Abstract

Shearing interferometers are very popular and have a growing range of applications, especially in the field of optical testing. We describe a new kind of a lateral shearing interferometer. The lateral shear is produced by two Ronchi phase gratings in series. The phase can be shifted by a lateral movement of one grating relative to the other, and the amount of shear can easily be adjusted by variation of the distance of the gratings. The simplicity of the device is an important advantage, especially in the near IR.

© 1997 Optical Society of America

Phase-shifting lateral shearing interferometer with two pairs of wedge plates

Hyun-Ho Lee, Jang-Hoon You, and Seung-Han Park
Opt. Lett. 28(22) 2243-2245 (2003)

Double Frequency Grating Lateral Shear Interferometer

J. C. Wyant
Appl. Opt. 12(9) 2057-2060 (1973)

Wave-front analysis with high accuracy by use of a double-grating lateral shearing interferometer

G. W. R. Leibbrandt, G. Harbers, and P. J. Kunst
Appl. Opt. 35(31) 6151-6161 (1996)

Method for designing phase-retrieval algorithms for Ronchi phase-shifting lateral-shearing interferometry

Feibin Wu, Jun Han, and Feng Tang
Appl. Opt. 58(13) 3379-3387 (2019)

Dynamic range of Ronchi test with a phase-shifted sinusoidal grating

K. Hibino, D. I. Farrant, B. K. Ward, and B. F. Oreb
Appl. Opt. 36(25) 6178-6189 (1997)