Superpolished Mirrors
Research Electro-Optics Inc. (REO)Request Info
REO’s new superpolished laser mirrors offer low loss and
can be produced on a number of substrate materials. Their microroughness is <0.5
Å, enabling scattering loss of <5 ppm and finesse of 200,000 when incorporated
into optical cavities. Ion beam-sputtered coatings, used to take advantage of the
ultrasmooth surfaces, deliver reflectivities of >99.998% at any wavelength in
the 450-nm to 2-μm range. The mirrors are supplied with diameters in the 6-
to 101-mm range, with a flatness of λ/20 at 633 nm, 10-5 surface quality over an
80% clear aperture, with zero defects (0-0) achievable over controlled subapertures.
Typical applications include cavity mirrors in low-gain gas and solid-state HeNe
and HeCd lasers, and systems that use nonlinear processes.
https://www.excelitas.com
/Buyers_Guide/Research_Electro-Optics_Inc_REO/c12705
Published: September 2011
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