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Hagelschuer, Till and Wienold, Martin and Richter, Heiko and Rothbart, Nick and Hübers, Heinz-Wilhelm (2017) High-Resolution terahertz gas-phase spectroscopy based on external optical feedback in a quantum cascade laser. In: 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017. 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017, 27. Aug. - 01. Sep. 2017, Cancun, Mexico. doi: 10.1109/IRMMW-THz.2017.8067144. ISSN 2162-2035.
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Official URL: http://ieeexplore.ieee.org/abstract/document/8067144/
Abstract
We demonstrate the feasibility of high-resolution terahertz gas spectroscopy via the self-mixing effect in a quantum-cascade laser. Tuning the frequency of the quantum-cascade laser across a molecular absorption line of CH3OH leads to a reduction of the optical feedback, which can be detected by monitoring the voltage across the quantum-cascade laser.
| Item URL in elib: | https://elib.dlr.de/117887/ | ||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||
| Title: | High-Resolution terahertz gas-phase spectroscopy based on external optical feedback in a quantum cascade laser | ||||||||||||||||||
| Authors: |
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| Date: | 2017 | ||||||||||||||||||
| Journal or Publication Title: | 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017 | ||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||
| Open Access: | No | ||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||
| DOI: | 10.1109/IRMMW-THz.2017.8067144 | ||||||||||||||||||
| ISSN: | 2162-2035 | ||||||||||||||||||
| Status: | Published | ||||||||||||||||||
| Keywords: | quantum-cascade laser external optical Feedback terahertz spectroscopy | ||||||||||||||||||
| Event Title: | 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017 | ||||||||||||||||||
| Event Location: | Cancun, Mexico | ||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||
| Event Dates: | 27. Aug. - 01. Sep. 2017 | ||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||||
| HGF - Program Themes: | Earth Observation | ||||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||||
| DLR - Program: | R EO - Earth Observation | ||||||||||||||||||
| DLR - Research theme (Project): | R - Optical remote sensing for security-relevant applications | ||||||||||||||||||
| Location: | Berlin-Adlershof | ||||||||||||||||||
| Institutes and Institutions: | Institute of Optical Sensor Systems > Terahertz and Laser Spectroscopy | ||||||||||||||||||
| Deposited By: | Hagelschuer, Till | ||||||||||||||||||
| Deposited On: | 08 Jan 2018 11:53 | ||||||||||||||||||
| Last Modified: | 01 Dec 2018 19:53 |
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