Ceramic additive manufacturing of a simple plano mirror
Proceedings - 34th ASPE Annual Meeting
Abstract not provided.
Publications
An exploration of the optical detection of ionizing radiation utilizing modern optics technology
Abstract not provided.
An exploration of the optical detection of ionizing radiation utilizing modern optics technology
Abstract not provided.
An exploration of the optical detection of ionizing radiation utilizing modern optics technology
Abstract not provided.
Additive Manufacturing of Ceramic Optical Components
Abstract not provided.
Using Optical Nitrogen Fluorescence to Detect and Characterize Ionizing Radiation in the Atmosphere
Abstract not provided.
Additive manufacturing of reflective optical components
Proceedings - 32nd ASPE Annual Meeting
Abstract not provided.
New radiological material detection technologies for nuclear forensics: Remote optical imaging and graphene-based sensors
We developed new detector technologies to identify the presence of radioactive materials for nuclear forensics applications. First, we investigated an optical radiation detection technique based on imaging nitrogen fluorescence excited by ionizing radiation. We demonstrated optical detection in air under indoor and outdoor conditions for alpha particles and gamma radiation at distances up to 75 meters. We also contributed to the development of next generation systems and concepts that could enable remote detection at distances greater than 1 km, and originated a concept that could enable daytime operation of the technique. A second area of research was the development of room-temperature graphene-based sensors for radiation detection and measurement. In this project, we observed tunable optical and charged particle detection, and developed improved devices. With further development, the advancements described in this report could enable new capabilities for nuclear forensics applications.
Spectral diffraction efficiency characterization of broadband diffractive optical elements
Diffractive optical elements, with their thin profile and unique dispersion properties, have been studied and utilized in a number of optical systems, often yielding smaller and lighter systems. Despite the interest in and study of diffractive elements, the application has been limited to narrow spectral bands. This is due to the etch depths, which are optimized for optical path differences of only a single wavelength, consequently leading to rapid decline in efficiency as the working wavelength shifts away from the design wavelength. Various broadband diffractive design methodologies have recently been developed that improve spectral diffraction efficiency and expand the working bandwidth of diffractive elements. We have developed diffraction efficiency models and utilized the models to design, fabricate, and test two such extended bandwidth diffractive designs.
Practical Implementation of Broadband Diffractive Optical Elements
Abstract not provided.
Iris Imaging System with Adaptive Optical Elements
(TENTATIVE) Optical Engineering
Abstract not provided.
11 Results