Patent ID: 11947101
Assignee: UNIVERSITE D'AIX MARSEILLE
Field: Optics (Instruments)
Classification: CPC G  A | IPC A  G

Claim 9:
10. A method for transporting and controlling light beams, comprising:
receiving elementary light beams at a proximal end of a bundle of N single-mode optical fibers of a light guide, wherein:
each single-mode optical fiber is intended to receive an elementary light beam and to emit a light beam at a distal end;
said bundle of single-mode optical fibers comprises, in operation, a minimum radius of curvature corresponding to a maximum curvature of the bundle of fibers; and
said bundle of single-mode optical fibers is twisted, and comprises a twist period;

applying, by means of at least a first spatial light modulator arranged on the side of the proximal end of said bundle of single-mode optical fibers, a phase shift to each of the elementary beams, in order to form, at the distal end of the light guide, an illumination beam with a defined phase function, said twist period being defined to preserve said phase function at the distal end of the light guide when the bundle of single-mode optical fibers is subjected to a curvature lower than said maximum curvature.