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1. Welcome to Flexible Optical B.V.!
(Company/What is OKO Tech?)
Flexible Optical B.V. is a small Dutch business operating in the field of research and application-oriented development of high resolution optical systems based on wave-front sensing and aberration correction. ...
Monday, 07 December 2015
2. 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 ...
Tuesday, 21 June 2011
3. Action Discounts
(News/Latest news)
... 20-ch high-voltage amplifier and computer interface (14-bit USB, 16-bit Ethernet, or 8-bit PCI) €7350 or €7850 €4500 MMDM 15 mm 37 ch, Al-coated, including 40-ch high-voltage amplifier and computer ...
Tuesday, 14 June 2011
4. 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
5. Adaptive Optics without trouble
(Technical documents/Technical articles)
... and problems in a single package. The mutual goal of the developers and users of an AO system is the optimization of the performance, keeping the complexity low. Less complexity means higher reliability, ...
Monday, 24 January 2011
A4MEMS is a low-cost high-voltage DC amplifier.  In the new version we have significantly improved the frequency response of the amplifier gain, extending the operational regime up to 2 kHz for ...
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
8. Dr. Gleb Vdovin
(Company/People)
... and systems since 1997. In 1997 he received Rudolph Kingslake Medal and Prize form SPIE.  Some work  published by Dr. G. Vdovin  received  citation index of higher than  100. ...
Friday, 09 October 2009
9. 15 mm 37-ch "OKO Mirror"
(Products/MMDM)
... of the membrane is about 25 fringes at 633nm. In addition to standard silicon nitride-based mirrors, we produce mirrors with thicker polysilicon membrane, featuring higher reliability and snap-on protection.   ...
Friday, 02 October 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. Employment
(Company/General)
... at walking distance from Delft centre with its beautiful canals. Delft centre has the highest in Holland concentration of cafes and restaurants.   ...
Thursday, 06 March 2008
14. 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
15. Electronics
(Products/Electronics)
Our standard adaptive optical systems are based on Windows PCs, high-voltage amplifiers and digital-to-analog converters (DAC) serving as interface between a PC and an amplifier. We have developed a number ...
Monday, 10 December 2007
16. Hartmann masks
(Products/Wavefront sensors)
... holes are positioned with very high precision and aberration of the mask is negligible, these masks can be used for absolute wavefront sensing, without calibration on a reference light beam.  ...
Monday, 10 December 2007
17. Microlens arrays
(Products/Wavefront sensors)
Flexible Optical produces high-quality replicated microlens arrays specially for the use with FrontSurfer wavefront sensors. As a standard option, we offer a hexagonal array of 127 microlenses with a focal ...
Monday, 10 December 2007
... 128x128 pixels. Correction rates up to 440 Hz were achieved with  Andor DU-860 fast EMCCD camera. Using of multiprocessor and multiple-core PCs is recommended for highest performance.  ...
Monday, 10 December 2007
... range is higher for low spatial frequencies. The maximum profile difference between the adjacent actuators reaches 800 nm for MMDM and can be as large as 3 ?m for a PDM.  ...
Monday, 10 December 2007
... 37-ch MMDM provides high-quality correction of all 3-rd order aberrations and is reasonably good in correcting the 5-th order aberrations. 79-ch MMDM will correct aberrations up to 5th order. PDM with ...
Monday, 10 December 2007
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