Wushu Tao
(http://wushu-tao.com)
Writing sheet of the character : - guāng 光 (Lumière / rayon / lustre / gloire / poli / lisse / brillant / nu / épuiser)
 

For more informations about this character and his pronunciation, consult this page :
http://wushu-tao.com/page_ac_liste_car.php