Two molybdenum(VI) tris(dithiolene) complexes with phenyl or naphthyl substituents were synthesized and their two-photon absorption properties were investigated by an open-aperture Z-scan technique using near-infrared femtosecond laser pulses. Both of these complexes exhibited significant two-photon cross sections around the wavelength of 1.3 μm, with the naphthyl substituted complex showing a two-photon cross section of 660 × 10−50 cm4 s−1 photon−1, suggesting a new class of three-dimensional chromophore for use at telecommunications wavelengths.
研究人员合成了两种具有苯基或
萘基取代基的三(二
硫环戊烯)
钼(VI)配合物,并利用近红外飞秒激光脉冲,通过开孔 Z 扫描技术研究了它们的双光子吸收特性。这两种复合物都在 1.3 μm 波长附近表现出显著的双光子截面,其中
萘基取代的复合物表现出 660 × 10-50 cm4 s-1 光子-1 的双光子截面,这表明有一类新的三维发色团可用于电信波长。