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.
Results
Showing 1 to 20 of 27 for “"Spatial light modulator (SLM)"”.
-
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 …
-
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 …
-
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 …
-
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 …
-
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 …
-
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) …
-
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 …
-
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.
-
Optical tweezers for signal detection and micromanipulation
… optical tweezers and introducing second harmonic light, generated via a frequency doubling crystal, for the excitation of the SERRS signal. In addition to trapping single particles, a spatial light modulator (SLM) was introduced into the optical tweezers to produce holographic optical tweezers. …
-
Properties and processing applications of photoreactive BSO
… and a liquid crystal television (LCTV) as a spatial light modulator (SLM) is implemented. The physical basis of the processes involved in the photoreffactive recording is studied, and the moving grating enhancement technique is investigated.<br/><br/>Photoreffactive BSO is investigated for …
-
Stop-flow lithography and its application to graphical encoding
… combining Stop-Flow Lithography (SFL) and a spatial light modulator (SLM). With this technique, geometrically anisotropic colloid particles are generated at high throughput (~106 particles/h). Fabrication of functional materials such as hydrogel and shape memory polymer is proven compatible. …
-
Adaptive Mode Control in Few-Mode and Highly Multimode Fibers
… in the case of step-index FMFs, a phase-only spatial light modulator (SLM) is employed to manipulate the light at the fiber input end, driven by the feedback signal provided by the correlation between the charge coupled device (CCD) camera captured images at the fiber output end and the target …
-
Volumetric additive manufacturing of polymer structures by holographically projected light fields
… explores the use of holographically-shaped light fields for producing three-dimensional structures in a "volume at once" approach. Leveraging advances in spatial light modulator (SLM) technology, phase-controlled light fields are projected into photopolymer resin to cure a desired geometry. …
-
Multiple-input multiple-output visible light communication receivers for high data-rate mobile applications
Visible light communication (VLC) is an emerging form of optical wireless communication that transmits data by modulating light in the visible spectrum. To meet the growing demand for wireless communication capacity from mobile devices, we investigate multiple-input multiple-output (MIMO) VLC to …
-
Optical control of polariton condensation and dipolaritons in coupled quantum wells
Polaritons are lightweight bosonic quasiparticles that result from the strong coupling of light with an exciton transition inside a microcavity. A sufficiently dense cloud of polaritons condenses into a polariton condensate, a state of matter showing macroscopic coherence and superfluid properties, …
-
Ultrafast laser fabrication of a K-band integrated optic 2-telescope beam combiner for astronomical interferometry
… array. A liquid crystal on silicon phase-only spatial light modulator (SLM) is integrated into a conventional ULI fabrication system to control the laser phase profile at the objective plane. During the fabrication runs, the SLM is used to provide dynamic control of the virtual numerical …
-
Precise optical manipulation techniques for exploring neuronal function
… using realistic spatio-temporal patterns of light that resemble physiological stimuli, a prerequisite to a systematic study of synaptic integration. This thesis demonstrates that holographic projection with a spatial light modulator (SLM) enables the generation of multiple uncaging focal …
-
Precise optical manipulation techniques for exploring neuronal function
… using realistic spatio-temporal patterns of light that resemble physiological stimuli, a prerequisite to a systematic study of synaptic integration. This thesis demonstrates that holographic projection with a spatial light modulator (SLM) enables the generation of multiple uncaging focal …
-
Hybrid Opto-Electronic Processing Systems for Integer Multiplication
… information processing is again in the spotlight. The application of optical techniques allows for the possibility of accelerated computation technologies. By incorporating light into the computation, this research investigates methods and strategies for achieving high bit-precision integer …
-
High-Definition Holographic Head-Up Displays
… 3D Ultra-High Definition (UHD) projections using Light Detection and Ranging (LiDAR) data in the driver’s field of view (eye box). Different light sources such as a HeNe laser and an Nd:YVO<sub>4</sub> laser were compared in terms of accuracy, precision, and ease of use in the HUD applications. A …
Page 1 of 2