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  • 1
    Electronic Resource
    Electronic Resource
    Forward-transfer laser implantation of pyrene molecules in a solid polymer (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 73 (1998), S. 1439-1441 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Excimer laser- (248 nm) induced pyrene implantation in a solid polymer has been investigated in the forward-transfer configuration. Atomic force microscopy provides detailed topological images of the implanted surface, the geometry of which remains mostly unaltered following low-intensity laser radiation in contrast to a laser ablation transfer case. The dopant host polymer thickness appears to strongly influence the efficiency of the process. The experimental results are interpreted on the basis of a thermally activated ejection and implantation mechanism. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.121968
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    High quality ArF laser ablation of photoincubated polyethylene (1994)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 64 (1994), S. 1344-1346 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The interaction of ArF excimer laser radiation with polyethylene has been investigated using HeNe laser probe beam deflection, energy transmission of thin films, and scanning electron microscopy of the irradiated site. The "incubation'' of ultraviolet absorbing chromophores by photoinduced modification appears to play a major role in controlling ablation of this weakly absorbing polymer (∼500 cm−1 at 193 nm). Analytical solution of the photon transport equation including an integrated exposure term to account for incubation provides a good description of the transmission results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.111929
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  • 3
    Electronic Resource
    Electronic Resource
    Analysis of UV radiation transport in polymers exhibiting one-photon incubated absorption (1994)
    Springer
    Applied physics 59 (1994), S. 275-279 
    Details
    ISSN: 1432-0630
    Keywords: 81.60.−j ; 81.60.Jw ; 81.40.Tv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract An analytical solution of the radiation transport equation for polymers that exhibit a one-photon induced permanent increase in their absorption coefficient (incubated absorption) is presented. Expressions describing the small-signal and finite pulse-energy (i.e., laser pulse) transmission, and the spatio-temporal development of the absorption coefficient are derived at both the irradiating and other wavelengths for samples of arbitrary optical density. The results are found to provide a good description of experimental results for transmission in the subablation threshold regime in appropriate systems, e.g., polymethylmethacrylate irradiated using the 248 nm KrF laser and low-density polyethylene irradiated using the 193 nm ArF laser.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00348230
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    Paper (German National Licenses)
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