Flexible Optical B.V. (OKO Technologies)

1. Welcome to Flexible Optical B.V.!
(Company/What is OKO Tech?)

... The company produces a wide range of custom deformable mirrors and wave-front sensors. From its foundation in 1997, OKO offers high-quality deformable mirrors at affordable prices. OKO micromachined ...

2. Direct control of Zernike modes using piezo and membrane DM
(Technical documents/Technical articles)

... quick quasi-optimal convergence to the maximum value of the  target function. Here we show a  15 mm 37-channel OKO Micromachined Membrane Deformable Mirror (MMDM) and 30 mm 37-channel Piezoelectric ...

3. MiZer: direct control of Zernike modes
(Products/Software)

Software application to directly control OKO deformable mirrors with Zernike polynomials. The free cross-platform software is implemented as a  C/C++ library. A simple GUI application for manual ...

4. Adaptive Optics Breadboard
(Technical documents/Technical articles)

... sensors and control software. The complete AO system is built on a 45x30 cm breadboard and includes point source, aberration simulator (optional), deformable mirror and Shack-Hartmann WF sensor.  ...

5. Beam shaping
(Products/Solutions)

For accurate and/or dynamic beam shaping, deformable mirrors offer a perfect solution. Whether you need to convert a gaussian beam to a flat-top circular beam, or to correct dynamically the beam shape, ...

6. AO for high-power laser
(Products/Solutions)

Our 50 mm  thermally stabilized PDM has been specially designed to be used with high-power lasers.  The deformable mirror features 37 actuators, placed in hexagonal grid with 7 mm pitch and ...

7. Action Discounts
(News/Latest news)

... interface (14-bit USB, 16-bit Ethernet, or 8-bit PCI) €7350 or €7850 €4500  30-mm Piezoelectric deformable mirror optimized for low-order correction (18 or 19 channels), coated with Al or ...

8. Deformable mirror with integrated tip-tilt
(News/Latest news)

We have just introduced a new membrane deformable mirror  integrated with a piezoelectrical tip-tilt stage. The mirror has 15 mm diameter and 17 actuators, with  the geometry optimized for the ...

9. 15-mm 17-ch MMDM with integrated tip-tilt stage
(Products/MMDM)

15-mm MMDM with 17 actuators and integrated tip-tilt stage has been specially designed for correction of low-order aberrrations. The deformable mirror has the actuator geometry optimized for the correction ...

10. Correction for low-order aberrations with 18-channel PDM
(Technical documents/Technical articles)

...  References [1] Gleb Vdovin, Oleg Soloviev, Alexander Samokhin, and Mikhail Loktev. Correction of low order aberrations using continuous deformable mirrors. Opt. Express, 16(5):2859-2866, 2008.   ...

11. Defocus generation with MMDM and PDM
(Technical documents/Technical articles)

... aperture, or the beam size on the deformable mirror, is usually less than the full aperture (about 2/3 of the full aperture), the active defocus range does not coincide with the maximum ...

12. Adaptive Optics without trouble
(Technical documents/Technical articles)

... however, if all these functions are not statistically matched to the aberrations, the result can be far from satisfactory. A good example of such a situation is given by deformable mirrors with uncoupled ...

13. What does "acceptable surface defects" mean?
(FAQs/MMDMs)

... of uncoated membrane or as small particles stuck to the surface. Usually they are near the membrane edge. Up to two defects on a deformable mirror is considered to be OK, as they do not impair the mirror ...

14. 15 mm 37-ch "OKO Mirror"
(Products/MMDM)

This is probably the most popular deformable mirror ever made. In production since 1997, hundreds of these devices are used by scientists and engineers in all kinds of adaptive optics project, including ...

15. What coating can be used with your deformable mirrors?
(FAQs/General)

The standard coating for MMDM is aluminum, for PDM — aluminum or protected silver. Gold, protected silver and dielectric coatings (with a small number of coating layers) for MMDM and ...

16. What is the stroke of a deformable mirror?
(FAQs/General)

There are two types of stroke defined for a deformable mirror — the maximum possible stroke and the maximum inter-actuator stroke. The former one characterises the maximum possible travel of ...

17. How do the response functions of the deformable mirrors look like?
(FAQs/General)

The shape of the response functions depends on the mirror type (MMDM or PDM) and on the actuator structure. A very good approximation to the response functions for all of our mirrors can be calculated ...

18. Deformable mirror optimized for low-order Zernike terms
(News/2008)

Flexible Optical B.V. presents new 19-channel 30-mm deformable mirror  optimized for high-quality correction of low-order Zernike terms. Our new 19-channel piezo DM has been specially ...

19. MrFit
(Products/Software)

MrFit is a program for simulation of membrane and continuous facesheet deformable mirrors ("Mr" means mirror and "Fit" means to fit a specified wavefront). It calculates the voltages to be applied to the ...

20. High-voltage amplifier boards
(Products/Electronics)

We produce three different types of  20-channel driver boards  for deformable mirrors. These boards have gain of 59, 35, 81, providing output voltage swing [0...400V] for input range [0...10V] in a frequency ...