Fiber-optic cable

1. A fiber-optic cable comprising:

at least one optical waveguide ( 2 ),

at least one metallic tube ( 1 ) which at least partially surrounds the at least one optical waveguide ( 2 ),

at least one additional layer, which at least partially surrounds the at least one tube ( 1 ),

wherein the fiber-optic cable comprises a separator which contributes to or causes mechanical decoupling of the at least one tube ( 1 ) from the at least one additional layer, wherein at least one additional layer is configured as an electrical conductor ( 3 , 12 ) and operates as a supply and/or return conductor; and wherein the fiber-optic cable comprises reinforcement, which serves as a strain relief and is arranged between the at least one metallic tube and the separator.

2. The fiber-optic cable according to claim 1 , wherein the separator is formed as at least one foil ( 4 , 6 ) disposed radially between the at least one tube ( 1 ) and the at least one additional layer.

3. The fiber-optic cable according to claim 1 , wherein the reinforcement corresponds to the at least one additional layer or is formed as at least one additional layer.

4. The fiber-optic cable according to claim 1 , wherein the separator is arranged between the at least one tube ( 1 ) and the reinforcement.

5. The fiber-optic cable according to claim 1 , wherein the reinforcement comprises fibers ( 5 , 8 ) or consists of fibers ( 5 , 8 ).

6. The fiber-optic cable according to claim 1 , wherein the reinforcement comprises at least one of aramide fibers, Zylon®, Dyneeema®, glass fibers or carbon fibers.

7. The fiber-optic cable according to claim 1 , wherein the reinforcement is formed as reinforcement.

8. A fiber-optic cable comprising:

at least one optical waveguide ( 2 ).

at least one metallic tube ( 1 ) which at least partially surrounds the at least one optical waveguide ( 2 ),

at least one additional layer, which at least partially surrounds the at least one tube ( 1 ),

wherein the fiber-optic cable comprises a separator which contributes to or causes mechanical decoupling of individual components of the fiber-optic cable, wherein the separator comprises two foils ( 4 , 6 ) between which an additional layer of the cable is disposed other than that of the separator.

9. The fiber-optic cable according to claim 8 , wherein the innermost of the two foils ( 4 , 6 ) indirectly or directly surrounds the tube ( 1 ).

10. The fiber-optic cable according to claim 8 , wherein the reinforcement is disposed between the two foils ( 4 , 6 ).

11. The fiber-optic cable according to claim 8 , wherein the outermost of the two foils ( 4 , 6 ) is surrounded by parts ( 10 a , 10 b ) of a traction cable disposed radially outward of the reinforcement.

12. A fiber-optic cable comprising:

at least one optical waveguide ( 2 ),

at least one metallic tube ( 1 ) which at least partially surrounds the at least one optical waveguide ( 2 ),

at least one additional layer, which at least partially surrounds the at least one tube ( 1 ),

wherein the fiber-optic cable comprises a separator which contributes to or causes mechanical decoupling of individual components of the fiber-optic cable, wherein a conductor ( 3 ) is arranged on the outside of the tube ( 1 ) and in direct physical contact with the innermost of the two coils ( 4 , 6 ).

13. The fiber-optic cable according to claim 1 , wherein the fiber-optic cable is utilized in boreholes.

14. The fiber-optic cable according to claim 1 , wherein the reinforcement consists of one of aramide fibers, Zylon®, Dyneema®, glass fibers or carbon fibers.

15. The fiber-optic cable according to claim 7 , wherein the reinforcement is formed as a lay.

16. The fiber-optic cable according to claim 11 , wherein the parts ( 10 a , 10 b ) of the traction cable is conductive.