Flexible Optical B.V. (OKO Technologies)

1. 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 ...

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

... of control channels usually means a complex and expensive adaptive optical system. The described approach leads to a commonly accepted wisdom that a good adaptive optical system should have many control ...

3. 40-ch 16-bit Ethernet DAC
(Products/Electronics)

Flexible Optical B.V. presents new 40-channel 16-bit DAC  unit with Ethernet interface, featuring 2 kHz refresh rate for all 40 channels simultaneously. "EDAC40" is a digital-to-analog converter ...

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

... measures 110 x 60 x 30mm. It provides 0 . . . 300 V output in 3 independent channels, as well as optional high voltage output from the power block (HV on the figure 3). Devices with extended ...

5. 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 ...

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/2008)

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)

... boards allow to 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 ...

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

... from OKO Technologies - MMDM with up to 79 channels and PDM with up to 109 channels - or any custom mirror using the same controllers. Custom controllers can be interfaced to FrontSurfer using external ...

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

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

16. 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 ...

17. 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 ...

18. 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 ...

19. 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 ...

20. 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 ...