| 摘要 |
A fiber optic pressure sensor apparatus, in particular an intravascular catheter tip fiber optic pressure sensor is disclosed, wherein a lens element (11) at the end of the fiber optic (13) collimates the light emanating from the fiber and directs the light in a column towards a closely spaced reflecting diaphragm (14). The diaphragm is pressure responsive and modulates the focal length of the lens-diaphragm-mirror combination. |
