Abstract
The attenuation of ultrashort laser pulses by two-photon absorption is theoretically described when a dye is used as the absorbing medium. It is shown that two-photon absorption also yields an intensity stabilization of low repetition rate laser emissions without a significant loss of power. Consequently this technique is proposed for pulse attenuation and stabilization near the damage threshold of second harmonic generator crystals, and its performance is theoretically compared with other attenuation methods.
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Martinez, O.E. Stabilization, attenuation and shaping of picosecond laser pulses by two-photon absorption in dyes. Opt Quant Electron 11, 223–228 (1979). https://doi.org/10.1007/BF00620108
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DOI: https://doi.org/10.1007/BF00620108