7MA Chi-tang, CHOU Kao-hsu, CHEN Yi-yung, et al. Design and optimization of automotive headlamps based on projection system with double ellipsoidal reflector[C]. SPIE ,2010, 7717: 77170M-1.
9P Benítez,J C Miňano, J Blen, et al,Simultaneous multiple surface optical design method in three dimensions[J].Opt. Eng,2004,43,1489-1502.
10T Heβling, U Geyer, A Hellwig, et al. Free-form glass reectors for non-trivial illumination applications with extended sources[C] //SPIE,2012, 8485: 84850G-1.