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Diffraction of light beam from sand in beam causing loss of image clarity. Larry A. Donoso
01 Jan 2009
The shadow of Mr. Moose and vegetation is reflected onto water. There is also a wave form in the water. Larry A. Donoso
Power distribution of a donut-shaped laser beam with higher-order modes; 3D overlaid 2D image. Gary Wagner
Two laser pointers (red and green) are incident on a crystal champagne flute. No moving parts, just reflection & refraction! Aongus McCarthy
Mosaic of images of a CD case insert, placed in front of a flat-screen monitor and photographed using a polarizer. Aongus McCarthy
Clamped photoelastic material, placed in front of a flat-screen monitor and photographed using a polarizer. Aongus McCarthy
Brilliant reflection of the sun in a hanging water drop with "diffraction star" arising from small camera aperture. Joseph A. Shaw
"Optical lollipop." Lunar corona in nearly subvisual wave cloud being probed by laser beam. Joseph A. Shaw
Lunar corona in wave cloud being probed by laser beam. Joseph A. Shaw
A lamp was fixed to the wheel axle and rotated at a distance of twice the radius (shown in lower right corner). When capturing this movement (exposure time, 15s), the white trace emerged: a cycloid. Dan Curticapean