Compact energy measuring system for short pulse lasers

A. Barna, I. B. Földes, Z. Gingl, R. Mingesz

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In experiments with short-pulse lasers the measurement control of the energy of the laser pulse is of crucial importance. Generally it is difficult to measure the amplitude of the pulses of short-pulse lasers using electronic devices, their response time being longer than the duration of the laser pulses. The electric response of the detector is still too fast to be directly digitized therefore a peak-hold unit can be used to allow data processing for the computer. In this paper we present a device which measures the energy of UV short (fs) pulses shot-byshot, digitizes and sends the data to the PC across an USB interface. The circuit is based on an analog peak detect and hold unit and the use of fiber optical coupling between the PC and the device provides a significant improvement to eliminate potential ground loops and to reduce conductive and radiated noise as well. The full development is open source and has been made available to download from our web page (http://www.noise.inf.u-szeged.hu/Instruments/PeakHold). Copy; http://www.metrology.pg.gda.pl/full/2013/M&MS_2013_183.pdf.

Original languageEnglish
Pages (from-to)183-190
Number of pages8
JournalMetrology and Measurement Systems
Volume20
Issue number2
DOIs
Publication statusPublished - 2013

Fingerprint

Laser pulses
pulses
lasers
energy
Optical fiber coupling
optical coupling
Websites
metrology
shot
Detectors
analogs
Networks (circuits)
fibers
detectors
electronics
Experiments

Keywords

  • Laser energy
  • Open-source
  • Optical fiber
  • Peak-hold
  • USB
  • UV short pulse

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Instrumentation

Cite this

Compact energy measuring system for short pulse lasers. / Barna, A.; Földes, I. B.; Gingl, Z.; Mingesz, R.

In: Metrology and Measurement Systems, Vol. 20, No. 2, 2013, p. 183-190.

Research output: Contribution to journalArticle

Barna, A. ; Földes, I. B. ; Gingl, Z. ; Mingesz, R. / Compact energy measuring system for short pulse lasers. In: Metrology and Measurement Systems. 2013 ; Vol. 20, No. 2. pp. 183-190.
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