Asymmetric phase grating as 4.7 THz beam multiplexer for GUSTO

B. Mirzaei*, Y. Gan, J. R. Silva, M. Finkel, S. Yates, W. Laauwen, A. Young, C. Walker, J. R. Gao

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

2 Citations (Scopus)

Abstract

The grating design for the 4.7 THz channel of GUSTO (Galactic/ Extragalactic ULDB Spectroscopic Terahertz Observatory) has been reported in this paper, which acts as a beam multiplexer for coupling a single QCL (Quantum Cascade Laser) beam to an 8-pixel mixer array. The design and analysis are based on modeling and simulations showing a successful accommodation of the requirements from the designed optical system. The asymmetric feature is used and to be applied for the first time at such a frequency range.
Original languageEnglish
Title of host publicationISSTT 2019 - 30th International Symposium on Space Terahertz Technology, Proceedings Book 2019
PublisherInternational Symposium on Space Terahertz Technology (ISSTT)
Pages114-116
Publication statusPublished - 2019
Event2019 30th International Symposium on Space Terahertz Technology, ISSTT 2019 - Gothenburg, Sweden
Duration: 15 Apr 201917 Apr 2019

Conference

Conference2019 30th International Symposium on Space Terahertz Technology, ISSTT 2019
CountrySweden
CityGothenburg
Period15/04/1917/04/19

Keywords

  • Array receivers
  • GUSTO
  • Heterodyne
  • Phase grating
  • Terahertz

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