A lithographic apparatus including a filter device is disclosed. The
filter device has a plurality of foils attached to a holder which is able
to rotate around a rotation axis. The foils are arranged substantially
parallel to the rotation axis. The foils comprise a uni-directional
carbon-fiber composite material selected from the group consisting of
carbon-carbon composite (C-C composite) and carbon-silicon carbide
composite (C--SiC composite). During operation, the filter device rotates
and filters out debris from a radiation source, such as a Sn plasma
source. Such a filter device per se may be provided.