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Total: 33 results found.

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1. 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 ...
Wednesday, 05 October 2011
2. 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 ...
Tuesday, 14 June 2011
3. Correction for low-order aberrations with 18-channel PDM
(Technical documents/Technical articles)
18-channel PDM has no actuators inside the active aperture. This makes it suitable for an excellent correction of low-order aberrations. The note presents interferometric images of the results of the generation ...
Thursday, 27 January 2011
4. Defocus generation with MMDM and PDM
(Technical documents/Technical articles)
... size, has maximum stroke from 9 to 30 µm. Thus with 37-channel 15 mm MMDM, one can obtain a bigger defocus range than with the 37-channel 30mm PDM. But considering the fact that the active ...
Thursday, 27 January 2011
5. 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 ...
Monday, 24 January 2011
6. 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 ...
Wednesday, 08 December 2010
... 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 ...
Friday, 19 February 2010
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 ...
Friday, 19 February 2010
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 ...
Thursday, 19 February 2009
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 ...
Friday, 25 July 2008
11. 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 ...
Thursday, 27 March 2008
12. 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. ...
Thursday, 27 March 2008
13. 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 ...
Thursday, 27 March 2008
14. 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 ...
Thursday, 27 March 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 ...
Tuesday, 22 January 2008
16. 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). ...
Monday, 10 December 2007
17. 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 ...
Monday, 10 December 2007
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 ...
Monday, 10 December 2007
...  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 ...
Monday, 10 December 2007
... 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 ...
Monday, 10 December 2007
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