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 OKO Technologies produces low-cost piezoelectric deformable mirrors (PDM) with clear aperture of 30 mm and 50 mm. The full surface stroke is 6 μm standard with maximum stroke between the adjacent actuators in the range 1 to 3 μm. The mirror is controlled by OKO HV amplifer(s) and interfaced to a PC using 8-bit PCI or 12-bit USB controller(s). The full-amplitude mechanical response of the mirror is faster than 150 microsecond, but usually the response time is limited to 1 ms by the control electronics. The surface can be coated with a broad range of HR metal and multilayer dielectric coatings. PDM easily integrates with OKO FrontSurfer wavefront sensor into a complete closed-loop adaptive optical system running with frame frequency of 15 to 100 Hz. Applications include dynamic correction of optical aberrations in laser, astronomical and imaging systems.
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