This study demonstrates the applicability of 2D species visualization inside a gas turbine combustor using larer-induced fluorescence (LIF). Time-averaged and single-shot OH and NO distributions were analyzed to clarify the characteristics of the NO formation inside the combustor. The turbulent flame front was clearly seen using single-shot OH measurement to elucidate the burning pattern in the combustor. It became clear that NO was mainly produced near the pilot burner and that it tended to exist at the center of the combustor.
