Flexible Optical B.V. (OKO Technologies)

21. How to bias the MMDM?
(FAQs/MMDMs)

... position. In the case of digital control (one byte 0 to 255 per channel) all electrodes should be set to 180. These values should be adjusted to obtain a perfect spherical figure. ...

22. Where to buy high-voltage power supplies for OKO driver boards?
(FAQs/General)

... In general, you will need one module per 20 channels. ...

23. LC Lenses
(Products/Wavefront correctors)

...  Literature: Liquid-crystal adaptive lenses with modal control, Optics Letters 23, 992-994 (1998) Multichannel liquid-crystal-based wave-front corrector with modal influence functions, Optics Letters ...

24. 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 ...

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

... PDM with 19, 37, 79 and 109 channels with apertures of 30mm and 50mm. Since these mirrors can produce large local responses, they are efficient for the correction of aberrations of the human eye, laser ...

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

... to 1kHz. Currently we fabricate 15mm MMDM with 19 and 37 channels, 30mm MMDM with 59channels and 40mm MMDM with 79 channels. Parameters of these mirrors are naturally matched to the parameters of atmospheric ...

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

High-resolution retinal imaging with micro adaptive optics systemThe authors describe a retinal imaging system based on 37-channel MMDM and Shack-Hartmann wavefront sensor from OKO Technologies. Applied ...

28. 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 ...

29. New PDM with 79 channels
(News/2007)

OKO Technologies announces new 50mm PDM with 79 actuators. The mirror has 79 PZT actuators, with 61 actuators forming a hexagonal grid with 4.7 mm pitch, and 18 actuators placed on a circumference ...

30. A4Mems -- new high voltage amplifier
(News/2006)

OKO introduces A4MEMS: 4-channel high-voltage amplifier for quick MEMS prototyping. ...

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

... of  up  to  15nF. Unlimited number of units can be combined to drive deformable mirrors with more than 40 channels. ...

32. 37-channel PDM
(News/2005)

OKO introduces  low cost 37ch piezoelectric deformable mirror. Watch this AVI movie (2MB, right click to download) with live interferometric images.  The mirror is identical to OKO 19-ch piezoelectric ...

33. Piezoelectric DM with 19 actuators
(News/2004)

OKO introduces low-cost 19-channel piezoelectric deformable mirror. Please check out live interferometric images of the device. ...