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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, 2017-08-27 - 2017-09-01, 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 Start Date: | 27 August 2017 | ||||||||||||||||||||||||
| Event End Date: | 1 September 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: | 24 Apr 2024 20:22 |
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