Workshop: 17th November 2020 – Workshop on Airborne Chemical Contamination, hosted by Tuomas Hieta (Gasera). Location: Online via link provided at registration. Register here. Programme for the day here. Workshop: 5th November 2020 – Workshop on Advanced Optical Spectroscopy for Gas Detection, co-hosted by Tuomas Hieta (Gasera) & Geoff Barwood (NPL). Location: Online via link provided at registration. Register here. Programme for the day here. Conference: Dr Anne Curtis participated in the virtual CLEO2020 conference (11 -15 May 2020), which focuses on laser science and photonic applications, and this year included streams on Applications & Technology, Fundamental Science, and Science & Innovations. Slides from Cleo2020 She gave a live-streamed contributed talk on our EURAMET-funded work in developing NICE-OHMS spectrometers for detection of trace gases relevant for the semiconductor industry, specifically ammonia and HCl. Her presentation slides can be found here . For a recording of her presentation or more information on this work, please contact Anne Curtis (anne.curtis@npl.co.uk).