Spontaneous formation of optical patterns is demonstrated in a system consisting of a BaTiO3 crystal and a feedback mirror. The buildup and the dependence on the feedback path length of the patterns are described. A possible mechanism of the pattern formation is discussed.
© 1995 Optical Society of America
Original Manuscript: May 2, 1995
Published: September 1, 1995
Tokuyuki Honda and Hirokazu Matsumoto, "Buildup of spontaneous hexagonal patterns in photorefractive BaTiO3 with a feedback mirror," Opt. Lett. 20, 1755-1757 (1995)