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Microoptics has become the key technology in liquid crystal display systems due to its capabilities of miniaturization and design flexibility. We successfully demonstrate five different microoptical c...
Optical design for extremely large telescope adaptive optics systems
adaptive optics (AO) extremely large telescopes PWFS’s LGS
2011/4/20
Designing an adaptive optics (AO) system for extremely large telescopes (ELT’s) will
present new optical engineering challenges. Several of these challenges are addressed in this work, including firs...
The Lund Dual-Conjugate Adaptive Optics Demonstrator
Multi-conjugate Adaptive Optics Strehl Ratio wave-front reconstruction
2011/4/20
The purpdse of this Disploma Work was to test principles of Dual Conjugate Adaptive Optics on a breadboard test model,Although the theory has existed for 15 years now,only limited testing of Multi-con...
Fast wave-front reconstruction in large adaptive optics systems with use of the Fourier transform
FFT Shack–Hartmann-based reconstructors
2011/4/20
Wave-front reconstruction with the use of the fast Fourier transform (FFT) and spatial filtering is shown to be computationally tractable and sufficiently accurate for use in large Shack–Hartmann-base...
Spatially filtered wave-front sensor for high-order adaptive optics
FFT Shack–Hartmann-based reconstructors
2011/4/20
Wave-front reconstruction with the use of the fast Fourier transform (FFT) and spatial filtering is shown to be computationally tractable and sufficiently accurate for use in large Shack–Hartmann-base...
High-Density Integrated Optics
integrated optics optical waveguide components resonators waveguide bends
2015/8/12
This paper presents two-dimensional (2-D) finite difference time domain (FDTD) simulations of low-loss rightangle waveguide bends, T-junctions and crossings, based on high index-contrast wavegui...