Laser beam effects on Cu and Ti in vacuum and in the air

Ti and Cu samples were exposed in ambient atmosphere and vacuum (0.66 mPa) to single pulse (0.2–2.6 J) ruby laser radiation in the Q-switch (30 ns) and free generation regimes (150 μs). Acoustic recordings during irradiation were carried out and the resulting damage was analyzed by light and scannin...

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Bibliographic Details
Published inVacuum Vol. 47; no. 12; pp. 1413 - 1417
Main Authors MILOSAVLJEVIC, A, SRECKOVIC, M, BOJANIC, S, DINULOVIC, M, LJUBISAVLJEVIC, B
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.12.1996
Elsevier
Subjects
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Metals. Metallurgy
Physical radiation effects, radiation damage
Physics
Structure of solids and liquids; crystallography
Ultraviolet, visible, and infrared radiation effects (including laser radiation)
Physical radiation effects
Cracking
Controlled atmospheres
Experimental study
Pulsed lasers
Optical microscopy
Laser radiation
Transition elements
Titanium
Acoustic measurements
SEM
Copper
Damage
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Summary:Ti and Cu samples were exposed in ambient atmosphere and vacuum (0.66 mPa) to single pulse (0.2–2.6 J) ruby laser radiation in the Q-switch (30 ns) and free generation regimes (150 μs). Acoustic recordings during irradiation were carried out and the resulting damage was analyzed by light and scanning electron microscopy. In contrast to vacuum conditions, it is observed in the air that the damaged area was much larger due to plasma effects and also that cracking of the Ti samples and oxidation of the Cu samples occurred.
ISSN:0042-207X
1879-2715
DOI:10.1016/S0042-207X(96)00226-6