A fiber-optic pH sensor, in which Congo Red dye reagent is immobilized on the substrate of the chemically treated polymer membrane, is presented.

• 研制出一种利用高分子聚合物薄膜作为基底材料的光纤pH传感器,它是将刚果红染料试剂固定化到经化学处理过的高聚物薄膜上而制成的。