Bosby & Associates

Bosby & Associates

Bosby & associates

featured inventory



Certification/Calibration of your interferometer. NIST traceable.

Replacement lasers for a variety of Zygo® Interferometers

Mark-I, Mark-II, Mark-III, Mark-IV, Mark-IV XP, Mark GPI XPS and Verifire/GPI interferometers.
More details in “Spare Parts”

New Laser for ADE-Phase Shift Technology MiniFIZ – $4,950

Direct replacement laser for the MiniFIZ.
Not OEM, not frequency stabilized.
Has mounting rings for easy installation.
Must return your old, defective laser.

Radius of Curvature – $1,095

Silicon Carbide ball that can be used as Radius of Curvature (ROC) standard.
1-inch ball = 1/2″ Radius. Grade 5 ball = diameter and roundness are within 5 micro-inches (125 nm) of nominal.

NEW….. CaliBall™ – $1,095

If you check spherical surfaces using an interferometer you need a CaliBall™ in your shop. This calibration ball is used to determine the residual error in interferometer test optics. Email for detailed technical papers and procedure. CaliBall2 is $1,695 – includes fixture to hold CaliBall in a Zygo mount.

Point Diffraction Interferometer (PDI) plates 

Manufactured in Germany – More Information in the “Interferometers” section.

Transmissions Flats (TF) & Tranmissions Spheres (TS)

Many TF’s, RF’s and TS’s available. Check out the complete listing under “Optical Accessories”