This is the material presented during the (first) IEA Wind Task 52 Lunch Seminar Series, which was held online on between 13-16 February 2023 (all days 13-14 CET). The seminars were opened with an introduction by the Operating Agent, see 20230215_IEA-Wind-Task52_lunch-seminar-INTRO_GotJul (1), followed by these presentations: Day 1 -- focus on Lidar-Assisted Control (LAC), organized by David Schlipf (20230213_LAC_WG) Feng Guo on "Improved modeling of lidar wind preview for wind turbine control" Feng_Guo_LunchSeminar_v2n Axel Schild on "Lidar-assisted model predictive turbine control" Schild_Challenges_on_the_way_to_indstrial_reality Day 2 -- focus on Complex Terrain, organized by Alexander Stoekl Andrew Hastings Black on "Point and lidar wind field reconstruction sensitivities in complex flow" IEATask52_LunchWebinarSeries_ComplexFlowWFR_AndrewBlack_14FEB2023 Johannes Becker on "Scanning LiDAR in Complex Terrain for Wind Ressource Assessment" GEO-NET_IEA-Task52-Lunch-Session_EWINO-Approach-Scanning-LiDAR-in-WRA_20230214 Day 3 -- focus on Scanning Lidar Offshore, organized by Andrew Oldroyd Yuko Ueda on "Validation of near-shore wind measurements using a dual scanning LiDAR" 230215_task52_lunch_seminar_ueda Paula Gómez, Elliot Simon, Mike Courtney on "Guidelines for the usage of scanning lidars for power curve verification" 20230215_IEA52_webinar Day 4 -- focus on Floating Lidar, organized by Julia Gottschall Introductory presentation "Floating lidar within the IEA Wind 'Lidar' Task so far ..." 20230216_IEA-Wind-Task52_Lunch-seminar_GotJul Peter Clive on "Floating lidar standards and guidance, an update centred around the upcoming technical specification IEC 61400-50-4" FLS Standard - update - 2023-02-16 Please note that each document or presentation may have its own license. If in doubt about reusing or citing any of the material presented here, please contact the authors.