Search
Search Only:

Search Keyword aberration

Total: 31 results found.

Page 1 of 2
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. Adaptive Optics Breadboard
(Technical documents/Technical articles)
... sensors and control software. The complete AO system is built on a 45x30 cm breadboard and includes point source, aberration simulator (optional), deformable mirror and Shack-Hartmann WF sensor.  ...
Thursday, 25 August 2011
... correction of low-order aberrations. The integrated tip-tilt stage allows to avoid the double use of the pupil-conjugated plane and to build compact and simple adaptive optical systems. For more detail, ...
Friday, 22 April 2011
... of the low-order aberrations, with 12 actuators located outside of the working aperture of 10 mm, and is mounted on a piezoelectric tip-tilt stage. This allows to avoid the double use of the pupil-conjugated ...
Thursday, 10 February 2011
5. 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
6. Defocus generation with MMDM and PDM
(Technical documents/Technical articles)
... at Flexible Optical, we receive quite often these questions. This short article explains the aspects of the generation/correction of the defocus aberration with MMDM and PDM and considers the ...
Thursday, 27 January 2011
7. Adaptive Optics without trouble
(Technical documents/Technical articles)
Matching of the wavefront corrector to the statistics of aberrations in the optical system can drastically improve the performance of adaptive optical system and reduce its price and complexity. Introduction ...
Monday, 24 January 2011
... designed for correction of  low-order aberrations. By locating 18  of 19 mirror's actuators outside the 20-mm aperture, we achieved perfect correction of the first 15 Zernike polynomials practically ...
Friday, 25 July 2008
9. MrFit
(Products/Software)
... actuators to achieve the best possible compensation for a specified wavefront aberration, defined as a combination of Zernike terms. The program shows the surfaces of the wavefront, the best fit with ...
Friday, 04 April 2008
10. Standard configurations
(Products/Wavefront sensors)
... terms ≤ 44 ≤ 150 ≤ 300 Wavelength 400...900 nm 400...1000nm 400...900nm *For λ= 633 nm **For low-order aberration analysis ...
Thursday, 20 March 2008
11. Wavefront Sensors
(Products/Wavefront sensors)
... of low-order aberrations in polar coordinates or bar-graph format. In the feedback mode, the program couples with OKO deformable mirror and can be used for low-cost real-time adaptive optics. FrontSurfer ...
Thursday, 20 March 2008
12. MrFit is out
(News/2008)
... the best possible compensation for a specified wavefront aberration, defined as a combination of Zernike terms. The program shows the surfaces of the wavefront, the best fit with a specified DM, and ...
Wednesday, 20 February 2008
Our article "Correction of low-order aberrations using continuous deformable mirrors" is published in Optics Express. ...
Monday, 18 February 2008
... of any combination of Zernike aberrations, mode analysis in laser resonators, interferometers, inverse problems, waveguides and propagation in media with non-uniform distribution of refraction index.   ...
Monday, 10 December 2007
15. 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
... package. It has a numerical aperture of 1:10 and can be applied for real-time correction of optical aberrations and generation of precision wavefronts.  ...
Monday, 10 December 2007
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 ...
Monday, 10 December 2007
18. Introduction to the FrontSurfer
(Products/Wavefront sensors)
... testing of transmissive and reflective optics: lenses, mirrors, lens assemblies, collimators, etc. The measurement precision can reach λ/100 rms. Real-time display of low-order aberrations (tip/tilt, ...
Monday, 10 December 2007
... measurement mode, the precision is limited by fabrication errors of the microlens array (or Hartmann mask). Please note that the precision is specified for low-order aberrations, when the sampling error ...
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
<< Start < Prev 1 2 Next > End >>
You can also use the site map