LOGIN TO YOUR ACCOUNT

Username
Password
Remember Me
Or use your Academic/Social account:

CREATE AN ACCOUNT

Or use your Academic/Social account:

Congratulations!

You have just completed your registration at OpenAire.

Before you can login to the site, you will need to activate your account. An e-mail will be sent to you with the proper instructions.

Important!

Please note that this site is currently undergoing Beta testing.
Any new content you create is not guaranteed to be present to the final version of the site upon release.

Thank you for your patience,
OpenAire Dev Team.

Close This Message

CREATE AN ACCOUNT

Name:
Username:
Password:
Verify Password:
E-mail:
Verify E-mail:
*All Fields Are Required.
Please Verify You Are Human:
fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Le Harzic , Ronan; Huot , Nicolas; Audouard , Eric; Jonin , Christian; Laporte , Pierre; Valette , Stéphane; Fraczkievic , Anna; Fortunier , Roland (2002)
Publisher: HAL CCSD
Languages: English
Types: Article
Subjects: [ PHYS.PHYS.PHYS-OPTICS ] Physics [physics]/Physics [physics]/Optics [physics.optics]
International audience; This letter presents a method aimed at quantifying the dimensions of the heat-affected zone ~HAZ!, produced during nanosecond and femtosecond laser–matter interactions. According to this method, 0.1 mm thick Al samples were microdrilled and observed by a transmission electronic microscopy technique. The holes were produced at laser fluences above the ablation threshold in both nanosecond and femtosecond regimes ~i.e., 5 and 2 J/cm2, respectively!. The grain size in the samples was observed near the microholes. The main conclusion is that a 40 mm wide HAZ is induced by the nanosecond pulses, whereas the femtosecond regime does not produce any observable HAZ. It turns out that the width of the femtosecond HAZ is less than 2 mm, which is our observation limit.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • funds 1997/1999!, the Conseil Ge´ne´ral de la Loire en Rh oˆne-
    • Alpes, and Saint-Etienne Me´tropole for financial support. 1 X. Zhu., Appl. Surf. Sci. 167, 230 ~2000!. 2 C. Momma, B. N. Chichkov, S. Nolte, F. von Alvensleben, A. Tunner-
    • mann, H. Welling, and B. Wellegehausen, Opt. Commun. 129, 134 ~1996!. 3 P. B. Corkum, F. Brunel, N. K. Sherman, and T. Srinivasan-Rao, Phys.
    • Rev. Lett. 61, 2886 ~1988!. 4 B. N. Chichkov, C. Momma, S. Nolte, F. von Alvensleben, and A. Tun-
    • nermann, Appl. Phys. A: Mater. Sci. Process. 63, 109 ~1996!. 5 S. Nolte, C. Momma, H. Jacobs, A. Tunnermann, B. N. Chichkov, B.
    • Wellegehausen, and H. Welling, J. Opt. Soc. Am. B 14, 2716 ~1997!. 6 S.-S Wellershoff, J. Hohlfeld, J. Gu¨dde, and E. Matthias, Appl. Phys. A:
    • Mater. Sci. Process. A 69, 99 ~1999!. 7 A. P. Kanavin, I. V. Smetanin, V. A. Isakov, Y. V. Afanasiev, B. N. Chich-
    • Rev. B 57, 14698 ~1998!. 8 N. K. Sherman, F. Brunel, P. B. Corkum, and F. A. Hegmann, Opt. Eng.
    • 28, 1114 ~1989!. 9 A. Luft, U. Franz, A. Emsermann, and J. Kaspar, Appl. Phys. A: Mater.
    • Sci. Process. A 63, 93 ~1996!. 10 P. S. Perry, Laser Surface Treatment of Metals, edited by C. W. Draper and
    • P. Mazzoldi, ~Dordrecht, Netherlands, 1986!, p. 57. 11 X. Zhu, A. Naumov, D. Villeneuve, and P. Corkum, Appl. Phys. A: Mater.
    • Sci. Process. A 69, 1 ~1999!. 12 See for instance J. D. Verhoeven, Fundamantals of Physical Metallurgy,
    • ~Wiley, New York, 1975!; P. Haasen, Physical Metallurgy, 3rd ed. ~Cam-
    • bridge University Press, Cambridge, 1996!. 13 S. I. Anisimov, B. L. Kapeliovich, and T. L. Perel'man, Sov. Phys. JETP
    • 39, 375 ~1974!. 14 M. I. Kaganov, I. M. Lifshitz, and L. V. Tanatarov, Sov. Phys. JETP 4, 173
    • ~1957!. Downloaded 31 May 2002 to 161.3.1.42. Redistribution subject to AIP license or copyright, see http://ojps.aip.org/aplo/aplcr.jsp
  • No related research data.
  • No similar publications.

Share - Bookmark

Cite this article