The Owner Steve Dodds
16" & 20" Mirrors Being Polished
Polishing a 25"
The Test Room
Nova Optical uses optical flats to test all of our mirrors.
32" Optical Flat
A 25" Mirror Under Test Using The 32" Optical Flat
16" Optical Flat
A 15" Mirror Under Test Using The 16" Optical Flat
Testing The Radius With A Spherometer
Checking The Anneal With Polarized Light
The annealing process removes stress within the glass.
Both images are the same 25" mirror. As the polarizer is rotated
it will cut off all of the light passing through the mirror. Any unannealed parts of the mirror will allow light to pass through.
Testing diagonal mirrors with a Zygo interferometer
More Pictures Coming Soon