Making a Deformable Mirror

Chapters:
00:00 Intro
00:15 Visit to SCHOTT AG
01:38 Adaptive Optics explained
07:56 DIY deformable mirror design
10:10 About NEG ZERO glass-ceramic
11:40 Building a deformable mirror
14:45 Magneto-motive force and power dissipation
18:54 Interferometric measurement using Wavefront Pro
24:24 Making and mounting the ZERO face sheet
27:15 Measurements on ZERO face sheet
28:58 Extro

More information on Wavefront Pro on the website:
https://wavefrontpro.com/
Wavefront Pro was developed by Jaco Verster in close cooperation with Chromar Tecnology:
https://www.chromar.co.za/products/eq...
Huygens Optics does not have commercial affiliations with either of these companies.

IRTF telescope (NASA/University of Hawaii):
https://irtfweb.ifa.hawaii.edu/
Photo credits: Afshin Darian - Flickr: NASA Infrared Telescope Facility, CC BY 2.0, https://commons.wikimedia.org/w/index...

TNO deformable mirrors:
https://www.tno.nl/en/digital/space/g...

SCHOTT ZERODUR:
https://www.schott.com/en-gb/products...
Since filming on the premises was not permitted this video shows stock footage.
A small correction to the maximum diameter of parts that can be processed: this diameter is not 6m, but generally speaking approx. 4.5m.

More info on NEG's zero expansion glass named "ZER0":
https://www.neg.co.jp/en/products/zer...

MMT Arizona (BTW, its not a multiple mirror telescope any more, the current name is now the acronym): https://www.mmto.org/instrument-suite...

Adaptive optics image of the Giant Magallan Telescope AO system:
https://giantmagellan.org/adaptive-se...

ESO telescope image from:
https://www.eso.org/public/teles-inst...

All music written by JJM Vleggaar and performed by Arno Aerts, John Maasakkers, Matthieu Cleijne, Leon Steuns and Liesbeth de Bakker and Jeroen Vleggaar in 2000. The video contains instrumental versions of: 11:36 Summer in E; 24:23 Floating (abreviated/instruments only); 30:24 More to Light (Trippy Joint Remix). The music is not available online anywhere else

"Not a fluke" is a sample taken from a random @lockpickinglawyer video.