50.0 MB (786.9 KB compressed)
3041 x 5746 pixels
25.7 x 48.8 cm ⏐ 10.1 x 19.2 in (300dpi)
GEORGY SHAFEEV / SCIENCE PHOTO LIBRARY GEORGY SHAFEEV / SCIENCE PHOTO LIBRARY
Total internal reflection of a laser beam. Green laser beam entering a test tube and undergoing total internal reflection (TIR). The light is totally reflected by the glass and is trapped inside the glass tube. This is the principle used in fibre optics to transmit data using beams of light.
Model release not required. Property release not required.