We demonstrate theoretically and experimentally a band filter with two reflection and broadband transmission ranges, which was obtained with standard two-material technology. The fabricated filter has transmission and reflectivity characteristics better than those achievable with rugate technology.
© 2007 Optical Society of America
Original Manuscript: August 22, 2006
Revised Manuscript: October 10, 2006
Manuscript Accepted: October 23, 2006
Published: February 20, 2007
V. Pervak, A. V. Tikhonravov, M. K. Trubetskov, J. Pistner, F. Krausz, and A. Apolonski, "Band filters: two-material technology versus rugate," Appl. Opt. 46, 1190-1193 (2007)