scholarly journals Full-field spatially incoherent illumination interferometry: a spatial resolution almost insensitive to aberrations

2016 ◽  
Vol 41 (17) ◽  
pp. 3920 ◽  
Author(s):  
Peng Xiao ◽  
Mathias Fink ◽  
A. Claude Boccara
Keyword(s):  
Spatial Resolution ◽  
Full Field

scholarly journals Raman and Infrared Thermometry for Microsystems

2013 ◽  
Vol 5 (3) ◽  
Author(s):  
Leslie M. Phinney ◽  
Wei-Yang Lu ◽  
Justin R. Serrano
Keyword(s):  
Data Collection ◽  
Spatial Resolution ◽  
Infrared Imaging ◽  
Silicon On Insulator ◽  
Pixel Size ◽  
Full Field ◽  
Infrared Thermometry ◽  
Full Field Measurement ◽  
Typical Data ◽  
Field Temperature

This paper reports and compares Raman and infrared thermometry measurements along the legs and on the shuttle of a SOI (silicon on insulator) bent-beam thermal microactuator. Raman thermometry offers micron spatial resolution and measurement uncertainties of ±10 K. Typical data collection times are a minute per location leading to measurement times on the order of hours for a complete temperature profile. Infrared thermometry obtains a full-field measurement so the data collection time is on the order of a minute. The spatial resolution is determined by the pixel size, 25 μm by 25 μm for the system used, and infrared thermometry also has uncertainties of ±10 K after calibration with a nonpackaged sample. The Raman and infrared measured temperatures agreed both qualitatively and quantitatively. For example, when the thermal microactuator was operated at 7 V, the peak temperature on an interior leg is 437 K ± 10 K and 433 K ± 10 K from Raman and infrared thermometry, respectively. The two techniques are complementary for microsystems characterization when infrared imaging obtains a full-field temperature measurement and Raman thermometry interrogates regions for which higher spatial resolution is required.

High spatial resolution full-field microscopy using a desktop-size soft x-ray laser

2007 ◽  
Author(s):  
Courtney A. Brewer ◽  
Fernando Brizuela ◽  
Dale Martz ◽  
Georgiy Vaschenko ◽  
Mario C. Marconi ◽  
...  
Keyword(s):  
Spatial Resolution ◽  
High Spatial Resolution ◽  
Full Field ◽  
X Ray

scholarly journals Bioimaging Using Full Field and Contact EUV and SXR Microscopes with Nanometer Spatial Resolution

2017 ◽  
Vol 7 (6) ◽  
pp. 548 ◽  
Author(s):  
Przemysław Wachulak ◽  
Alfio Torrisi ◽  
Mesfin Ayele ◽  
Joanna Czwartos ◽  
Andrzej Bartnik ◽  
...  
Keyword(s):  
Spatial Resolution ◽  
Full Field

Transmission Microscopic Moire´ Interferometry for Nanoscale Deformation Measurements

2003 ◽  
Author(s):  
C. W. Han ◽  
S. Cho ◽  
B. Han
Keyword(s):  
Spatial Resolution ◽  
Optical Method ◽  
Moiré Interferometry ◽  
Field Of View ◽  
Moire Interferometry ◽  
Small Field ◽  
Accurate Analysis ◽  
Full Field ◽  
Deformation Measurements ◽  
Small Field Of View

Moire´ interferometry is a full-field optical method that has high displacement, strain and spatial resolution. The method has been used extensively for deformation analyses in the various fields of mechanics. Special considerations arise when deformation measurements of tiny specimens or tiny regions of larger specimens are sought. The relative displacements within a small field of view will be small (even if the strains are not small), so the number of morie´ fringes might not be enough for an accurate analysis.

scholarly journals Tabletop EUV Coherent Diffractive Imaging and Small Angle Scattering of Colloidal Crystals

