The meeting room has now also been confirmed. We will meet in CE.0.12.

Sebastiaan

From: haffert@strw.leidenuniv.nl <haffert@strw.leidenuniv.nl>
Sent: Monday, 19 January 2026 13:15
To: 'instrumentation@mailman.strw.leidenuniv.nl' <instrumentation@strw.leidenuniv.nl>
Subject: [Instrumentation] Delft science and technology group visit

Hello all,

Tomorrow we will have the group from Delft visiting us. We have an updated schedule for tomorrow since they couldn’t start in the morning. We now start at 12:45. I also removed the dinner because not enough people are available ( including me ).

Schedule for Science and Technology group visit at Leiden

Time	What	Where
12:45 – 13:15	Walk-in + coffee	Kaiser Lounge
13:15 – 13:45	Welcome by Sebastiaan + overview presentation of what we do.	Meeting room TBD
13:45 – 14:45	Visit to METIS and optical lab
14:45 – 15:15	2x Leiden Presentations + Q/A	Meeting room TBD
15:15 – 15:45	Coffee Break
15:45 – 16:30	3x Leiden Presentations + Q/A	Meeting room TBD
16:30 – 17:15	Open discussion time	Meeting room TBD

These are the talks that we will be giving.

Sebastiaan : Introduction to Leiden instrumentation. What are our big projects (ELT, GMT, HWO). What technology do we develop (diffractive optics + real/soft time control). Infrastructure (new AO testbed).
Rico : HWO + vector vortex coronagraphy
Elena : PIAACMC coronagraphy
Matthijs: Optical system modeling and non-linear wavefront sensing
Yinzi: Fiber nulling and mode sorting
Michiel : MKIDS and ZWFS

Met vriendelijke groet / With kind regards,

Dr. Sebastiaan Haffert

Assistant professor

Leiden Observatory, Leiden University

Einsteinweg 55, 2333 CC, Leiden, The Netherlands