Flexible Optical B.V. (OKO Technologies)

1. A4MEMS High-Voltage amplifier modules (new)
(Products/Electronics)

... 4 nF load.  We designed this 3-channel high-voltage amplifier as a low-cost solution for prototyping of multichannel high-voltage MEMS circuits. It is a convenient tool for driving a wide ...

2. New version of A4MEMS high-voltage amplifier is out!
(News/Latest news)

We announce the release of  new, updated version of A4MEMS, our 3-channel high-voltage amplifier for quick MEMS prototyping.  This unit is capable of driving capacitive loads in a wide frequency ...

3. What driver is faster -- PCI board or USB unit?
(FAQs/Electronics)

Currently, PCI board is our fastest option. The speed of the USB DAC unit is limited by the restrictions of the USB bus, which updates the values once per 1 ms (all 40 channels are updated at once). For ...

4. Deformable mirror optimized for low-order Zernike terms
(News/Latest news)

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 designed for ...

5. 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 ...

6. A4MEMS high-voltage amplifier modules
(Products/Electronics)

A4MEMS is a low-cost high-voltage DC amplifier. A4MEMS measures 110 x 60 x 30mm. It provides 0 ... 300 V output in 4 independent channels. Voltage ranges up to 0 ... 400 V are available on a special order. ...

7. PCI DAC boards
(Products/Electronics)

OKO digital PCI boards provide 8-bit voltage control for 24 output channels. The output voltage range can be trimmed continuously in the range 2.5 ... 10V for all channels. Setting time per channel is ...

8. USB control unit
(Products/Electronics)

Digital-to-analog converter unit "DAC-40-USB" provides 12-bit voltage control for 40 output channels. The output voltage range can be trimmed continuously in the range 2.5 ... 5 V for all channels. Several ...

9. New 50mm PDM with 37 channels
(News/Latest news)

OKO Technologies announces new 50mm PDM with 37 actuators. The mirror has 37 PZT actuators forming a hexagonal grid with 6.9 mm pitch. Free actuator stroke is approximately 7 µm, the stroke difference ...

10. 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). ...

11. Electronics
(Products/Electronics)

... control up to 24 channels with a single board, the number of boards per PC is practically unlimited. The refresh time is better than 1 microsecond per channel, all channels of the board can be controlled ...

12. Which deformable mirror can be used with FrontSurfer?
(FAQs/Adaptive optical systems)

FrontSurfer have embedded support of OKO’s deformable mirror controllers, including 24-channel ISA and PCI boards and 40-channel USB driver modules. With these features, FrontSurfer can control any mirror ...

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

...  The initial figure of MMDM is flat with RMS deviation from the nearest reference plane better than 400nm. OKO mirror with 37 channels and a diameter of 15mm will have less than 1 fringe of astigmatism ...

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

... 19 and 37 channels will correct low order aberrations with relatively large amplitude. OKO mirrors can be flattened to produce better than ?/20 rms reflected wavefronts. Contact OKO with specific questions ...

15. 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. ...

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

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

17. LC Lenses
(Products/Wavefront correctors)

... adaptive lenses with modal control, Optics Letters 23, 992-994 (1998) Multichannel liquid-crystal-based wave-front corrector with modal influence functions, Optics Letters 23, 1550-1552 (1998) Wavefront ...

18. 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 ...

19. 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 ...

20. 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 ...