Vapour and plasma ignition thresholds for visible pulsed-laser ablation of metallic targets

Gupta, Gaurav; Suri, B. M.

doi:10.1016/j.apsusc.2004.03.002

Cited by 7 publications

(2 citation statements)

References 8 publications

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“…( 1), the incident laser power was assumed constant throughout the pulse duration as depicted in fig. (2). It should be noted that eq.…”

Section: Surface Temperaturementioning

confidence: 97%

“…When an opaque target is irradiated by laser energy of sufficient intensity, plasma may be generated. The status of this plasma depends strongly on experimental parameters such as laser radiation intensity, pulse duration and shape (profile) [1,2,3]. When the target is in an atmospheric environment and under certain experimental conditions, the lasergenerated plasma forms what is known as Laser Supported Absorption Waves (LSAW) which is mainly due to the ionization of ambient air adjacent to target surface [4,5].…”

Section: Introductionmentioning

confidence: 99%

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Pulse Profile Rule in Laser Heating of Opaque Targets in Air

Habib

2011

Baghdad Sci.J

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A theoretical model is developed to determine time evolution of temperature at the surface of an opaque target placed in air for cases characterized by the formation of laser supported absorption waves (LSAW) plasmas. The model takes into account the power temporal variation throughout an incident laser pulse, (i.e. pulse shape, or simply: pulse profile).Three proposed profiles are employed and results are compared with the square pulse approximation of a constant power.

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“…( 1), the incident laser power was assumed constant throughout the pulse duration as depicted in fig. (2). It should be noted that eq.…”

Section: Surface Temperaturementioning

confidence: 97%