Computer-generated diffractive optics for large aberration compensation

Details Computer-generated diffractive optics for large aberration compensation Computer-generated diffractive optics for large aberration compensation

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5481..168g&link_type=abstract

Laser Optics 2003: Wavefront Transformation and Laser Beam Control. Edited by Sherstobitov, Vladimir E.; Soms, Leonid N. Pro

Physics

Optics

1

Scientific paper

Programmable diffractive optics utilizing a high-resolution liquid-crystal phase modulator is demonstrated as a technique for large-range, two-dimensional aberration control. A high-resolution phase modulator system introduces modulo-2π phase compensation via discrete-step phase modulation and operates with 307,200 independently addressable elements, and total optical efficiencies of up to 93%. Near-diffraction-limited imaging and beam directing is demonstrated in a telescope system with large off-axis aberrations. Wavelength-agile and extended spectral bandwidth operation are also demonstrated.

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