A method using the magnification of the Talbot image and the moiré technique to measure the focal length of a collimating lens is described.
© 1991 Optical Society of America
Original Manuscript: August 4, 1990
Published: November 1, 1991
J. C. Bhattacharya and A. K. Aggarwal, "Measurement of the focal length of a collimating lens using the Talbot effect and the moiré technique," Appl. Opt. 30, 4479-4480 (1991)