\documentclass[12pt,border=1pt,tikz,class=scrartcl]{standalone}
\usepackage[latin1]{inputenc}
\usepackage{xcolor}
\usepackage{pgfplots}
\pagestyle{empty}
\begin{document}
\noindent
\begin{tikzpicture}[
label1/.style = {text width=5em,font=\tiny,align=left}
]
\node [font=\bfseries,text centered] at (4,-.5) {Light Harmonics};
\node [label1] at (-1,-1)   {650nm -- Red};
\node [label1] at (-1,-1.5) {607nm -- Orange};
\node [label1] at (-1,-2)   {578nm -- Yellow};
\node [label1] at (-1,-2.5) {520nm -- Green};
\node [label1] at (-1,-3)   {487nm -- Blue};
\node [label1] at (-1,-3.5) {475nm -- Indigo};
\node [label1] at (-1,-4)   {405nm -- Violet};
\node [label1] at (-1,-4.5) {325nm -- UV};
\begin{scope}[domain=0:10,samples=300]
	\draw [red] 	plot (\x,{-1+	sin(\x*500)r/400});
	\draw [orange] 	plot (\x,{-1.5+	sin(\x*535.42)r/400});
	\draw [yellow] 	plot (\x,{-2+	sin(\x*562.285)r/400});
	\draw [green] 	plot (\x,{-2.5+	sin(\x*625)r/400});
	\draw [blue] 	plot (\x,{-3+	sin(\x*667.35)r/400});
	\draw [color={rgb:red,75;green,0;blue,130}] 	plot (\x,{-3.5+	sin(\x*684.2)r/400});
	\draw [violet] 	plot (\x,{-4+	sin(\x*802.47)r/400});
	\draw [violet!60!black] 	plot (\x,{-4.5+	sin(\x*1000)r/400});
\end{scope}
\draw [black] (-1,-4.75) -- ++(10,0);
\node [text centered,font=\small] at (4,-5.1) {Harmonics of red light in relation to other colors};
\node [label1] at (-.5,-5.5)	{$\lambda$/14 --};
\node [label1] at (-.5,-6) 	{$\lambda$/8 --};
\node [label1] at (-.5,-6.5) 	{$\lambda$/4 --};
\node [label1] at (-.5,-7) 	{$\lambda$/3 --};
\node [label1] at (-.5,-7.5) 	{$\lambda$/2.67 --};
\node [label1] at (-.5,-8) 	{$\lambda$/2.5 --};
\node [label1] at (-.5,-8.5) 	{$\lambda$/2 --};
\begin{scope}[domain=0:10,samples=300]
	\draw[red]	plot (\x, {-5.5+	sin(\x*500)r/400});
	\draw[orange]	plot (\x, {-5.5+	sin(\x*535.42)r/400});
	\draw[red]	plot (\x, {-6+		sin(\x*500)r/400});
	\draw[yellow]	plot (\x, {-6+		sin(\x*562.285)r/400});
	\draw[red]	plot (\x, {-6.5+	sin(\x*500)r/400});
	\draw[green]	plot (\x, {-6.5+	sin(\x*625)r/400});
	\draw[red]	plot (\x, {-7+		sin(\x*500)r/400});
	\draw[blue]	plot (\x, {-7+		sin(\x*667.35)r/400});
	\draw[red]	plot (\x, {-7.5+	sin(\x*500)r/400});
	\draw [color={rgb:red,75;green,0;blue,130}] 	plot (\x,{-7.5+	sin(\x*684.2)r/400});
	\draw[red]	plot (\x, {-8+		sin(\x*500)r/400});
	\draw [violet] 	plot (\x, {-8+		sin(\x*802.47)r/400});
	\draw[red]	plot (\x, {-8.5+	sin(\x*500)r/400});
	\draw [violet!60!black] 	plot (\x,{-8.5+	sin(\x*1000)r/400});
\end{scope}
\draw [black] (-1,-8.75) -- ++(10,0);
\node [text centered,font=\small] at (4,-9.1) {White light (all colors interfering with each other)};
\begin{scope}[domain=0:10,samples=300]
	\draw [red] 	plot (\x,{-9.5+	sin(\x*500)r/400});
	\draw [orange] 	plot (\x,{-9.5+	sin(\x*535.42)r/400});
	\draw [yellow] 	plot (\x,{-9.5+	sin(\x*562.285)r/400});
	\draw [green] 	plot (\x,{-9.5+	sin(\x*625)r/400});
	\draw [blue] 	plot (\x,{-9.5+	sin(\x*667.35)r/400});
	\draw [color={rgb:red,75;green,0;blue,130}] 	plot (\x,{-9.5+	sin(\x*684.2)r/400});
	\draw [violet] 	plot (\x,{-9.5+	sin(\x*802.47)r/400});
	\draw [violet!60!black] 	plot (\x,{-9.5+	sin(\x*1000)r/400});
\end{scope}
\end{tikzpicture}
\end{document}