公开(公告)号：US20210199866A1

公开(公告)日：2021-07-01

申请号：US17249872

申请日：2021-03-17

Applicant: VIAVI Solutions Inc.

Inventor： William D. HOUCK ,  Steven SAXE

IPC: G02B5/26 ,  G02B5/08 ,  H01L27/146

Abstract: A filter may include a substrate. The filter may include a stepped medium disposed on the substrate. The filter may include a first mirror disposed on the stepped medium. The first mirror may form a stepped mirror surface. Each step, of the stepped mirror surface may correspond to a channel, of a set of channels, of the filter. The filter may include a spacer disposed on the stepped mirror surface. The filter may include a second mirror disposed on another surface of the spacer.