Development of wavefront sensors for IR-radiation

Author

Aleksandrov, A.G. ; Kudryashov, A.V. ; Zavalova, V. Ye

Author_Institution

Active Opt.-Nightn N Ltd., Shatura, Russia

fYear

2011

fDate

5-9 Sept. 2011

Firstpage

1

Lastpage

2

Abstract

In this paper we propose two types of Hartmann wavefront sensors for registration of CO₂ laser radiation. One type is based on uncooled bolometric camera and another is based on thermoelectric quadrant sensors. The results of sensors testing are represented in the paper. Their main specification, including accuracy and dynamic range are given also. For example, for a wide aperture beam, 150 mm, the dynamic range of measured wavefront aberrations for thermoelectric quadrant sensor was about 375 microns (tilts). These sensors could be built-in into the adaptive optics systems to correct for infrared radiation.

Keywords

aberrations; adaptive optics; bolometers; image sensors; measurement by laser beam; optical testing; thermoelectric devices; wavefront sensors; CO₂ laser radiation; Hartmann wavefront sensors; adaptive optics systems; infrared radiation; sensors testing; thermoelectric quadrant sensor; thermoelectric quadrant sensors; uncooled bolometric camera; wavefront aberration measurement; wavelength 150 nm; wide aperture beam; Lasers; Measurement by laser beam; Optical diffraction; Optical sensors; Optical variables measurement; Stimulated emission;

fLanguage

English

Publisher

ieee

Conference_Titel

Laser and Fiber-Optical Networks Modeling (LFNM), 2011 11th International Conference on

Conference_Location

Kharkov

ISSN

Pending

Print_ISBN

978-1-61284-811-2

Type

conf

DOI

10.1109/LFNM.2011.6144957

Filename

6144957