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Prisms Unlimited Assets

Optical shop for sale. +35 years in business - All custom optics 5-250mm. Spherical and flat optics.

<$3M annual sales < 10 employees.
Conventional/CNC equipment. No coating in-house.
>10K S.F. Manufacturing
Serving OEM, Semi, Government, R&D and Bio-Med

NIF certified supplier
Cleanroom assembly
Centrally located in the San Francisco Bay Area

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 GPI interferometers.

More details in "Spare Parts"

New Laser for ADE-Phase Shift Tech 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.

Interferometer upgrades - Modernize your older, computer-based phase measuring interferometer (PMI) system. Several options available for new computer analysis for your existing interferometer system. From simple plug-n-play to full refurbishment/camera replacement. Pricing varies as per specific requirements. Suppliers include Apre Instruments (Reveal), Mahr (Intelliwave), and 4D Technology (4Sight software).

NEW….. CaliBall™
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 $1,250 - includes fixture to hold CaliBall in a Zygo mount. CaliBall is $900

Radius of Curvature Standard
Silicon Carbide ball that can be used as Radius (ROC) standard, 1-inch ball = 1/2" Radius
Grade 5 ball = diameter and roundness are within 5 micro-inches (125 nm) of nominal. $900

Point Diffraction Interferometer (PDI) plates - manufactured in Germany - More Information in the "Interferometers" section.


Many TF's, RF's and TS's available. Check out the complete listing under "Optical Accessories"

More equipment available.....please inquire.
Jeff Bosby
Bosby & Associates
682 Shockley Road
Auburn, CA 95603-3641
530-878-8598 Voice



Page Last Updated: 2/25/2020 9:41:14 AM

Questions, problem or suggestion? Contact Us  To place an order, call: 530-878-8598