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Adler CL, Lock JA, Nash JK, et al. Experimental observation of rainbow scattering by a coated cylinder: twin primary rainbows and thin-film interference. Appl Opt. 2001;40(9):1548-58doi: 10.1364/ao.40.001548.
Adler, C. L., Lock, J. A., Nash, J. K., & Saunders, K. W. (2001). Experimental observation of rainbow scattering by a coated cylinder: twin primary rainbows and thin-film interference. Applied optics, 40(9), 1548-58. https://doi.org/10.1364/ao.40.001548
Adler, C L, et al. "Experimental observation of rainbow scattering by a coated cylinder: twin primary rainbows and thin-film interference." Applied optics vol. 40,9 (2001): 1548-58. doi: https://doi.org/10.1364/ao.40.001548
Adler CL, Lock JA, Nash JK, Saunders KW. Experimental observation of rainbow scattering by a coated cylinder: twin primary rainbows and thin-film interference. Appl Opt. 2001 Mar 20;40(9):1548-58. doi: 10.1364/ao.40.001548. PMID: 18357147.
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Appl Opt. 2001 Mar 20;40(9):1548-58. doi: 10.1364/ao.40.001548.

Experimental observation of rainbow scattering by a coated cylinder: twin primary rainbows and thin-film interference.

Applied optics

C L Adler, J A Lock, J K Nash, K W Saunders

Affiliations

  1. Department of Physics, St. Mary's College of Maryland, St. Mary's City, Maryland 20686, USA. [email protected]

PMID: 18357147 DOI: 10.1364/ao.40.001548

Abstract

We experimentally examine the primary rainbow created by the illumination of a coated cylinder. We present a simple technique for varying the coating thickness over a wide range of values, and we see evidence for two different scattering regimes. In one, where the coating thickness is large, twin rainbows are produced. In the second, where the coating is thin enough to act as a thin film, a single rainbow is produced whose intensity varies periodically as the coating thickness varies. We find good agreement with previous theoretical predictions.

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