摘要:
In various embodiments, an optical element may include at least one elastically deformable support, on which at least one reflective layer is applied; and in addition at least one deformation apparatus for elastically deforming the at least one support.
摘要:
A mirror assembly for an optical system of a laser processing machine includes a mount with a cavity, and an adaptive mirror. A magnetorheological or electrorheological fluid flows through the cavity, is adjusted in its viscosity, and provides an adjustable pressure onto the adaptable mirror.
摘要:
An apparatus is provided for gravitation-compensated mounting of a measurement object (2) having a plurality of supporting elements (1) which each act at at least one point on the measurement object (2), with the supporting elements (1) being designed such that they exert a constant force when small changes occur in the position of the measurement object (2). The supporting elements (1) are provided with floating bodies (3) arranged in a carrier liquid (7).
摘要:
This invention relates to improvements in thermal management in deformable mirrors. In particular, this invention relates to a deformable mirror comprising a heat spreader used to distribute thermal energy evenly across the mirror. Diamond material 104, on account of its extremely high thermal conductivity, is a preferred choice of heat spreader which permits build up of thermal energy in the mirror 100 to be quickly and evenly distributed across the entire mirror surface, increasing the working life of the mirror.
摘要:
An active hybrid optical component includes a substrate including a mounting surface; a replicated optical surface mounted on the mounting surface; and a plurality of actuators for deforming the substrate to impose a predetermined finished optical shape to the replicated optical surface.
摘要:
An integrated actuator meniscus mirror includes an optical substrate having a mirror surface on one side and a support structure on the other and a plurality of actuators embedded in the support structure, spaced from and generally parallel to the mirror surface for applying bending moments to the mirror surface for controllably altering the shape of the mirror surface.
摘要:
A method and tool to smooth surface contours uses a fixed back plate mounted at a known distance to an actuator holding plate. Each of the actuators is mounted in said actuation holding plate by a support collar threaded into said actuator holding plate. Threaded with said support collar is an actuator holder with rigidly holds an actuator. A differential threaded adjustment device is then inserted through said fixed back plate and connected to say support collar and actuator holder so that each can be moved independently of the other. The actuator is made of two piezoelectric plates connected in parallel and separated by a silicon rubber o-ring.
摘要:
The invention relates to an adaptive optical system (1) comprising: an adaptive optical device (2) comprising an optical processing surface (3) and a driving device (5) for controllably modifying the optical behaviour of said optical processing surface (3), an optical analyser (6) intended to be subjected to an input light beam (7) in order to produce, in response, output signals (8, 9, 10), a control device (11) connected to the optical analyser (6) and to the driving device (5) in order to command the latter depending on said output signals (8, 9, 10), characterised in that said optical analyser (6) is designed to spatially demultiplex, via multi-plane light conversion, the input light beams (7) into a plurality of elementary output light beams (80, 90, 100). Adaptive optical systems.
摘要:
The invention relates to arrangements for actuating an element in a microlithographic projection exposure apparatus. In accordance with one aspect, an arrangement for actuating an element in a microlithographic projection exposure apparatus comprises a first number (nR) of degrees of freedom, wherein an adjustable force can be transmitted to the optical element in each of the degrees of freedom, and a second number (nA) of actuators, which are coupled to the optical element in each case via a mechanical coupling for the purpose of transmitting force to the optical element, wherein the second number (nA) is greater than the first number (nR). In accordance with one aspect, at least one of the actuators is arranged in a node of at least one natural vibration mode of the optical element.
摘要:
A telescope, mirror assembly and method of forming an aspheric mirror is disclosed. The telescope includes the mirror assembly which has a substantially spherical surface contour in a relaxed state. A plurality of actuators distributed substantially along an outer edge of the mirror is configured to apply a load to the mirror assembly to deform the mirror to obtain a substantially aspheric surface contour.