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Abstract:

We present a multi-purpose toolkit for digital processing, acquisition, and feedback control designed for physics labs. The kit provides in a compact device the functionalities of several instruments: Function generator, oscilloscope, lock-in amplifier, proportional-integral-derivative filters, ramp scan generator, and a lock-control. The design combines field-programmable-gate-array processing and microprocessor programing to get precision, ease of use, and versatility. It can be remotely operated through the network with different levels of control: From simple off-the-shelf Web graphical user interface to remote script control or in-device programmed operation. Three example applications are presented in this work on laser spectroscopy and laser locking experiments. The examples include side-fringe locking, peak locking through lock-in demodulation, and complete in-device Pound-Drever-Hall modulation and demodulation at 31.25 MHz and advanced acquisition examples like real-time data streaming for remote storage. © 2019 Author(s).

Registro:

Documento: Artículo
Título:Compact embedded device for lock-in measurements and experiment active control
Autor:Luda, M.A.; Drechsler, M.; Schmiegelow, C.T.; Codnia, J.
Filiación:CEILAP, CITEDEF, J. B. de La Salle 4397, Villa Martelli, 1603, Argentina
Departamento de Física and IFIBA, FCEyN, Ciudad Universitaria, Buenos Aires, 1428, Argentina
Palabras clave:Array processing; Demodulation; Digital storage; Field programmable gate arrays (FPGA); Graphical user interfaces; Laser spectroscopy; Optical variables measurement; Proportional control systems; Two term control systems; Active control; Compact devices; Embedded device; Lock-in amplifier; Pound-Drever-Hall; Programmed operations; Proportional integral derivatives; Real time data streaming; Locks (fasteners)
Año:2019
Volumen:90
Número:2
DOI: http://dx.doi.org/10.1063/1.5080345
Título revista:Review of Scientific Instruments
Título revista abreviado:Rev. Sci. Instrum.
ISSN:00346748
CODEN:RSINA
Registro:http://digital.bl.fcen.uba.ar/collection/paper/document/paper_00346748_v90_n2_p_Luda

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Citas:

---------- APA ----------
Luda, M.A., Drechsler, M., Schmiegelow, C.T. & Codnia, J. (2019) . Compact embedded device for lock-in measurements and experiment active control. Review of Scientific Instruments, 90(2).
http://dx.doi.org/10.1063/1.5080345
---------- CHICAGO ----------
Luda, M.A., Drechsler, M., Schmiegelow, C.T., Codnia, J. "Compact embedded device for lock-in measurements and experiment active control" . Review of Scientific Instruments 90, no. 2 (2019).
http://dx.doi.org/10.1063/1.5080345
---------- MLA ----------
Luda, M.A., Drechsler, M., Schmiegelow, C.T., Codnia, J. "Compact embedded device for lock-in measurements and experiment active control" . Review of Scientific Instruments, vol. 90, no. 2, 2019.
http://dx.doi.org/10.1063/1.5080345
---------- VANCOUVER ----------
Luda, M.A., Drechsler, M., Schmiegelow, C.T., Codnia, J. Compact embedded device for lock-in measurements and experiment active control. Rev. Sci. Instrum. 2019;90(2).
http://dx.doi.org/10.1063/1.5080345