2019 ◽  
Vol 205 ◽  
pp. 05015
Author(s):  
Mancini Giulia F. ◽  
Robert Karl ◽  
Shanblatt Elisabeth ◽  
Bevis Charles ◽  
Gardner Dennis ◽  
...  
Keyword(s):  
Spatial Resolution ◽  
Small Angle ◽  
Colloidal Crystals ◽  
Bragg Scattering ◽  
Diffractive Imaging ◽  
Full Field ◽  
Extended Structure ◽  
Coherent Diffractive Imaging ◽  
High Harmonics ◽  
Angle Scattering

We demonstrate full-field quantitative ptychographic imaging using tabletop high harmonics to visualize the extended structure of silica close-packed nanosphere multilayers with <20nm spatial resolution, and also extract small-angle EUV Bragg scattering order/disorder correlations.

scholarly journals The Nanodiffraction beamline ID01/ESRF: a microscope for imaging strain and structure

2019 ◽  
Vol 26 (2) ◽  
pp. 571-584 ◽  
Author(s):  
Steven J. Leake ◽  
Gilbert A. Chahine ◽  
Hamid Djazouli ◽  
Tao Zhou ◽  
Carsten Richter ◽  
...  
Keyword(s):  
Spatial Resolution ◽  
Imaging Techniques ◽  
Bragg Diffraction ◽  
Scanning Probe ◽  
Objective Lens ◽  
Full Field ◽  
User Community ◽  
Coherent Diffraction Imaging ◽  
Diffraction Imaging ◽  
Focused Beams

The ID01 beamline has been built to combine Bragg diffraction with imaging techniques to produce a strain and mosaicity microscope for materials in their native or operando state. A scanning probe with nano-focused beams, objective-lens-based full-field microscopy and coherent diffraction imaging provide a suite of tools which deliver micrometre to few nanometre spatial resolution combined with 10−5 strain and 10−3 tilt sensitivity. A detailed description of the beamline from source to sample is provided and serves as a reference for the user community. The anticipated impact of the impending upgrade to the ESRF – Extremely Brilliant Source is also discussed.

Interior tomography in microscopic CT with image reconstruction constrained by full field of view scan at low spatial resolution

2018 ◽  
Vol 63 (7) ◽  
pp. 075006 ◽  
Author(s):  
Shouhua Luo ◽  
Tao Shen ◽  
Yi Sun ◽  
Jing Li ◽  
Guang Li ◽  
...  
Keyword(s):  
Image Reconstruction ◽  
Spatial Resolution ◽  
Field Of View ◽  
Full Field

scholarly journals Numerical Simulation of a Scanning Illumination System for Deep Tissue Fluorescence Imaging

2019 ◽  
Vol 5 (11) ◽  
pp. 83
Author(s):  
Qimei Zhang ◽  
Anna M. Grabowska ◽  
Philip A. Clarke ◽  
Stephen P. Morgan
Keyword(s):  
Fluorescence Imaging ◽  
Spatial Resolution ◽  
Near Infrared ◽  
Scanning System ◽  
Deep Tissue ◽  
Full Field ◽  
Infrared Wavelength ◽  
Tissue Optical Properties ◽  
Illumination System ◽  
Tissue Fluorescence

The spatial resolution and light detected in fluorescence imaging for small animals are limited by light scattering, absorption and autofluorescence. To address this, novel near-infrared fluorescent contrast agents and imaging configurations have been investigated. In this paper, the influence of the light wavelength and imaging configurations (full-field illumination system and scanning system) on fluorescence imaging are compared quantitatively. The surface radiance for both systems is calculated by modifying the simulation tool Near-Infrared Fluorescence and Spectral Tomography. Fluorescent targets are embedded within a scattering medium at different positions. The surface radiance and spatial resolution are obtained for emission wavelengths between 620 nm and 1000 nm. It was found that the spatial resolution of the scanning system is independent of the tissue optical properties, whereas for full-field illumination, the spatial resolution degrades at longer wavelength. The full width at half maximum obtained by the scanning system is 25% lower than that obtained by the full-field illumination system when the targets are located in the middle of the phantom. The results indicate that although imaging at near-infrared wavelength can achieve a higher surface radiance, it may produce worse spatial resolution.

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