Magnetic Fluid Deformable Mirror with a Two-Layer Layout of Actuators † [PDF]
Micromachines, 2017 In this paper, a new type of magnetic fluid deformable mirror (MFDM) with a two-layer layout of actuators is proposed to improve the correction performance for full-order aberrations with a high spatial resolution. The shape of the magnetic fluid surface
Zhizheng Wu, Zhu Zhang, Mei Liu
exaly +4 more sources
Shape Control of a Unimorph Deformable Mirror for Space Active Optics under Uncertainties [PDF]
Micromachines, 2023 This paper focuses on the change of morphing capabilities for a unimorph deformable mirror impacted by environmental factors, which works in space for active optics applications.
Kainan Wang, Yian Yu, André Preumont
doaj +2 more sources
Opto-Electronic Advances, 2023 Integrating deformable mirrors within the optical train of an adaptive telescope was one of the major innovations in astronomical observation technology, distinguished by its high optical throughput, reduced optical surfaces, and the incorporation of the
Youming Guo +2 more
exaly +3 more sources
Wide-Aperture Bimorph Deformable Mirror for Beam Focusing in 4.2 PW Ti:Sa Laser
Applied Sciences (Switzerland), 2022 The bimorph deformable mirror with a diameter of 320 mm, including 127 control electrodes, has been developed and tested. The flatness of the initial mirror surface of about 1 μm (P-V) was achieved by mechanically adjusting the mirror substrate fixed in ...
Vadim Samarkin +2 more
exaly +3 more sources
Investigation of PZT Materials for Reliable Piezostack Deformable Mirror with Modular Design [PDF]
Micromachines, 2023 This article presents a study of the electrophysical properties of a piezoceramic material for use in adaptive optics. The key characteristics that may be important for the manufacturing of piezoelectric deformable mirrors are the following ...
Vladimir Toporovsky +5 more
doaj +2 more sources
Design and Simulation of a 19-Electrode MEMS Piezoelectric Thin-Film Micro-Deformable Mirror for Ophthalmology [PDF]
MicromachinesThis study presents a numerical simulation-based investigation of a MEMS (micro-electromechanical systems)technology-based deformable mirror employing a piezoelectric film for fundus examination in adaptive optics.
Yisen Hu +7 more
doaj +2 more sources
Operation of a MOEMS Deformable Mirror in Cryo: Challenges and Results [PDF]
Micromachines, 2017 Micro-opto-electro-mechanical systems (MOEMS) Deformable Mirrors (DM) are key components for next generation optical instruments implementing innovative adaptive optics systems, both in existing telescopes and in the future ELTs.
Frederic Zamkotsian +5 more
doaj +2 more sources
Design and Fabrication of a Large-Stroke Deformable Mirror Using a Gear-Shape Ionic-Conductive Polymer Metal Composite [PDF]
Sensors, 2012 Conventional camera modules with image sensors manipulate the focus or zoom by moving lenses. Although motors, such as voice-coil motors, can move the lens sets precisely, large volume, high power consumption, and long moving time are critical issues for
Guo-Dung John Su, Hsiang-Chun Wei
doaj +2 more sources
Ultrathin monolithic bimorph mirror using polarization-inverted lithium niobate wafer [PDF]
Scientific ReportsDeformable mirrors (DMs) serve diverse applications and have been adopted in X-ray optics recently. DMs are being used in various X-ray optical systems with variable parameters, with piezoelectric bimorph mirrors favored the most.
Takato Inoue +6 more
doaj +2 more sources
Thermal deformation compensation scheme to the sub-nanometre level of a piezoelectric offset mirror for MHz repetition rate free-electron laser [PDF]
Journal of Synchrotron RadiationFree-electron laser (FEL) facilities operating at MHz repetition rates can emit lasers with average powers reaching hundreds of watts. Partial absorption of this power induces thermal deformation of a few micrometres on the mirror surface.
Baoning Sun +7 more
doaj +2 more sources