Newly designed minus filters using arbitrary refractive index films are presented. The filters show no ripples in the transmittance and have sharp rejection-band edges.
© 2004 Optical Society of America
(230.0230) Optical devices : Optical devices
(230.4170) Optical devices : Multilayers
(350.0350) Other areas of optics : Other areas of optics
(350.2460) Other areas of optics : Filters, interference
Y. Wada, N. Toyohara, Y. Shinta, S. Iura, K. Takahashi, and K. Kawamata, " Design of minus filters using arbitrary refractive index films," in Optical Interference Coatings, OSA Technical Digest Series (Optical Society of America, 2004), paper TuB5.
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