I was born in the village of Nyalian in 1970. My educational history, elementary school in 1983 in SD 3 Nyalian, junior high school in SMPN 1 Banjarangkan in 1986, and high school in SMA 2 Klungkung in 1989. Then I went on to study S1 at the Department of Physics FMIPA Udayana University and finished in 1995. In 1997 I was appointed as a teaching staff in the Department of Physics FMIPA Udayana University. Then in 1999 I continued my S2 education at the Department of Physics, FMIPA ITB, and it was completed in early 2002. Currently I am pursuing a doctoral degree at the Department of Physics, FMIPA ITS.