A diffractive optical element is described that can be used to implement a very simple self-aligning electronic speckle-pattern interferometer and holographic interferometer that requires only a laser source and a camera in the optical setup.
© 2002 Optical Society of America
(090.2880) Holography : Holographic interferometry
(090.2890) Holography : Holographic optical elements
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry
Sridhar Reddy Guntaka, Vincent Toal, and Suzanne Martin, "Holographically recorded photopolymer diffractive optical element for holographic and electronic speckle-pattern interferometry," Appl. Opt. 41, 7475-7479 (2002)