Patent ID: 11971535
Assignee: THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 4:
5. The optical imaging device according to claim 2, wherein the photodetector is optically coupled to the first end of the flexible lightguide, and wherein the optical imaging device further comprises an optical filter optically coupled to the first end of the flexible lightguide to the photodetector, in the beam path between the first end of the flexible lightguide and the photodetector, and to the source of radiation between the first end of the flexible lightguide and the source of radiation, the optical filter being configured to couple the radiation from the source of radiation to the first end of the flexible lightguide, and to couple radiation having a different wavelength than the wavelength of the source of radiation from the first end of the flexible lightguide to the photodetector.