Durable single mode fiber probe with optimized reference reflectivity

摘要

A probe for a common path optical coherence tomography system includes a sheath having a proximal end and a distal end and defining a lumen therein, a single mode optical fiber disposed within the lumen of the sheath such that a portion of the single mode optical fiber extends beyond the distal end of the sheath. The single mode optical fiber has an end face for transmitting and receiving light. The probe also includes a layer of hardened epoxy encasing the portion of the single mode optical fiber that extends beyond the distal end of the sheath except for the end face. The single mode optical fiber has an optical axis extending along a longitudinal direction of the single mode optical fiber. The hardened epoxy is polished at a non-orthogonal angle relative to the optical axis at the end face.

主权项

1. A probe for a common path optical coherence tomography system, comprising:
a sheath having a proximal end and a distal end, said sheath defining a lumen therein; a single mode optical fiber disposed within said lumen of said sheath such that a portion of said single mode optical fiber extends beyond said distal end of said sheath, said single mode optical fiber having an end face for transmitting and receiving light; and a layer of hardened epoxy encasing said portion of said single mode optical fiber that extends beyond said distal end of said sheath except for said end face, wherein said single mode optical fiber has an optical axis extending along a longitudinal direction of said single mode optical fiber, and wherein said hardened epoxy is polished at a non-orthogonal angle relative to said optical axis at said end face, and wherein said non-orthogonal angle is at least 1° relative to a normal to said optical axis at said end face and less than 5° relative to said normal.