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Laser emission at 4.5 THz from 15NH3 and a mid-infrared quantum-cascade laser as a pump source

Wienold, Martin and Zubairova, Alsu and Hübers, Heinz-Wilhelm (2020) Laser emission at 4.5 THz from 15NH3 and a mid-infrared quantum-cascade laser as a pump source. Optics Express, 28 (16), pp. 23114-23121. Optical Society of America. DOI: 10.1364/OE.395832 ISSN 1094-4087

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Official URL: https://doi.org/10.1364/OE.395832

Abstract

We present an optically pumped terahertz gas laser, which is based on a mid-infrared quantum-cascade laser as a pump source, a transversely pumped standing wave resonator, and 15NH3 as a gain medium. We observe several laser lines around 4.5 THz, corresponding to rotational transitions in the ν2 band of ammonia. So far, these are the highest frequencies obtained from a QCL-pumped THz gas laser. The involved molecular transitions are unambiguously identified by high-resolution spectroscopy.

Item URL in elib:https://elib.dlr.de/136071/
Document Type:Article
Title:Laser emission at 4.5 THz from 15NH3 and a mid-infrared quantum-cascade laser as a pump source
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Wienold, MartinMartin.Wienold (at) dlr.deUNSPECIFIED
Zubairova, Alsuzualsu (at) mail.ruUNSPECIFIED
Hübers, Heinz-WilhelmHeinz-Wilhelm.Huebers (at) dlr.deUNSPECIFIED
Date:20 July 2020
Journal or Publication Title:Optics Express
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:28
DOI :10.1364/OE.395832
Page Range:pp. 23114-23121
Publisher:Optical Society of America
ISSN:1094-4087
Status:Published
Keywords:Molecular gas laser, terahertz radiation, quantum-cascade laser
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Terahertz and Laser Spectroscopy
Deposited By: Wienold, Martin
Deposited On:21 Sep 2020 12:31
Last Modified:21 Sep 2020 12:31

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