Patent ID: 11867943
Assignee: SPECTRA WAVE, INC.
Field: Optics (Instruments)
Classification: CPC G  C  A | IPC C  G

Claim 24:
25. A method of using a system, the method comprising:
providing (i) an optical fiber comprising a first waveguide, an attenuating cladding disposed around the first waveguide, and a second waveguide disposed around the attenuating cladding, and (ii) a rotary junction, wherein the optical fiber is in optical communication with the rotary junction;
transmitting a first signal through the rotary junction and through the first waveguide; and
transmitting a second signal through the rotary junction and through the second waveguide,
wherein the first signal is for a first characterization technique and the second signal is for a distinct second technique, and
wherein any signal propagated into the attenuating cladding during the transmitting of the first signal or during the transmitting of the second signal is completely attenuated in the attenuating cladding.