Figure 2: Brief Title Sentence: Experimental intensity time series data.
From: Laminar-Turbulent Transition in Raman Fiber Lasers: A First Passage Statistics Based Analysis

(a) Experimental configuration; FBG - fibre Bragg grating, DSO - digital storage oscilloscope, OSA - optical spectrum analyzer. (b) Laminar (blue) and turbulent (orange) lasing regimes of the Raman fibre laser. Inset - Intensity PDFs of the corresponding regimes (also see Turitsyna et al.1).