A fiber connector system usable for high power and ultra-high-power fiber laser radiation transmission, configured to alter a space distribution of the laser radiation passing there through, the fiber connector system comprising: an input optical fiber configured to transmit an input of the laser radiation along a light path; and at least one monolithic terminal block having an input facet fused to the fiber which provides the received laser radiation with a first divergence distribution relative to a first optical axis of the one terminal block as the laser radiation propagates along the block, the one monolithic terminal block having an output facet configured to spatially shape the laser radiation having the first divergence distribution, wherein: the output facet being an aspherical surface having an elliptical rotation effective to eliminate all spherical aberrations relative to the optical axis; a central cross section of the aspherical surface being described by equation z = cr 2 1 + 1 − 1 + k c 2 r 2 wherein: k = − 1 n 2 1 c = R = L n − 1 n and: n = refractive index of the terminal block L = length of the terminal block c = value inversely equal to the radius of the aspherical surface in the vicinity of the optical axis of the terminal block R = radius of aspherical surface in the vicinity of the optical axis of the terminal block an input optical fiber configured to transmit an input of the laser radiation along a light path; and at least one monolithic terminal block having an input facet fused to the fiber which provides the received laser radiation with a first divergence distribution relative to a first optical axis of the one terminal block as the laser radiation propagates along the block, the one monolithic terminal block having an output facet configured to spatially shape the laser radiation having the first divergence distribution, wherein: the output facet being an aspherical surface having an elliptical rotation effective to eliminate all spherical aberrations relative to the optical axis; a central cross section of the aspherical surface being described by equation z = cr 2 1 + 1 − 1 + k c 2 r 2 wherein: k = − 1 n 2 1 c = R = L n − 1 n and: n = refractive index of the terminal block L = length of the terminal block c = value inversely equal to the radius of the aspherical surface in the vicinity of the optical axis of the terminal block R = radius of aspherical surface in the vicinity of the optical axis of the terminal block the output facet being an aspherical surface having an elliptical rotation effective to eliminate all spherical aberrations relative to the optical axis; a central cross section of the aspherical surface being described by equation z = cr 2 1 + 1 − 1 + k c 2 r 2 wherein: k = − 1 n 2 1 c = R = L n − 1 n and: n = refractive index of the terminal block L = length of the terminal block c = value inversely equal to the radius of the aspherical surface in the vicinity of the optical axis of the terminal block R = radius of aspherical surface in the vicinity of the optical axis of the terminal block n = refractive index of the terminal block L = length of the terminal block c = value inversely equal to the radius of the aspherical surface in the vicinity of the optical axis of the terminal block R = radius of aspherical surface in the vicinity of the optical axis of the terminal block