Abstract
We investigated a ballistic imaging technique using a femtosecond optical Kerr gate (OKG) made of SrTiO3 crystal (STO). High-contrast images of a 1.41 line pairs per mm (lp mm−1) section of the resolution test chart placed behind a turbid medium were obtained. The STO OKG had greater capacity to acquire high quality images at a high optical density than the quartz OKG, showing that the STO is a promising OKG medium due to its large nonlinear susceptibility.
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