Flexible Optical B.V. (OKO Technologies)

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

... development of high resolution optical systems based on wave-front sensing and aberration correction. The company produces a wide range of custom deformable mirrors and wave-front sensors. From its foundation ...

2. Special offer
(News/Latest news)

User-friendly closed loop AO systems including deformable mirror, mirror amplifiers, USB computer interface, Hartmann-Shack wavefront sensor  with microlens raster, USB camera and FrontSurfer software:  ...

3. Product Guide updated
(News/Latest news)

New, third edition of our Product Guide is out! It contains descriptions of our new mirrors and wavefront sensor configuration, technical drawings of the mirror cases, updated section on the mirror performance ...

4. Standard configurations
(Products/Wavefront sensors)

Characteristics of three typical configurations of FrontSurfer wavefront sensor are given in the table below. However, the system can be reconfigured according to the customer’s requirements by choosing ...

5. Wavefront Sensors
(Products/Wavefront sensors)

Our wavefront sensor systems include: FrontSurfer stand-alone software for Windows or Linux. The program reconstructs the wavefront from a spot pattern obtained with hexagonal, orthogonal or random ...

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

... Request a catalogue Deformable mirrors Wavefront sensors Closed-loop adaptive optics Optical software Microoptics Jobs with OKO Message*: Please type in the following charachters*:  ...

7. 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 ...

8. The FrontSurfer demo version
(Products/Wavefront sensors)

... 19 spots. You can configure interfaces for the wavefront sensor (video capture) and deformable mirror, either using embedded options or loading a custom plugin; however both the video capture and the deformable ...

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

... a specialist. In general, the system should provide optical conjugation between the optical aberrations, deformable mirror and the wavefront sensor with proper scaling.  ...

10. What is included in a typical FrontSurfer adaptive optics package?
(FAQs/Adaptive optical systems)

FrontSurfer adaptive optics package includes a deformable mirror with a full set of control electronics and the FrontSurfer wavefront sensor package including FrontSurfer software with adaptive optics ...

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. Which mask or microlens array can be used with FrontSurfer?
(FAQs/Wavefront sensors)

In the reference mode, any mask or microlens array with up to several hundred subapertures over the image sensor area can be used. For the absolute measurement mode, a precision array with complete hexagonal ...

14. What is the precision of FrontSurfer wavefront sensor?
(FAQs/Wavefront sensors)

Typical configuration of the FrontSurfer wavefront sensor has a precision of about λ/60 PV (for λ=0.63 ?m) in the reference mode and about λ/6 PV in the absolute measurement mode. ...

15. What is the sensitivity of FrontSurfer wavefront sensor?
(FAQs/Wavefront sensors)

Typical configuration of the FrontSurfer wavefront sensor has a noise-limited sensitivity of about λ/60 PV (for λ=0.63 μm). The sensitivity can be improved by averaging over multiple frames ...

16. What is the reference measurement mode of FrontSurfer?
(FAQs/Wavefront sensors)

In this mode, the wavefront is reconstructed from two intensity patterns captured by the wavefront sensor. The first one (main pattern) is measured in presence of the the aberration to be reconstructed, ...

17. What is the absolute measurement mode of FrontSurfer?
(FAQs/Wavefront sensors)

In this mode, the wavefront is reconstructed from one intensity pattern captured by the wavefront sensor. Geometric parameters of the Hartmann mask or microlens array are used as a reference. This mode ...

18. What is included in the FrontSurfer wavefront sensor package?
(FAQs/Wavefront sensors)

The wavefront sensor package includes FrontSurfer software and a measurement head - Hartmann or Shack-Hartmann wavefront sensor. The Hartmann wavefront sensor consist of a precision Hartmann mask and a ...

19. What is FrontSurfer?
(FAQs/Wavefront sensors)

FrontSurfer is a wavefront analysis and control system based on Shack- Hartmann wavefront sensors and deformable mirrors from OKO Technologies.  ...

20. Piezoelectric DM
(Products/Wavefront correctors)

... integrates with OKO FrontSurfer wavefront sensor into a complete closed-loop adaptive optical system running with frame frequency of 15 to 100 Hz. Applications include dynamic correction of optical aberrations ...