\documentclass[tikz,border=10pt]{standalone}
\usepackage{luatexja}
\usepackage{circuitikz}
\usetikzlibrary{arrows.meta}
\begin{document}
\begin{tikzpicture}
\draw(-6.8,-4.28)circle(0.25);
\draw(-6,-4.3)node{光源};
\draw(-6.85,-4.4)circle[x radius=0.07,y radius=0.14,rotate=30];
\draw(-6.75,-4.4)circle[x radius=0.07,y radius=0.14,rotate=330];
\draw(-6.8,-4.4)circle[x radius=0.07,y radius=0.14,rotate=0];
\draw(-6,-6)--(-7.3,-7.5)--(-7.2,-7.6)--(-5.9,-6.1)--(-6,-6);
\draw(-6,-8)node{コリメーター鏡};
\draw(-9.5,-4.3)--(-11,-4.3)--(-11,-4.2)--(-9.5,-4.2)--(-9.5,-4.3);
\draw(-10.25,-4)node{固定鏡};
\draw(-9.5,-10)--(-11,-8.5)--(-11.2,-8.6)--(-9.7,-10.2)--(-9.5,-10);
\draw(-11,-10)node{集光鏡};
\draw(-9.4,-7.5)--(-11,-6.1);
\draw(-10,-7)node{ビームススプリッター};
\draw(-14,-6.1)--(-14,-7.5)--(-14.1,-7.5)--(-14.1,-6.1)--(-14,-6.1);
\draw[{<[scale=2]}-{>[scale=2]}](-13,-5.9)--(-15,-5.9);
\draw(-14,-5.5)node{可動鏡};
\draw(-6.5,-9.5) to [smeter] (-7.1,-9.5);
\draw(-6.8,-10.5)node{検出器};
\draw[-{>[scale=2]}](-6.8,-4.5)--(-6.3,-6.3);
\draw[-{>[scale=2]}](-6.8,-4.5)--(-7.1,-7.2);
\draw(-6.3,-6.3)--(-14,-6.3);
\draw(-7.1,-7.2)--(-14,-7.2);
\draw(-9.7,-4.3)--(-9.7,-9.8);
\draw(-10.8,-4.3)--(-10.8,-8.7);
\draw(-9.7,-9.8)--(-7,-9.6);
\draw(-10.8,-8.7)--(-7,-9.6);
\end{tikzpicture}
\end{document}