Use of Te-130(2) for frequency referencing and active stabilisation of a violet extended cavity diode laser

I.S. Burns, J. Hult, C.F. Kaminski

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Abstract

This paper reports on the use of Te-130(2) absorption lines in active laser-locking, and in frequency referencing, of the emission of a violet extended cavity diode laser with a wavelength of around 410 nm. We note the existence of closely spaced tellurium absorption lines, suitable for referencing purposes in gas sensing applications, at wavelengths below the lower limit (417 nm) of the spectral region covered by the tellurium atlas [J. Cariou, P. Luc, Atlas du spectre d'Absorption de la Molecule de Tellure, CNRS, Paris, 1980]. The absolute positions of the lines in the acquired spectra were estimated by comparison to a simultaneously acquired fluorescence spectrum of atomic indium, and were identified using calculations based on fundamental spectroscopic data. The laser frequency was stabilised within a range of 40 MHz, which is negligible compared to typical transition widths at atmospheric pressure.
LanguageEnglish
Pages905-909
Number of pages5
JournalSpectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Volume63
Issue number5
DOIs
Publication statusPublished - Apr 2006

Fingerprint

Tellurium
Semiconductor lasers
Stabilization
stabilization
semiconductor lasers
tellurium
cavities
Indium
Lasers
Atmospheric pressure
Gases
Fluorescence
Wavelength
locking
Molecules
lasers
indium
atmospheric pressure
fluorescence
gases

Keywords

  • tellurium
  • indium
  • extended cavity
  • tunable diode laser
  • absorption spectroscopy
  • laser induced fluorescence

Cite this

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title = "Use of Te-130(2) for frequency referencing and active stabilisation of a violet extended cavity diode laser",
abstract = "This paper reports on the use of Te-130(2) absorption lines in active laser-locking, and in frequency referencing, of the emission of a violet extended cavity diode laser with a wavelength of around 410 nm. We note the existence of closely spaced tellurium absorption lines, suitable for referencing purposes in gas sensing applications, at wavelengths below the lower limit (417 nm) of the spectral region covered by the tellurium atlas [J. Cariou, P. Luc, Atlas du spectre d'Absorption de la Molecule de Tellure, CNRS, Paris, 1980]. The absolute positions of the lines in the acquired spectra were estimated by comparison to a simultaneously acquired fluorescence spectrum of atomic indium, and were identified using calculations based on fundamental spectroscopic data. The laser frequency was stabilised within a range of 40 MHz, which is negligible compared to typical transition widths at atmospheric pressure.",
keywords = "tellurium, indium, extended cavity, tunable diode laser, absorption spectroscopy, laser induced fluorescence",
author = "I.S. Burns and J. Hult and C.F. Kaminski",
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T1 - Use of Te-130(2) for frequency referencing and active stabilisation of a violet extended cavity diode laser

AU - Burns, I.S.

AU - Hult, J.

AU - Kaminski, C.F.

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PY - 2006/4

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N2 - This paper reports on the use of Te-130(2) absorption lines in active laser-locking, and in frequency referencing, of the emission of a violet extended cavity diode laser with a wavelength of around 410 nm. We note the existence of closely spaced tellurium absorption lines, suitable for referencing purposes in gas sensing applications, at wavelengths below the lower limit (417 nm) of the spectral region covered by the tellurium atlas [J. Cariou, P. Luc, Atlas du spectre d'Absorption de la Molecule de Tellure, CNRS, Paris, 1980]. The absolute positions of the lines in the acquired spectra were estimated by comparison to a simultaneously acquired fluorescence spectrum of atomic indium, and were identified using calculations based on fundamental spectroscopic data. The laser frequency was stabilised within a range of 40 MHz, which is negligible compared to typical transition widths at atmospheric pressure.

AB - This paper reports on the use of Te-130(2) absorption lines in active laser-locking, and in frequency referencing, of the emission of a violet extended cavity diode laser with a wavelength of around 410 nm. We note the existence of closely spaced tellurium absorption lines, suitable for referencing purposes in gas sensing applications, at wavelengths below the lower limit (417 nm) of the spectral region covered by the tellurium atlas [J. Cariou, P. Luc, Atlas du spectre d'Absorption de la Molecule de Tellure, CNRS, Paris, 1980]. The absolute positions of the lines in the acquired spectra were estimated by comparison to a simultaneously acquired fluorescence spectrum of atomic indium, and were identified using calculations based on fundamental spectroscopic data. The laser frequency was stabilised within a range of 40 MHz, which is negligible compared to typical transition widths at atmospheric pressure.

KW - tellurium

KW - indium

KW - extended cavity

KW - tunable diode laser

KW - absorption spectroscopy

KW - laser induced fluorescence

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JO - Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

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JF - Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

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