I have replaced the light source of oplev for IMMT2 (S/N#203251 -> 242770), as the original one's output power was degrading. The sum counts revived from 1000 to 20600. See thebottom of the attached graph for the sum counts.
I have replaced the light source of oplev for IMMT2 (S/N#203251 -> 242770), as the original one's output power was degrading. The sum counts revived from 1000 to 20600. See thebottom of the attached graph for the sum counts.