How does the principal axis relate to the alignment tolerances in precision optical systems?

Mar 19, 2025 ... ... axis lies along the length of the leaf. From the Cambridge English Corpus · principal axis. The principal normal is simply the principal axis ... 97 THE SUPPORTING AND COUNTERWEIGHTING OF THE PRINCIPAL AXES OF LARGE TELESCOPES.* By C. D. PERRINE. In a telescope whose moving parts weigh several tons it ... 1. Optics a line passing through the center of the surface of a lens or spherical mirror and through the centers of curvature of all segments of the lens or ... noun a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted Jun 27, 2024 ... Typically, multiple or even most of the 20 axes arrive at the same principle axis (z′), but since the σsym(G,Q)-function contains many local ... The principal axis of jets — an attempt to analyse high-energy collisions as two-body processes · References · Cited by (0) · Recommended articles. Principal axes for both the hour-averaged and low-passed currents were ... ellipticity = 1 - (minor axis / major axis) where. UV = Sum(u*v) - n U V. UU ... Regardless of whether you are using a principal components or a principal axis factor extraction, however, there is a very large first factor in ... Also, in principal axes we will then have. HG = Ixωxi + Iyωyj + Iz ωz k . Parallel Axis Theorem. It will often be easier to obtain the tensor of inertia with ... axes. A change in the position of the control mass introduces a principal axis misalignment, which is represented mathemati- cally by the introduction of ...