scholarly journals Two-dimensional spatial image control using an electrochromic graduated filter with multiple electrode configuration

2020 ◽  
Vol 215 ◽  
pp. 110549
Author(s):  
Alexander Hein ◽  
Nikolas Longen ◽  
Carsten Kortz ◽  
Frederike Carl ◽  
Jonas Klein ◽  
...  
Keyword(s):  
Electrode Configuration ◽  
Two Dimensional ◽  
Spatial Image ◽  
Multiple Electrode

scholarly journals Fourier Analysis of Slow and Fast Image Propagation through Single and Coupled Image Resonators

2012 ◽  
Vol 2012 ◽  
pp. 1-9
Author(s):  
Parvin Sultana ◽  
Takahiro Matsumoto ◽  
Makoto Tomita
Keyword(s):  
Transfer Functions ◽  
Phase Transfer ◽  
Streak Camera ◽  
Fourier Method ◽  
Observation Time ◽  
Two Dimensional ◽  
Fourier Space ◽  
Time Resolved ◽  
Spatial Image ◽  
Comprehensive Study

We applied Fourier space analysis to a comprehensive study of the propagation of pulsed two-dimensional images through single and coupled image resonators. The Fourier method shows that the image can propagate through the resonator successfully as long as the spatial and temporal Fourier components of the image are within the bandwidth of the amplitude and phase transfer functions. The relevant steep dispersion of the cavity can yield delayed or advanced images. The Fourier method reproduces characteristic aspects of the experimental observations of the image propagation, and also predicts new aspects, such as the spatial image profile dependence on the observation time and the coupling strength. To demonstrate the time evolution of the experiment, space- and time-resolved image propagations were performed using a streak camera.

Two-dimensional spectral-spatial image of highly oriented pyrolytic graphite

2005 ◽  
Vol 28 (3-4) ◽  
pp. 343-353 ◽  
Author(s):  
M. P. Tseitlin ◽  
K. M. Salikhov ◽  
A. M. Ziatdinov
Keyword(s):  
Pyrolytic Graphite ◽  
Two Dimensional ◽  
Highly Oriented Pyrolytic Graphite ◽  
Spatial Image

Two-dimensional acoustic particle focusing enables sheathless chip Coulter counter with planar electrode configuration

Lab on a Chip ◽  
2014 ◽  
Vol 14 (24) ◽  
pp. 4629-4637 ◽  
Author(s):  
Carl Grenvall ◽  
Christian Antfolk ◽  
Christer Zoffmann Bisgaard ◽  
Thomas Laurell
Keyword(s):  
Coulter Counter ◽  
Electrode Configuration ◽  
Two Dimensional ◽  
Particle Focusing ◽  
Planar Electrode

We present how acoustic particle prefocusing enables sensitive erythrocyte size measurements in an easy-to-manufacture sheathless chip Coulter counter.

Spectrophotometric measurements of objective-prism spectra

1966 ◽  
Vol 24 ◽  
pp. 118-119
Author(s):  
Th. Schmidt-Kaler
Keyword(s):  
Progress Report ◽  
Two Dimensional ◽  
Objective Prism ◽  
Made In

I should like to give you a very condensed progress report on some spectrophotometric measurements of objective-prism spectra made in collaboration with H. Leicher at Bonn. The procedure used is almost completely automatic. The measurements are made with the help of a semi-automatic fully digitized registering microphotometer constructed by Hög-Hamburg. The reductions are carried out with the aid of a number of interconnected programmes written for the computer IBM 7090, beginning with the output of the photometer in the form of punched cards and ending with the printing-out of the final two-dimensional classifications.

Introductory paper

1966 ◽  
Vol 24 ◽  
pp. 3-5
Author(s):  
W. W. Morgan
Keyword(s):  
Line Intensity ◽  
Classification Scheme ◽  
Two Dimensional ◽  
Spectral Classification ◽  
Dimensional Array ◽  
Rr Lyrae ◽  
Metallic Line ◽  
Introductory Paper ◽  
Parameter Varying ◽  
Definition Of

1. The definition of “normal” stars in spectral classification changes with time; at the time of the publication of theYerkes Spectral Atlasthe term “normal” was applied to stars whose spectra could be fitted smoothly into a two-dimensional array. Thus, at that time, weak-lined spectra (RR Lyrae and HD 140283) would have been considered peculiar. At the present time we would tend to classify such spectra as “normal”—in a more complicated classification scheme which would have a parameter varying with metallic-line intensity within a specific spectral subdivision.

A one-dimensional self-gravitating stellar gas

1966 ◽  
Vol 25 ◽  
pp. 46-48 ◽  
Author(s):  
M. Lecar
Keyword(s):  
Gravitational Field ◽  
Phase Space ◽  
Motion Picture ◽  
Space Distribution ◽  
Two Dimensional ◽  
One Dimensional ◽  
Phase Space Distribution ◽  
Dimensional Phase Space ◽  
The Mean

“Dynamical mixing”, i.e. relaxation of a stellar phase space distribution through interaction with the mean gravitational field, is numerically investigated for a one-dimensional self-gravitating stellar gas. Qualitative results are presented in the form of a motion picture of the flow of phase points (representing homogeneous slabs of stars) in two-dimensional phase space.

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