Nanomotion measurement by phase conjugate interferometry

• Published in: Conference on Lasers and Electro-Optics, 2004. (CLEO) Vol. 1; p. 2 pp. vol.1
• Main Authors: Kurtz, R.M., Pradhan, R.D., Aye, T.M., Savant, G.D., Klein, M.V.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 2004
• Subjects: Distance measurement; Laser beams; Lighting; Mirrors; Motion measurement; Nonlinear optics; Optical interferometry; Optical mixing; Optical sensors; Phase measurement

A new interferometer design for measuring nanometer-level motion is presented. Experiments show that this new design enables motion measurement at much longer distances than the current state of the art with no loss in accuracy.