Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 69 for “"Spatial light modulator"”.
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MEMS spatial light modulator for holographic displays
… displays. The approaches use a diffractive spatial light modulator (SLM) built using microelectromechanical system (MEMS) technology. Several related MEMS SLMs are reviewed. In particular, the capabilities of Silicon Light Machines' Grating Light Valve (GLV T) and the Polychromator by …
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Deformable membrane spatial light modulator : a charge coupled approach
Thesis: M.S., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 1980
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Fourier-based optical analysis of a membrane mirror spatial light modulator
… optical system, used to read out a phase-only spatial light modulator (SLM) for phase to intensity conversion. The computational model, based on discrete cosine transforms, is lightweight enough to be run on standard desktop computers, and flexible enough to allow engineering simulations of …
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Low-Cost Spatial Light Modulator for Applications in Free-Space Optical Communication
Spatial Light Modulators (SLMs) are core components deployed for Adaptive Optics (AO) to compensate for atmospheric distortions. AO is an enabling technology for Free-Space Optical Communication, whose performance is severely degraded by the atmosphere. This thesis proposes two low-cost AO …
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Development of a silicon VLSI optically addressed liquid crystal smart spatial light modulator
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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All-Optically Addressed Spatial Light Modulator and Diffractive Optical Element Based on Photoalignment of Azobenzene Polymer
… engines such as liquid crystal on silicon (LCOS) spatial light modulators (SLMs) and optically addressed SLMs (OASLMs) face scalability limitations in achieving smaller pixel sizes, wider diffraction angles, and greater information transmission capacity due to their reliance on electrical driving …
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Parallel and flexible fluorescent imaging using two-photon RESOLFT super-resolution microscopy with spatial light modulator control
… also is limited in imaging speed. We use a spatial light modulator (SLM) as a flexible phase mask of the microscopy. It is used to compensate the system aberration, as well as increasing the imaging speed. The parallel scanning generates multiple super-resolution focuses as an array or in …
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The Diode Laser Source and the Spatial Light Modulator's Driver Electronics for Miniaturized Holographic 3D Imaging
… and to design the driver electronics of the spatial light modulator (SLM) for holographic, three dimensional (3D) imaging. A miniaturized laser diode/fiber/polarizing illumination system capable of 15mW of output at a wavelength of 690nm is designed, fabricated, and tested. The size …
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Investigation into mid-infrared pulse shaping using an optical parametric oscillator
… pulse shaper and a computer controlled spatial light modulator. A suitable search algorithm was written and, with the use of appropriate computer hardware, allowed a closed-feedback loop to be implemented. The computer controlled hardware was demonstrated to be able to autonomously …
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Dynamically programmable surfaces for high-speed optical modulation and detection
… surfaces for spatiotemporal control of light are crucial to many optoelectronic technologies including high-speed optical communication, display and projection, autonomous driving, optical information processing, imaging, and fast programmable optical tweezers. Currently available …
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Optical display of the Airy function and transient wave propagation in a dispersive medium
… along with computer simulations. The use of a Spatial Light Modulator is proposed as the source of the input object in the optical experiment.
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Advances in real-time optical scanning holography
… for recording and electron beam addressed spatial light modulator-based reconstruction has recently been studied and demonstrated. Advances in this area are presented in this thesis. For the first time, holograms of two dimensional objects have been recorded and two-dimensional images have …
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Optical Analysis and Opto-Mechanical Design for Miniaturized Laser Illumination Module in 3D Areal Mapper
A miniaturized spatial light modulator (SLM)-based structured-light illumination module with optical fiber input is designed to generate a coded 256 x 256 spots pattern for 3-D areal mapping applications. The projector uses the light from a He-Ne laser coupled to a polarization-maintaining (PM) …
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Analysis of Side-Polished Few-Mode Optical Fiber
… excited in the polished fiber using a phase-only spatial light modulator to determine spatial mode distribution. Each mode is excited and compared to the expected field distribution and to confirm that higher order modes can propagate through side-polished fiber. Based on each mode’s distribution, …
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Novel Optical Technique for Real-Time Pattern/Image Recognition
… correlation (JTC) optical systems make use of a spatial light modulator (SLM) located in the Fourier plane to record the interference intensity to achieve real-time processing. However, the use of a SLM in the Fourier plane, is a major drawback in these systems since SLMs are limited in …
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Experimental investigation of the dynamics of S1 benzene and the development of a new UV femtosecond pulse shaper
… mode, folded, pulse shaping assembly employing a spatial light modulator. Second harmonic generation is used to frequency double the shaped visible pulse down to the deep ultraviolet energy region. A variety of pulse shapes have been synthesised and characterised using cross-correlation frequency …
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Optimal standoff imaging using structured laser illumination and graphical models
… using a lens or a detector array. A series of spatially-structured laser pulses is cast on the scene of interest, and a single-detector power measurement is made on the light each pulse returns from the scene. There has been significant interest in the "ghost imaging" configuration, in which …
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Optical Deformation of Emulsion Droplets
… trapping apparatus, and investigate the use of a spatial light modulator for the creation of arrays of optical traps. Optical deformation of microemulsion droplets has previously been demonstrated for systems with ultra-low interfacial tension. A disadvantage of the systems used was the strong …
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Controlling molecules with lasers and lasers with molecules
… molecules. We created a molecular triplet state spatial light modulator (SLM) to be used both outside and inside the laser cavity for ultrafast pulse shaping. The SLM consists of a liquid or thin film sample with a strong triplet state absorption.
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