Investigation of the effects of thermally-induced band gap modification on the size and shape of modification regions formed in ultrafast laser bonding: Investigation of the effects...: C. Ungaro et al.
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| Title: | Investigation of the effects of thermally-induced band gap modification on the size and shape of modification regions formed in ultrafast laser bonding: Investigation of the effects...: C. Ungaro et al. |
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| Authors: | Ungaro, Craig1 (AUTHOR) ungaroc@corning.com, Kolesov, Grigory1 (AUTHOR), Ross, Matthew1 (AUTHOR), Liu, Ying1 (AUTHOR), Moore, Galan G.1 (AUTHOR) |
| Source: | Applied Physics A: Materials Science & Processing. Mar2025, Vol. 131 Issue 3, p1-12. 12p. |
| Subjects: | Laser welding, Multiphoton absorption, Band gaps, Absorption coefficients, Absorption spectra |
| Abstract: | Experimental observation and numerical calculation of the nonlinear absorptivity of Corning® EAGLE XG® Glass substrates under ultrafast laser irradiation at high repetition rates are presented in this work. The temperature-dependent material band gap and absorption spectrum are obtained using a quantum mechanics-based computational methodology within density functional theory. The modeling predicts an increase of the multiphoton absorption coefficient and linear thermal absorption at high temperatures due to a reduction of the band gap. The impact of thermally-induced absorption at high substrate temperatures is investigated, which allows for a more accurate prediction of heat accumulation and welding geometry in ultrafast laser welding process. [ABSTRACT FROM AUTHOR] |
| Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature 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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| Header | DbId: egs DbLabel: Engineering Source An: 183892167 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Investigation of the effects of thermally-induced band gap modification on the size and shape of modification regions formed in ultrafast laser bonding: Investigation of the effects...: C. Ungaro et al. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Ungaro%2C+Craig%22">Ungaro, Craig</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ungaroc@corning.com</i><br /><searchLink fieldCode="AR" term="%22Kolesov%2C+Grigory%22">Kolesov, Grigory</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ross%2C+Matthew%22">Ross, Matthew</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Ying%22">Liu, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Moore%2C+Galan+G%2E%22">Moore, Galan G.</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Applied+Physics+A%3A+Materials+Science+%26+Processing%22">Applied Physics A: Materials Science & Processing</searchLink>. Mar2025, Vol. 131 Issue 3, p1-12. 12p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Laser+welding%22">Laser welding</searchLink><br /><searchLink fieldCode="DE" term="%22Multiphoton+absorption%22">Multiphoton absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Band+gaps%22">Band gaps</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+coefficients%22">Absorption coefficients</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+spectra%22">Absorption spectra</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Experimental observation and numerical calculation of the nonlinear absorptivity of Corning® EAGLE XG® Glass substrates under ultrafast laser irradiation at high repetition rates are presented in this work. The temperature-dependent material band gap and absorption spectrum are obtained using a quantum mechanics-based computational methodology within density functional theory. The modeling predicts an increase of the multiphoton absorption coefficient and linear thermal absorption at high temperatures due to a reduction of the band gap. The impact of thermally-induced absorption at high substrate temperatures is investigated, which allows for a more accurate prediction of heat accumulation and welding geometry in ultrafast laser welding process. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature 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.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=183892167 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s00339-025-08330-3 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 12 StartPage: 1 Subjects: – SubjectFull: Laser welding Type: general – SubjectFull: Multiphoton absorption Type: general – SubjectFull: Band gaps Type: general – SubjectFull: Absorption coefficients Type: general – SubjectFull: Absorption spectra Type: general Titles: – TitleFull: Investigation of the effects of thermally-induced band gap modification on the size and shape of modification regions formed in ultrafast laser bonding: Investigation of the effects...: C. Ungaro et al. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Ungaro, Craig – PersonEntity: Name: NameFull: Kolesov, Grigory – PersonEntity: Name: NameFull: Ross, Matthew – PersonEntity: Name: NameFull: Liu, Ying – PersonEntity: Name: NameFull: Moore, Galan G. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 03 Text: Mar2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 09478396 Numbering: – Type: volume Value: 131 – Type: issue Value: 3 Titles: – TitleFull: Applied Physics A: Materials Science & Processing Type: main |
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