http://www.ultraprecision.org/location/fisba-optik-microphase-interferometer/fisba2/ Webfrequencies than are common are desired. The interferometer used to measure the parts for NIF project is required to have greater than a 60% system transfer function at half the Nyquist frequency. Over the 100mm sub-aperture used for the NIF optics measurements, this translates to measurement of frequencies up to 2.5lines/mm.
Fisba Interferometer Center for Optoelectronics and Optical ...
WebApr 1, 2024 · The optical layout of the advanced simultaneous phase-shifting Fizeau interferometer is shown in Fig. 1.The spherical wavefront emitted from the fiber laser is … WebDigital Speckle Pattern Interferometry (DSPI) is a well-established method for the measurement of diffuse objects in experimental mechanics. DSPIs are phase shifting … candles with tapered bottom
(PDF) V Phase-Measurement Interferometry Techniques
WebµPhase ® interferometers are very compact, small and lightweight digital devices that can be used in almost any work environment. With support from the µShape software, extensive measurement analyses can be … WebNeal Brock, John Hayes, Brad Kimbrough, James Millerd, Michael North-Morris, Matt Novak and James C. Wyant. Proceedings of SPIE Vol. 5875 (SPIE, Bellingham, WA), page 58750F-1, 2005. Download PDF. The largest limitation of phase-shifting interferometry for optical testing is the sensitivity to the environment, both vibration and air turbulence. Webinterferometry (PMI) techniques as well as the types of algorithms used. The bibliography lists a number of references for further reading. Background Basic Parts of a Phase-Measuring Interferometer A phase-measuring interferometer consists of a light source, an illumination system (providing uniform illumination across the test surface), a ... candle tables