An apparatus, comprising: an optical fiber; an actuator configured to generate a force to vary an orientation of a first end of the optical fiber; and a joint (200, 500, 600, 700) mechanically coupling the actuator to the optical fiber, wherein the joint (200, 500, 600, 700) is configured to couple the force generated by the actuator to the optical fiber, and wherein the joint (200, 500, 600, 700) comprises: a neck (208, 502, 602, 702) extending along an axis (z, 150, 512, 608, 714), the optical fiber being threaded through an aperture extending along the axis (z, 150, 512, 608, 714) through the neck (208, 502, 602, 702), wherein the optical fiber is attached to the joint (200, 500, 600, 700) at a surface of the neck (208, 502, 602, 702) facing the axis (z, 150, 512, 608, 714), a collar (210, 504, 604, 704) extending along the axis (z, 150, 512, 608, 714), wherein the actuator is mechanically attached to the joint (200, 500, 600, 700) at an inner surface of the collar (210, 504, 604, 704) facing the axis, and a flexural element (212, 506, 606) extending radially from the neck (208, 502, 602, 702) to the collar (210, 504, 604, 704), wherein the joint (200, 500, 600, 700) has a first stiffness (kz) with respect to the axis (z, 150, 512, 608, 714), a second stiffness (kx) with respect to a first radial direction (x, 402a), and a third stiffness (ky) with respect to a second radial direction (y, 402b) orthogonal the first radial direction (x, 402a), and wherein the first stiffness (kz) is greater than the second stiffness (kx) and the third stiffness (ky). an optical fiber; an actuator configured to generate a force to vary an orientation of a first end of the optical fiber; and a joint (200, 500, 600, 700) mechanically coupling the actuator to the optical fiber, wherein the joint (200, 500, 600, 700) is configured to couple the force generated by the actuator to the optical fiber, and wherein the joint (200, 500, 600, 700) comprises: a neck (208, 502, 602, 702) extending along an axis (z, 150, 512, 608, 714), the optical fiber being threaded through an aperture extending along the axis (z, 150, 512, 608, 714) through the neck (208, 502, 602, 702), wherein the optical fiber is attached to the joint (200, 500, 600, 700) at a surface of the neck (208, 502, 602, 702) facing the axis (z, 150, 512, 608, 714), a collar (210, 504, 604, 704) extending along the axis (z, 150, 512, 608, 714), wherein the actuator is mechanically attached to the joint (200, 500, 600, 700) at an inner surface of the collar (210, 504, 604, 704) facing the axis, and a flexural element (212, 506, 606) extending radially from the neck (208, 502, 602, 702) to the collar (210, 504, 604, 704), a neck (208, 502, 602, 702) extending along an axis (z, 150, 512, 608, 714), the optical fiber being threaded through an aperture extending along the axis (z, 150, 512, 608, 714) through the neck (208, 502, 602, 702), wherein the optical fiber is attached to the joint (200, 500, 600, 700) at a surface of the neck (208, 502, 602, 702) facing the axis (z, 150, 512, 608, 714), a collar (210, 504, 604, 704) extending along the axis (z, 150, 512, 608, 714), wherein the actuator is mechanically attached to the joint (200, 500, 600, 700) at an inner surface of the collar (210, 504, 604, 704) facing the axis, and a flexural element (212, 506, 606) extending radially from the neck (208, 502, 602, 702) to the collar (210, 504, 604, 704), wherein the joint (200, 500, 600, 700) has a first stiffness (kz) with respect to the axis (z, 150, 512, 608, 714), a second stiffness (kx) with respect to a first radial direction (x, 402a), and a third stiffness (ky) with respect to a second radial direction (y, 402b) orthogonal the first radial direction (x, 402a), and wherein the first stiffness (kz) is greater than the second stiffness (kx) and the third stiffness (ky).