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    ISSN: 1432-0630
    Keywords: 33.80 ; 61.80 ; 61.70T
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The gas immersion laser doping (GILD) technique requires the measurement of the fraction of incident light absorbed in the gas phase during the irradiation with a pulsed laser. Here we report the absorption of boron trichloride (BCl3) gas at the wavelength of a pulsed ArF excimer laser (λ=193 nm). We have determined the one-photon (σ1) and two-photon (σ) absorption cross sections of this dopant gas for 193 nm. The values of σ1 and σ are 3.6×10−20 cm2 and 9×10−45 cm4·s, respectively. However, the distinction between simultaneous and sequential absorption has not been possible. Based on these results, we have established a relationship which allows the calculation of the fraction of incident light absorbed as a function of incident intensity and gas pressure.
    Type of Medium: Electronic Resource
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