Patent ID: 11880054
Assignee: VIAVI SOLUTIONS INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An optical filter, comprising:
a first mirror and a second mirror,
the first mirror including a plurality of quarterwave stacks, and
the plurality of quarterwave stacks including a plurality of layers; and

a spacer disposed between the first mirror and the second mirror,
the optical filter having, at one or more center wavelengths, one or more of a 50% relative bandwidth of a bandwidth between approximately 0.9 nm and approximately 5.3 nm, a 50% relative bandwidth of a bandwidth between approximately 3.75 nm and approximately 5.75 nm, or a 50% relative bandwidth of a bandwidth between approximately 4 nm and approximately 8 nm.