J Mater Sci Technol ›› 1994, Vol. 10 ›› Issue (3): 175-180.

• Articles • Previous Articles     Next Articles

Final Status of a Metal Sample Surface after Multipulse Laser Irradiation in an Ambient Gas

(C.Boulmer-Leborgne, J.Hermann and B.Dubreuil GREMI, Orleans University. CNRS, France)I. Ursu, M.Dinescu, N,Chitica and I.N.Mihailescu (Institute of Atomic Physics, Bucharest, Romania)(International Center for Theoretical Physics.Trieste, Italy)   

  • Received:1994-05-28 Revised:1994-05-28 Online:1994-05-28 Published:2009-10-10

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Abstract: We have investigated the role of the ambient gas nature and pressure in the structure and appearance of the laser treated zone. and the influence of the total duration and temporal shape of laser pulse with the laser tight being λ= 10.6μm wavelength incident upon a metallic surface at intermediate taser intensities of 107-108 W / cm2. A plasma is accompanied by the action of the laser pulse, It acts as an active moderator among laser beam and target thus determining the final status of the contact surface

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