Search Results - jannick+rolland-thompson

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See-through Reflective Metasurface Diffraction Grating
Semi-transparent nanostructured surface applicable to AR/VR technology Institute Reference: 2-19053 Background Dielectric reflective metasurfaces provide a versatile alternative to conventional optics, especially in compact near-eye display systems for augmented reality applications. In typical reflective metasurfaces, there is a non-transparent...
Published: 10/22/2024   |   Inventor(s): Jannick Rolland-Thompson, Anthony (Nick) Vamivakas, Fei Cheng, Aaron Bauer, Daniel Nikolov
Keywords(s):  
Category(s): Optics, Devices
Multiconfiguration Afocal Freeform Telescope
An afocal telescope system with adjustable magnification and field of view (FOV) modes for object searching and object inspection Institute Reference: 2-24029 Background As applications for earth-viewing satellites become more diverse, the required specifications of on-board optical systems become increasingly complex and challenging to achieve...
Published: 10/22/2024   |   Inventor(s): Jannick Rolland-Thompson, Aaron Bauer
Keywords(s):  
Category(s): Optics, Imaging
Compact High NA All-Reflective Microscope Objectives
All-reflective, chromatic aberration-free microscope objective enabling ultra-broadband imaging without color distortions Institute Reference: 2-24031 Background High numerical aperture (NA) objectives are essential in optical microscopy, especially for biological and medical imaging, where high resolution and clarity are required. Traditional objectives...
Published: 10/22/2024   |   Inventor(s): Jannick Rolland-Thompson, Aaron Bauer
Keywords(s):  
Category(s): Optics, Research Tools
Optical Display Apparatus and Method for Head-Worn Displays
See-through optical display with freeform mirrors for compact, high-performance augmented reality applications Institute Reference: 2-11150-13008 Background Head-worn displays (HWDs) have become critical in augmented reality (AR) and virtual reality (VR) applications. These devices need to be compact and lightweight, with a minimal number of optical...
Published: 10/22/2024   |   Inventor(s): Jannick Rolland-Thompson, Aaron Bauer
Keywords(s):  
Category(s): Optics, Devices
Single-shot, Adaptive Metrology of Rotationally Variant Optical Surfaces Using a Spatial Light Modulator
Adaptive interferometric metrology for testing complex, rotationally variant optical surfaces like freeform mirrors Institute Reference: 2-18037 Background Traditional metrology techniques for optical surfaces such as spherical and flat optics typically use full-field interferometry, but they struggle to measure complex, rotationally variant surfaces...
Published: 10/21/2024   |   Inventor(s): Jannick Rolland-Thompson, Romita Chaudhuri
Keywords(s):  
Category(s): Optics, Research Tools
Compact Freeform Echelle Spectrometer
A compact echelle spectrometer using freeform optics for high-resolution, UV spectral imaging with minimized optical aberrations Institute Reference: 2-17028 Background Atomic spectroscopy relies on precise wavelength selection to determine the concentration of specific elements in a sample. Conventional spectrometers face trade-offs between high...
Published: 10/21/2024   |   Inventor(s): Jannick Rolland-Thompson, Aaron Bauer, Mahsa Farsad, Dennis Yates
Keywords(s):  
Category(s): Optics, Research Tools
Telecentric and Broadband Achromatic Objective Lens Systems
Achromatic lens systems with telecentric objectives enhance precision in optical coherence tomography for freeform surface metrology Institute Reference: 2-18091 Background Freeform optical components provide high performance but are challenging to measure with low uncertainty due to their complex shapes. Conventional metrology tools like Optical...
Published: 10/21/2024   |   Inventor(s): Jannick Rolland-Thompson, Di Xu, Romita Chaudhuri
Keywords(s):  
Category(s): Imaging, Optics, Devices
Optical design method and solutions of linear-in-k spectrometers exhibiting extremely low residual nonlinearity
Background A spectrometer is an optical instrument used to measure the intensity of light by wavelength, or wavenumber (k). A conventional spectrometer has intrinsic nonlinearity in k over the pixels due to the nonlinear angular dispersion in k corresponding to the grating or prism used. For spectrometers used in spectral domain optical coherence tomography...
Published: 5/7/2024   |   Inventor(s): Jannick Rolland-Thompson, Aaron Bauer, Changsik Yoon
Keywords(s):  
Category(s): Optics, Devices
Cascade Fourier Domain Optical Coherence Tomography
Advanced OCT system using cascaded interferometers for precise, non-contact measurement of complex freeform optical surfaces Institute Reference: 2-18049 Background High-precision optical metrology is essential for ensuring surface accuracy, particularly in advanced optics manufacturing, where tolerances can reach sub-nanometer scales. Modern optical...
Published: 10/21/2024   |   Inventor(s): Jannick Rolland-Thompson, Di Xu
Keywords(s):  
Category(s): Optics
Compact Imaging Spectrometer with Freeform Surfaces
Advanced imaging spectrometer using freeform optics for enhanced spectral performance, compact design, and low distortion imaging Institute Reference: 2-15140 Background Imaging spectrometers are essential for applications requiring high-resolution spectral analysis ranging from satellite imaging to food safety. Traditional spectrometers, such...
Published: 10/21/2024   |   Inventor(s): Jannick Rolland-Thompson, Jacob Reimers
Keywords(s):  
Category(s): Optics
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