Wavelength shifting Fizeau interferometer for multi surface cavities
Verifire MST from ZygoVerifire MST - wavelength shifting laser for simultaneous measurement of the front and back surface of transparent optics, thickness variation, wedge and 2-step homogeneity.The Verifire MST can measure two-, three- and even four-surface cavities. Show all of the surfaces, or only the surfaces of interest, within the MetroPro software. Artifacts are naturally suppressed using FTPSI, eliminating the need for an extended source.
- Two-, three- and even four-surface cavities
- Standard 4" or 6" aperture
- Complete accessory
- Zygo transmission spheres and flats
Further information
Measuring an uncoated parallel plate gives two layered interferograms (a three-surface cavity) that only confuse standard Phase Shift Interferometry algorithms.
Zygo has solved this problem using wavelength shifting of phase, and Zygo's patented Fourier transform phase shifting interferometry (FTPSI). The Verifire MST can measure two-, three- and even four-surface cavities. Show all of the surfaces, or only the surfaces of interest. Artifacts are naturally suppressed using FTPSI.
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Quantum Design S.A.R.L.
Avenue de l’Atlantique
Bâtiment Fuji Yama
91940 Les Ulis
France
Phone: | +33 1 69 19 49 49 |
E-mail: | franceqd-europe.com |