https://www.laserfocusworld.com/optics/article/16562509/optical-surfaces-delivers-ultraprecise-zerodur-parabola-fabricated-deep-underground-for-physics-research?
Optical Surfaces delivers ultraprecise Zerodur parabola (fabricated deep underground) for physics...
An ultraprecise parabolic mirror created by Optical Surfaces and designed for use with a petawatt laser has been delivered to the Central Laser Facility at the...
optical surfacesdeep undergrounddeliversultraprecisezerodur