AMICA

Airborne Mid-Infrared CAvity enhanced spectrometer

The Airborne Mid-Infrared CAvity enhanced spectrometer (AMICA) was developed at ICE-4 for high resolution trace gas measurements using Off-Axis-Integrated-Cavity-Output-Spectroscopy (ICOS). In its current setup, AMICA can measure carbonyl sulfide (OCS), carbon monoxide (CO), carbon dioxide (CO₂), tropospheric water vapor (H₂O), and Ozone (O₃). OCS observations are used to better constrain its tropospheric sources and sinks and its contribution to the stratospheric aerosol layer. By swapping laser diodes, detectors and mirrors, AMICA could be adapted to measure a range of different target species.

Tower measurements:
Weather data of the last 24h

Trace gas observations with Los Gatos ICOS Analyzer on the FZJ meteorological tower:
https://amica.icg.kfa-juelich.de/TowerObservations

Measurement technique

ICOS :
• Off-Axis-Integrated-Cavity-Output-Spectroscopy
• Sensitive measurements due to long path length
• Rugged design through 'off-axis' geometry
• Wavenumber range: 2050.3-2050.9 cm-1, mid Infrared fingerprint region

Campaigns on the research aircraft Geophysica

• Test campaign 2015/2016
• StratoClim (India) 2016

Contact:

Dr. Marc von Hobe
Phone: +49 2461 61-4620