High quality PrF₃ crystal was successfully grown by the temperature gradient technique (TGT). The magneto-optical properties of PrF₃ crystal were systematically investigated in the UV-VIS-NIR region. The advantage of PrF₃ over CeF₃ and TGG is its transparency in deep-UV region down to 258 nm. The dispersions of Verdet constant of PrF₃ and TGG crystals in VIS-NIR region are similar. The Verdet constant of PrF₃ crystal can theoretically increase from 677.93 rad T⁻¹•m⁻¹ at 300 nm to 967.53 rad T⁻¹•m⁻¹ at 270 nm. The CeF₃ and TGG crystals aren't transparent in this region. Therefore, PrF₃ crystal is the promising candidate for use as a Faraday rotator for optical systems operating below 300 nm.

通过温度梯度技术（TGT）成功地生长了高质量的PrF ₃晶体。在紫外-可见-近红外区域系统地研究了PrF ₃晶体的磁光特性。PrF ₃优于CeF ₃和TGG的优点是其在深至258 nm的深紫外线区域具有透明性。PrF ₃和TGG晶体的Verdet常数在VIS-NIR区域的色散相似。PRF的维尔德常数₃晶体可以从677.93弧度Ť理论上增加^-1 •^米-1在300nm至967.53弧度Ť ^-1 •^米-1在270nm处。CeF ₃TGG晶体在该区域不是透明的。因此，PrF ₃晶体是用作在300 nm以下工作的光学系统的法拉第旋转器的有希望的候选者。