11 December 2003 Telescope with wavelength-agile diffractive wavefront control
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Abstract
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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Mark T. Gruneisen, Mark T. Gruneisen, Lewis F. DeSandre, Lewis F. DeSandre, James R. Rotge, James R. Rotge, Raymond C. Dymale, Raymond C. Dymale, Donald L. Lubin, Donald L. Lubin, } "Telescope with wavelength-agile diffractive wavefront control", Proc. SPIE 5162, Advanced Wavefront Control: Methods, Devices, and Applications, (11 December 2003); doi: 10.1117/12.504894; https://doi.org/10.1117/12.504894
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