:	Autocorrelator Exact sciences and technology Fast scan Fundamental areas of phenomenology (including applications) Instruments, apparatus, components and techniques common to several branches of physics and astronomy Interferometers Optical delay Optical elements, devices, and systems Optical instruments, equipment and techniques Optics Oscillating stepper motor Physics Position monitor Pump and probe Scanners, image intensifiers, and image converters
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Beschreibung
Zusammenfassung:	We present a new fast scan system that employs a stepper motor used in a single step oscillating mode and a position monitor device based on a diode laser. The setup used generates delays as large as 105 ps at 10 Hz, with 100% duty cycle. We also introduce a reliable device based on the shadow of a moving cutter with a laser diode as the light source to avoid power fluctuations problems.
ISSN:	0030-4018 1873-0310
DOI:	10.1016/S0030-4018(01)01541-3