Binary phase elements in photoresist have been implemented which transform a uniform beam of light into an array of output light spots by means of the fractional Talbot effect. Arrays of more than 30 × 30 light spots with varying spot shapes have been achieved with compression ratios of up to 1:9.
© 1990 Optical Society of America
Original Manuscript: September 1, 1989
Published: October 10, 1990
Adolf W. Lohmann and James A. Thomas, "Making an array illuminator based on the Talbot effect," Appl. Opt. 29, 4337-4340 (1990)