{"ob_id":1036,"uuid":"667d8ccf162a4b50a9ee64db86ed4c2d","title":"MSF: Long Path-length Absorption Cell (LPAC)","abstract":"The long path-length absorption cell (LPAC) at RAL is a 9-metre long stainless-steel vessel containing multi-pass reflective optics for broadband high-resolution spectroscopy at long optical path-lengths from 32 metres to over 1 km. The cell temperature, logged automatically to computer, can be controlled at any point between 190 and 320 K, and cooling to 77 K is also possible. A state-of-the art high-vacuum system ensures the LPAC and all external optical paths can be fully evacuated.","keywords":"","identifier_set":["https://catalogue.ceda.ac.uk/api/v2/identifiers/757/?format=json","https://catalogue.ceda.ac.uk/api/v2/identifiers/758/?format=json"],"instrumentType":"sampler","subInstrument":[],"responsiblepartyinfo_set":["https://catalogue.ceda.ac.uk/api/v2/rpis/3308/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/3307/?format=json"]}