Flexible Optical B.V. (OKO Technologies)

21. High-voltage amplifier units
(Products/Electronics)

OKO DC HV amplifiers with 20 and 40 channels are specially designed to drive MEMS  devices and  deformable mirrors. Each amplifier has 40 identical amplifier channels with a gain of 55 (80). ...

22. Electronics
(Products/Electronics)

... of interfaces and amplifiers that allow to control high-voltage deformable mirrors with up to 2 kHz frequency, voltage up to 400V with a precision of 8 (PCI), 12 (USB), or 16 (Ethernet) bits. OKO PCI ...

23. Introduction to the FrontSurfer
(Products/Wavefront sensors)

... testing of transmissive and reflective optics: lenses, mirrors, lens assemblies, collimators, etc. The measurement precision can reach λ/100 rms. Real-time display of low-order aberrations (tip/tilt, ...

24. Which modifications of FrontSurfer software are available?
(FAQs/Wavefront sensors)

FrontSurfer is available in two modifications - with and without support for deformable mirrors and adaptive optics feedback.  ...

25. What is FrontSurfer?
(FAQs/Wavefront sensors)

FrontSurfer is a wavefront analysis and control system based on Shack- Hartmann wavefront sensors and deformable mirrors from OKO Technologies.  ...

26. How good is the initial figure of OKO deformable mirrors?
(FAQs/General)

The surface quality of all OKO mirrors is similar to any other solid reflective optics produced by leading manufacturers. It is good enough to work with very low scattering in the whole visible spectrum. ...

27. How linear is the PDM response?
(FAQs/PDMs)

OKO piezoelectric mirrors have linear response and feature 7 to 15% hysteresis and up to 2% creep.  ...

28. How good the mirrors will correct our aberrations?
(FAQs/General)

Information about the spatial and temporal spectra of the aberrated wavefronts is required for a good answer to this question. Membrane mirrors in general are good in correcting smooth continuous aberrations. ...

29. Linear deformable mirrors
(Products/Wavefront correctors)

OKO Tech produces membrane and piezoelectric DM for ultrafast pulse control. These mirrors are usually used in a stretcher for selective control of the delays of chosen spectral components. Linear PDM ...

30. What is the power handling ability of OKO DM?
(FAQs/General)

... loads of up to 500 W and even 1 kW in some cases. Piezoelectric mirrors can be coated with high-power HR coatings, making them suitable for optical load of up to 1 kW and higher - in some special cases. ...

31. How large is MMDM?
(FAQs/MMDMs)

Standard OKO mirrors are circular with a diameter of 10mm and 15mm. We can custom develop devices of up to one inch in diameter and with various geometries of reflective membrane - we have experience with ...

32. Piezoelectric DM
(Products/Wavefront correctors)

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 ...

33. WF correctors
(Products/Wavefront correctors)

We offer flexible modular adaptive optical systems with 19 to 109 control channels with mirror apertures 15 to 50mm. Deformable mirrors can be coated with bare metals such as Aluminum and Gold and with ...

34. AO systems with PDM
(Products/Complete AO systems)

AO systems with PDM are based on our technology of piezoelectric deformable mirrors (PDM). These mirrors can compensate large optical aberrations in a frequency range up to 1 kHz. Currently we fabricate ...

35. AO systems with MMDM
(Products/Complete AO systems)

AO systems with MMDM are based on our technology of Micromacined Membrane Deformable Mirrors. These mirrors are inexpensive and fast. They feature zero hysteresis and can work in a frequency range of up ...

36. Publications based on OKO products
(Products/Technology)

... mirrorsBy analysis of the mechanical equations, describing deformable mirrors, we show that the print-through is the natural property of a deformable mirror, which is completely defined by the geometry ...

37. AO system overview
(Products/Complete AO systems)

... systems. Click here for published work based on our mirrors. We supply closed-loop AO systems based on Micromachined Membrane Deformable Mirrors (MMDM) with up to 79 channels and Piezoelectric Deformable ...

38. High-voltage amplifier unit
(News/2006)

OKO introduces 20(40)-ch high-voltage amplifier units  for  membrane  and piezoelectric  deformable mirrors. Features small (40x200x280mm) size, active cooling, low  (20W)  ...

39. Quick Stock
(Uncategorised Content)

We have in stock and ship within a short time the following products (discounts apply): Please contact us by using the contact form on the left side or our dealer to place your order.

40. Electronics
(Category)

Frequently asked quesstions about the high-voltage amplifiers and DAC drivers used with deformable mirrors ...