Preparing a 20µm water vapour monitor (IRMA) for operations at Dome C

• Main Authors: Phillips, R. R., Naylor, D. A., Knee, L. B., Dahl, R. E., Sirbu, D.
• Format: Article in Journal/Newspaper
• Language: English
• Subjects: Antarctic; Gemini; Antarc*; Antarctica
• Online Access: https://nrc-publications.canada.ca/eng/view/object/?id=4da56647-5b19-4a41-bc93-46658fa425c9; https://nrc-publications.canada.ca/fra/voir/objet/?id=4da56647-5b19-4a41-bc93-46658fa425c9

The Infrared Radiometer for Millimetre Astronomy (IRMA) is a compact, relatively low cost, 20 µm water vapour monitor. By carefully choosing a 2 µm band that contains only water vapour molecule transitions it is possible to use a simple infrared detector chip to measure the total flux emitted by a c...