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Total: 20 results found.

OKO extends the capabilities of modern imaging systems by introducing purely software-based  system for image stabilization, object tracking, frame integration and multi-frame deconvolution.  It ...
Thursday, 15 December 2011
2. Direct control of Zernike modes using piezo and membrane DM
(Technical documents/Technical articles)
Direct control of Zernike modes is beneficial in feedforward control algorithms, and in optimization-based adaptive optics,  such as laser intracavity AO,   adaptive image sharpness control, ...
Wednesday, 05 October 2011
... control of Zernike modes is also included.  The software uses factory calibration file, specific for each mirror. For more details, please read the program description or see the screen ...
Thursday, 29 September 2011
4. Correction for low-order aberrations with 18-channel PDM
(Technical documents/Technical articles)
... the results of generating of the first Zernike modes with 30-mm version of 19-channel PDM, obtained in a closed-loop system operated by FrontSurfer. With the rms error growing linearly with the amplitude ...
Thursday, 27 January 2011
5. Adaptive Optics without trouble
(Technical documents/Technical articles)
... combination of N modes \psi_i, i=1,\dots,N of the wavefront corrector, minimizing the residual aberration R=A-\sum_1^N a_i \cdot \psi_i, where R is the residual error, a_i are the control signals and ...
Monday, 24 January 2011
6. 40-ch 16-bit Ethernet DAC
(Products/Electronics)
... number of channels.  Since Ethernet and TCP/IP are ubiquitous modern standards, the usage of the device is not limited to any particular hardware/software platform.   For more details, ...
Wednesday, 08 December 2010
7. Standard configurations
(Products/Wavefront sensors)
... a different camera, Hartmann mask or microlens array. Parameter Config. #1 Config. #2 Config. #3 Camera model uEye UI-2210M Basler A601f/A602f ...
Thursday, 20 March 2008
8. Wavefront Sensors
(Products/Wavefront sensors)
... Hartmann (-Shack) mask with arbitrary number of subapertures. The software supports standard video interfaces on Windows and Linux. In "Alignment" mode the software is capable of real-time dynamic display ...
Thursday, 20 March 2008
9. MrFit is out
(News/2008)
A free version of our Windows software for modeling of the response of membrane and piezoelectric deformable mirrors is available for download (Warning, the file size is ~150 MB!). MrFit is a program ...
Wednesday, 20 February 2008
...  spectral,  FFT-based and finite-difference based  propagation models. Special tools have been  developedd for the propagation through lenses with coordinate transforms, simulation ...
Monday, 10 December 2007
11. The FrontSurfer demo version
(Products/Wavefront sensors)
... mirror interface are disabled. This version also contains real-time simulations of the "alignment" mode and the closed-loop operation with a deformable mirror. Click here to download the demo for Linux, ...
Monday, 10 December 2007
12. Introduction to the FrontSurfer
(Products/Wavefront sensors)
... defocus, coma, astigmatism) in the “Alignment mode”. Real-time control and compensation of wavefront aberrations in combination with OKO deformable mirrors. With most OKO mirrors the low-order ...
Monday, 10 December 2007
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 ...
Monday, 10 December 2007
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. ...
Monday, 10 December 2007
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, ...
Monday, 10 December 2007
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 ...
Monday, 10 December 2007
One in the absolute measurement mode and two in the reference mode.  ...
Monday, 10 December 2007
... mirror diameter. Contact OKO for details. Using the device in scanner mode will reduce its correction performance for higher order aberrations. ...
Monday, 10 December 2007
19. Publications based on OKO products
(Products/Technology)
... mirrors. In combination with simple hysteresis compensation, our approach allows for high-precision feedforward control of these deformable mirrors, directly in terms of Zernike modes. Proc. SPIE ...
Friday, 07 December 2007
20. AO system overview
(Products/Complete AO systems)
... is realized by our FrontSurfer Hartmann-Shack WF sensor, offering a wide variety of control options including SVD eigenmode analysis, mode filtering, operations with the background, etc .  We can ...
Thursday, 06 December 2007
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