Flexible Optical B.V. (OKO Technologies)

1. Welcome to Flexible Optical B.V.!
(Company/What is OKO Tech?)

Flexible Optical B.V. (aka OKO Technologies) develops, manufactures and delivers integral solutions based on smart and adaptive optics for adaptive wavefront correction and generation in scientific, industrial, ...

2. Special offer
(News/Latest news)

... redundancy  to produce simple low-order Zernike terms, OKO mirrors are optimized to correct for the most frequent aberrations of optical and laser systems using  small number of control channels, with ...

3. 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 ...

4. Job opening
(News/Latest news)

Flexible Optical BV (aka OKO Technologies) offers an immediate engineering position  in the area of adaptive optics.  OKO develops, manufactures and delivers integral solutions, based on smart and adaptive ...

5. Contact us
(Company/What is OKO Tech?)

Flexible Optical B.V. Address: Rontgenweg 1, 2624 BD Delft The Netherlands View Larger Map Tel: +31-15-2851547 Fax: +31-15-2851548 E-mail: oko@xs4all.nl ...

6. 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 ...

7. Hartmann masks
(Products/Wavefront sensors)

Flexible Optical offers calibrated Hartmann masks with square and circular apertures with orthogonal and hexagonal geometries. Masks are fabricated in glass and coated with patterned aluminum. Since the ...

8. 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 ...

9. What is included in a complete adaptive optical system from OKO Tecnologies?
(FAQs/Adaptive optical systems)

On demand, OKO Technologies can supply a complete closed-loop adaptive optical system (AOS), which includes all necessary optical and mechanical components in addition to the FrontSurfer adaptive optics ...

10. How to integrate FrontSurfer adaptive optics package into your application?
(FAQs/Adaptive optical systems)

FrontSurfer adaptive optics package can be used for building an adaptive optical system for correction of aberrations. Optical design of the system is dependent on the application and should be made by ...

11. Introduction to the FrontSurfer
(Products/Wavefront sensors)

The wavefront analysis and control system The FrontSurfer is the most inexpensive Hartmann-Shack sensor on the market. Nevertheless, the system is very universal and can be used for: Optical shop ...

12. How to use FrontSurfer wavefront sensor for optical shop testing?
(FAQs/Wavefront sensors)

Setup for testing of optical components should provide optical conjugation between the component under test and the wavefront sensor with proper scaling. See section our Product Guide for general recommendations ...

13. What the FrontSurfer system can be applied for?
(FAQs/Wavefront sensors)

Applications include optical shop testing of transmissive and reflective optics, alignment of optical systems, real-time monitoring and active compensation of optical aberrations.  ...

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

... averaged over a number of devices. Larger MMDM have 8 adjustment screws that allow to set the initial figure of the mirror. The initial optical quality is very good. The initial figure of PDM is flat ...

15. Linear deformable mirrors
(Products/Wavefront correctors)

... negligible power consumption, high optical quality which is usually better than 2 fringes over the whole aperture, fast response and large correction range. These mirrors can be coated with high-reflective ...

16. What is the power handling ability of OKO DM?
(FAQs/General)

Standard 15mm Al-coated MMDM can handle up to 3 W optical load in the visible range. On a special order MMDM can be coated with a special HR metal-dielectric coatings, making them suitable for optical ...

17. How good is MMDM optically?
(FAQs/MMDMs)

The surface quality is good enough to work with very low scattering in the whole visible spectrum. The initial figure of MMDM is flat with RMS deviation from the nearest reference plane better than 250nm. ...

18. What is "biased operation"?
(FAQs/MMDMs)

The MMDM membrane can be deflected only in the direction of the electrode structure because the electrostatic force can be only attractive. This means the deflected membrane can produce only concave optical ...

19. What is the use of MMDM?
(FAQs/MMDMs)

MMDM is used for fast correction of aberrations in optical systems. ...

20. Micromachined Membrane Deformable Mirrors (MMDM)
(Products/Wavefront correctors)

... and telescopes: MMDM are small and light, especially compared to continuous faceplate piezoelectric mirrors; Negligible power consumption; High optical quality, better than 400nm rms over the ...