A Holography-Based Modal Wavefront Sensor for the Precise Positioning of a Light Emitter Using a High-Resolution Computer-Generated Hologram

In certain applications, modal wavefront sensors (MWFSs) can outperform zonal wavefront sensors, which are widely used due to their high flexibility. In this paper, a holography-based MWFS as described is developed for the fast position control of a light emitter in a deep parabolic mirror. The ligh...

Full description

Saved in:
Bibliographic Details
Published inIEEE photonics journal Vol. 10; no. 1; pp. 1 - 11
Main Authors Loosen, Florian, Stehr, Johannes, Alber, Lucas, Harder, Irina, Lindlein, Norbert
Format Journal Article
LanguageEnglish
Published IEEE 01.02.2018
Subjects
Advanced optics design
Detectors
Diffraction
diffractive optics
Holography
Ions
Light sources
Mirrors
Online AccessGet full text

Cover

More Information
Summary:In certain applications, modal wavefront sensors (MWFSs) can outperform zonal wavefront sensors, which are widely used due to their high flexibility. In this paper, a holography-based MWFS as described is developed for the fast position control of a light emitter in a deep parabolic mirror. The light source is located in the vicinity of the focal point. Instead of Zernike polynomials, more complex phase functions, which are related to certain dislocations of the light source are used as detector modes. The performance of the sensor is verified with a test setup, where the test wavefront is generated by a spatial light modulator instead of a real parabolic mirror. The design and fabrication of the required high-resolution holographic element is described and an easy way of multiplexing several single mode sensors is demonstrated.
ISSN:1943-0655
1943-0655
1943-0647
DOI:10.1109/JPHOT.2018.2799383