File:Starfire Optical Range - sodium laser.jpg
Original file (2,000 × 3,008 pixels, file size: 4.3 MB, MIME type: image/jpeg)
Captions
Summary edit
Original caption: "
"
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 edit
- Source: Directed Energy Directorate, US Air Force[1] archive copy at the Wayback Machine
Public domainPublic domainfalsefalse |
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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:32, 4 May 2006 | 2,000 × 3,008 (4.3 MB) | Fastfission~commonswiki (talk | contribs) | 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."'' ==License |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D70 |
Exposure time | 30/1 sec (30) |
F-number | f/4.5 |
ISO speed rating | 320 |
Date and time of data generation | 12:19, 27 October 2004 |
Lens focal length | 50 mm |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop CS Macintosh |
File change date and time | 10:37, 28 October 2004 |
Exposure Program | Manual |
APEX shutter speed | −4.906891 |
APEX aperture | 4.33985 |
APEX exposure bias | 1.67 |
Maximum land aperture | 4.3 APEX (f/4.44) |
Metering mode | Pattern |
Flash | Flash did not fire |
Color space | sRGB |
Focal length in 35 mm film | 75 mm |
Image width | 2,000 px |
Image height | 3,008 px |
Lens used | 18.0-70.0 mm f/3.5-4.5 |
Date and time of digitizing | 20:06, 27 October 2004 |
Date metadata was last modified | 04:37, 28 October 2004 |
IIM version | 2 |