Abstract
Interference of the 11th- and higher-order rainbows formed by a pendant water drop was studied by use of laser beams of wavelengths 632.8 and 532 nm. Time variations of the corresponding glare-point intensity, due to vibration of the droplet, are in agreement with results of a simple model calculation. Our results are compared with the “non-Debye enhancement” of the 11th-order rainbow reported by Lock and Woodruff.
© 2003 Optical Society of America
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