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Hartmann Sensor for Wavefront Measurements at Terahertz Frequencies

Richter, Heiko and Greiner-Bär, Michael and Deßmann, N. and Pfund, Johannes and Wienold, Martin and Schrottke, Lutz and Grahn, H. T. and Hübers, Heinz-Wilhelm (2013) Hartmann Sensor for Wavefront Measurements at Terahertz Frequencies. IRMMW-THz2013, 1.-6. Sept. 2013, Mainz.

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Abstract

The measurement of the wavefront of a terahertz (THz) beam is essential for the development of any optical instrument operating at THz frequencies. We have realized a Hartmann wavefront sensor for the THz frequency range. The sensor is based on an aperture plate consisting of a regular square pattern of holes and a microbolometer camera. The performance of the sensor is demonstrated by characterizing the wavefront of a THz beam emitted by a quantum-cascade laser.

Item URL in elib:https://elib.dlr.de/86903/
Document Type:Conference or Workshop Item (Speech)
Title:Hartmann Sensor for Wavefront Measurements at Terahertz Frequencies
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Richter, HeikoHeiko.Richter (at) dlr.deUNSPECIFIED
Greiner-Bär, Michaelmichael.greiner-baer (at) dlr.deUNSPECIFIED
Deßmann, N.nils.dessmann (at) dlr.deUNSPECIFIED
Pfund, JohannesOptocraftUNSPECIFIED
Wienold, MartinPDIUNSPECIFIED
Schrottke, LutzPDIUNSPECIFIED
Grahn, H. T.PDIUNSPECIFIED
Hübers, Heinz-WilhelmHeinz-Wilhelm.Huebers (at) dlr.deUNSPECIFIED
Date:2013
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:THz, Hartmann sensor, wavefront sensor
Event Title:IRMMW-THz2013
Event Location:Mainz
Event Type:international Conference
Event Dates:1.-6. Sept. 2013
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Project OPTIMODE (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Experimentelle Planetenphysik
Deposited By: Richter, Dr.rer.nat. Heiko
Deposited On:06 Jan 2014 09:35
Last Modified:01 Dec 2018 19:50

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