a recently devloped dual-beam configuration that optimizes the one obtain the absorption spectru of blue Water from 350 to 528 Our results Incicate the inienu absorption Coefficient saller than 2*10 5 cm 1 Between 360 and 400 Tis value is lower than precvious literature data And it is blueshfted Absorption Coefficllents as sall as 2*10-7 c-1 Can be measured for water using 1 W Of excitation power A detection liited of - 60*10 8 cm 1