摘要
ＯｐｔｉｃａｌＦｉｂｅｒＰｒｅｓｕｒｅＳｅｎｓｏｒｗｉｔｈＲｅｆｅｒｅｎｃｅＣｈａｎｎｅｌ①ＹＵＺｈｉｊｉｎｇ（Ｄｅｐｔ．ｏｆＡｇｒｉｃ．Ｅｎｇ．，ＨｅｂｅｉＡｇｒｏｔｅｃｈｎｉｃａｌＴｅａｃｈｅｒｓＣｏｌｅｇｅ，Ｃｈａｎｇｌｉ０６６６００，ＣＨＮ）...
The principle of optical fiber pressure sensing probe with common diaphragm and the method for stabilizing the laser diodes are described in this paper at first.Then we discussed the improvement in characteristics of the system by means of taking the techniques of reference light channel and ratio measurement.
