File:Off-axis focusing.png

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Original file ‎(923 × 331 pixels, file size: 36 KB, MIME type: image/png)

Captions

Captions

An arc shape is projected naturally from a point source.

Summary

[edit]
Description
English: Left: Collimation of light from two point sources into two directions, within the plane of incidence.[1] Right: Outside the plane of incidence, the light from two different points projects into two directions within an arc shape (dashed curve), as long as the mirror is curved to focus the light, e.g., onto projection optics or the object plane.[2] The arc presents a range of azimuthal illumination angles (for each point) in the plane of the illuminated object.
Date
Source Own work
Author Guiding light

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
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References

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  1. ↑ P. Arguijo and M. S. Scholl, Appl. Opt 42, 3284 (2003).
  2. ↑ US Patent 6398374, Condenser for ring-field deep-ultraviolet and extreme-ultraviolet lithography.

File history

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Date/TimeThumbnailDimensionsUserComment
current13:54, 27 August 2019Thumbnail for version as of 13:54, 27 August 2019923 × 331 (36 KB)Guiding light (talk | contribs)line color cleanup
01:59, 27 August 2019Thumbnail for version as of 01:59, 27 August 2019616 × 296 (39 KB)Guiding light (talk | contribs)one line color correction
01:57, 27 August 2019Thumbnail for version as of 01:57, 27 August 2019616 × 296 (39 KB)Guiding light (talk | contribs)one line miscolored
21:30, 26 August 2019Thumbnail for version as of 21:30, 26 August 2019923 × 331 (36 KB)Guiding light (talk | contribs)recolored arrows in right figure
13:57, 26 August 2019Thumbnail for version as of 13:57, 26 August 2019923 × 331 (36 KB)Guiding light (talk | contribs)minor adjustment
13:48, 26 August 2019Thumbnail for version as of 13:48, 26 August 2019890 × 377 (36 KB)Guiding light (talk | contribs)Added second focusing point for right figure
11:39, 25 August 2019Thumbnail for version as of 11:39, 25 August 2019890 × 377 (32 KB)Guiding light (talk | contribs)added second point for left figure
01:35, 25 August 2019Thumbnail for version as of 01:35, 25 August 2019888 × 377 (19 KB)Guiding light (talk | contribs)show focusing in right figure; more rays in left figure
01:03, 25 August 2019Thumbnail for version as of 01:03, 25 August 2019888 × 377 (14 KB)Guiding light (talk | contribs)arrow length uniformity
00:53, 25 August 2019Thumbnail for version as of 00:53, 25 August 2019888 × 377 (14 KB)Guiding light (talk | contribs)New images
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