Coherent Superposition of Terahertz Beams from a Phased Linear Photomixer Array

Bauerschmidt, Sebastian; Preu, Sascha; Malzer, Stefan; Doehler, Gottfried H.; Wang, Lijun; Lu, Hong; Gossard, Arthur C.

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Coherent Superposition of Terahertz Beams from a Phased Linear Photomixer Array

Bauerschmidt, S., Preu, S., Malzer, S., Doehler, G. H., Wang, L., Lu, H., et al. (2009). Coherent Superposition of Terahertz Beams from a Phased Linear Photomixer Array. In TERAHERTZ AND MID INFRARED RADIATION: BASIC RESEARCH AND PRACTICAL APPLICATIONS, WORKSHOP PROCEEDINGS (pp. 75-76). 345 E 47TH ST, NEW YORK, NY 10017 USA: IEEE.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6C3F-C Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6C40-6

Genre: Conference Paper

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Creators:
Bauerschmidt, Sebastian¹, Author
Preu, Sascha^{1, 2}, Author
Malzer, Stefan³, Author
Doehler, Gottfried H.⁴, Author
Wang, Lijun¹, Author
Lu, Hong⁵, Author
Gossard, Arthur C.⁵, Author

Affiliations:
1Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364711
2International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364697
3Guests, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364696
4External Organizations, ou_persistent22
5external, ou_persistent22

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Free keywords: Engineering; Optics; Physics;

Abstract: We report on a 4 element linear array of free standing, tunable THz n-i-pn-i-p superlattice photomixers. The individual THz beams are coherently combined at a target plane distance of 4.2 m. The measurements of the interference pattern confirm the theoretically expected quadratic intensity increase of the center beam with the number of sources. At the same time, the beam waist is reduced in one dimension by a factor of 6 compared to a single beam. This technique allows for high resolution, THz stand off imaging.

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Language(s): eng - English

Dates: Date issued: 2009

Publication Status: Issued

Pages: 2

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Table of Contents: -

Rev. Type: -

Identifiers: ISI: 000282063000038

Degree: -

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Title: Workshop on Teraherz and Mid Infrared Radiation (TERA-MIR 2009)

Place of Event: Inst Theoret Appl Phys, Turunc Marmaris, TURKEY

Start-/End Date: 2009-11-03 - 2009-11-06

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Title: TERAHERTZ AND MID INFRARED RADIATION: BASIC RESEARCH AND PRACTICAL APPLICATIONS, WORKSHOP PROCEEDINGS

Source Genre: Proceedings

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Publ. Info: 345 E 47TH ST, NEW YORK, NY 10017 USA : IEEE

Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 75 - 76 Identifier: ISBN: 978-1-4244-3848-8