Patent Number: 8,817,269

Title: Fizeau reference arm using a chirped fiber bragg grating

Abstract: An improved interferometer measurement system is presented. In a preferred embodiment, a chirped fiber Bragg grating is used as a reference surface in a Fizeau interferometer arrangement for optical coherence tomography imaging of the eye. The grating creates a virtual reference surface near the sample and allows for a relatively short reference arm while maintaining close to zero delay interference conditions.

Inventors: Tumlinson; Alexandre R. (San Leandro, CA)

Assignee: Carl Zeiss Meditec, Inc.

International Classification: G01B 9/02 (20060101)

Expiration Date: 8/26/12018