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File:Starfire Optical Range - sodium laser.jpg

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Original file (2,000 × 3,008 pixels, file size: 4.3 MB, MIME type: image/jpeg)

Summary

Original caption: "

This sodium laser—being fired from the Starfire Optical Range on Kirtland Air Force Base, New Mexico—is used with deformable optics to help eliminate atmospheric distortions when gathering images of objects in space.

"

Though the caption states that this is a "sodium laser", this is actually misleading as the Starfire Optical Range LIDAR laser seen here is actually two solid state IR lasers, 1.064 and 1.319 microns, that are frequency summed in LBO within a doubly resonant cavity. The orange beam is observed due to the intense laser light scattering off particles in the air. In general, laser light travelling through a vacuum can not be seen unless aimed directly towards the observer.

Licensing

Public domain
This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain in the United States.

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exposure time

30 second

focal length

50 millimetre

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Date/TimeThumbnailDimensionsUserComment
current23:32, 4 May 2006Thumbnail for version as of 23:32, 4 May 20062,000 × 3,008 (4.3 MB)Fastfission~commonswikiOriginal caption: ''"This sodium laser—being fired from the Starfire Optical Range on Kirtland Air Force Base, New Mexico—is used with deformable optics to help eliminate atmospheric distortions when gathering images of objects in space."'' ==License

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