Ross G W, Eason R W
Opt Lett. 1992 Aug 15;17(16):1104-6. doi: 10.1364/ol.17.001104.
Using a nominally undoped crystal of photorefractive BaTiO(3), we have examined self-pumped phase conjugation at near-infrared wavelengths. We report reflectivities as high as 74% between 720 and 800 nm. As expected, the crystal response time increases significantly at longer wavelengths. We believe that this value of reflectivity in the self-pumped geometry is the highest reported nominally undoped crystal.
我们使用了光折变BaTiO(3)的名义上未掺杂的晶体，研究了近红外波长下的自泵浦相位共轭。我们报告了在720至800纳米之间高达74%的反射率。正如预期的那样，晶体响应时间在较长波长下显著增加。我们认为，在自泵浦几何结构中这种反射率值是已报道的名义上未掺杂晶体中最高的。
