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The best-known and most widely used He-Ne laser operates at a center wavelength of 632.81646 nm (in air), 632.99138 nm (vac), and frequency 473.6122 THz, [1] in the red part of the visible spectrum. Because of the mode structure of the laser cavity, the instantaneous output of a laser can be shifted by up to 500 MHz in either direction from the ...
416 nm, 530.9 nm, 568.2 nm, 647.1 nm, 676.4 nm, 752.5 nm, 799.3 nm Electrical discharge Scientific research, mixed with argon to create "white-light" lasers, light shows. Xenon ion laser: Many lines throughout visible spectrum extending into the UV and IR: Electrical discharge Scientific research. Nitrogen laser: 337.1 nm Electrical discharge
Depending on the colors used, consider one of six pairs: (29,44) (25,58) (22,60) (21,45) (15,49) (8,50) Microscopy [8]: 53–59 A 25 Used singly or paired with D to approximate monochromatic light with 670 nm. B2 58 Used singly or paired with H, G, or E to approximate monochromatic light with 510, 540, or 575 nm, respectively. C5 47
"After the color image is established, the black silver-based image is dissolved away, leaving the color behind." #28 The Cathedral, Amsterdam, Holland Image credits: Detroit Photograph Company
The colors result from varying amounts of infrared passing through the color filters on the photo sites, further amended by the Bayer filtering. While this makes such images unsuitable for the kind of applications for which the film was used, such as remote sensing of plant health, the resulting color tonality has proved popular artistically.
A rainbow is a decomposition of white light into all of the spectral colors. Laser beams are monochromatic light, thereby exhibiting spectral colors. A spectral color is a color that is evoked by monochromatic light, i.e. either a spectral line with a single wavelength or frequency of light in the visible spectrum, or a relatively narrow spectral band (e.g. lasers).
A full spectrum photograph of an old homestead in Montana Full Spectrum Geo-Referenced Orthomosaic (RGB+NIR) obtained with an UAV. Full-spectrum photography is a subset of multispectral imaging, defined among photography enthusiasts as imaging with consumer cameras the full, broad spectrum of a film or camera sensor bandwidth.
The first color photograph made by the three-color method suggested by James Clerk Maxwell in 1855, taken in 1861 by Thomas Sutton. The subject is a colored ribbon, usually described as a tartan ribbon. Color photography (also spelled as colour photography in Commonwealth English) is photography that uses media capable of capturing and ...