Fast scanner with position monitor for large optical delays

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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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Detalles Bibliográficos
Autores principales: Costantino, S., Libertun, A.R., Do Campo, P., Torga, J.R., Martínez, O.E.
Formato: JOUR
Materias:
Autocorrelator
Fast scan
Optical delay
Oscillating stepper motor
Position monitor
Pump and probe
Actuators
Oscillations
Scanning
Semiconductor lasers
Stepping motors
Tracking (position)
Optical delays
Optical systems
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00304018_v198_n4-6_p287_Costantino
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario: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. © 2001 Elsevier Science B.V. All rights reserved.

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