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Mid-infrared spectroscopy of Nd:YLF crystal.

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Title: Mid-infrared spectroscopy of Nd:YLF crystal.
Authors: Turri, G.1 (AUTHOR) gturri@fullsail.com, Gennari, F.2 (AUTHOR), Bass, M.3 (AUTHOR), Toncelli, A.2 (AUTHOR)
Source: Journal of Luminescence. Jun2022, Vol. 246, pN.PAG-N.PAG. 1p.
Subjects: Stimulated emission, Crystals, Branching ratios, Excited states, Spectrometry
Abstract: Although well known for its near infrared emission, Nd:YLF is far less studied in the mid-infrared range (MIR). In this work, the polarized stimulated emission cross section of the decay to the 4I 15/2 , at around 2 μm and the branching ratios of all the radiative decay channels from 4F 3/2 to the lower levels, have been estimated by applying the beta-tau method. Moreover, the absorption of Nd:YLF crystal has been measured from the near infrared up to the crystal absorption edge of the spectrum in MIR. Finally, the emission from the first excited state to the sublevels of the ground state in mid infrared at around 4.9 and 5.9 μm have been observed and discussed. • The contribution of the ^4F3/2 to ^4I15/2 decay in Nd:YLF is about 0.5%. • FTIR measurements presented here agree with grating spectrometry from literature. • All transitions in the absorption and emission mid-IR have been identified. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Luminescence is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 156127600
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PubTypeId: academicJournal
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  Data: Mid-infrared spectroscopy of Nd:YLF crystal.
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  Data: <searchLink fieldCode="AR" term="%22Turri%2C+G%2E%22">Turri, G.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> gturri@fullsail.com</i><br /><searchLink fieldCode="AR" term="%22Gennari%2C+F%2E%22">Gennari, F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bass%2C+M%2E%22">Bass, M.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Toncelli%2C+A%2E%22">Toncelli, A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Luminescence%22">Journal of Luminescence</searchLink>. Jun2022, Vol. 246, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Stimulated+emission%22">Stimulated emission</searchLink><br /><searchLink fieldCode="DE" term="%22Crystals%22">Crystals</searchLink><br /><searchLink fieldCode="DE" term="%22Branching+ratios%22">Branching ratios</searchLink><br /><searchLink fieldCode="DE" term="%22Excited+states%22">Excited states</searchLink><br /><searchLink fieldCode="DE" term="%22Spectrometry%22">Spectrometry</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Although well known for its near infrared emission, Nd:YLF is far less studied in the mid-infrared range (MIR). In this work, the polarized stimulated emission cross section of the decay to the 4I 15/2 , at around 2 μm and the branching ratios of all the radiative decay channels from 4F 3/2 to the lower levels, have been estimated by applying the beta-tau method. Moreover, the absorption of Nd:YLF crystal has been measured from the near infrared up to the crystal absorption edge of the spectrum in MIR. Finally, the emission from the first excited state to the sublevels of the ground state in mid infrared at around 4.9 and 5.9 μm have been observed and discussed. • The contribution of the ^4F3/2 to ^4I15/2 decay in Nd:YLF is about 0.5%. • FTIR measurements presented here agree with grating spectrometry from literature. • All transitions in the absorption and emission mid-IR have been identified. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Luminescence is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1016/j.jlumin.2022.118842
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Stimulated emission
        Type: general
      – SubjectFull: Crystals
        Type: general
      – SubjectFull: Branching ratios
        Type: general
      – SubjectFull: Excited states
        Type: general
      – SubjectFull: Spectrometry
        Type: general
    Titles:
      – TitleFull: Mid-infrared spectroscopy of Nd:YLF crystal.
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            NameFull: Turri, G.
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            NameFull: Gennari, F.
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            NameFull: Bass, M.
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            NameFull: Toncelli, A.
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            – D: 01
              M: 06
              Text: Jun2022
              Type: published
              Y: 2022
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              Value: 246
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            – TitleFull: Journal of Luminescence
              Type: main
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