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Journal Article

Measurement of a photoreceptor's characteristic waveguide parameter

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Kirschfeld,  K
Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Kirschfeld, K., & Snyder, A. (1976). Measurement of a photoreceptor's characteristic waveguide parameter. Vision Research, 16(7), 775-778. doi:10.1016/0042-6989(76)90188-7.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-F180-B
Abstract
A quantitative study of optical properties of a photoreceptor requires a knowledge of its characteristic waveguide parameter V. Previously, neither a direct measurement of V nor its accurate determination has been possible. We determine V in almost intact fly photoreceptors by measuring their birefringence. It is shown that the smaller fly photoreceptors have pronounced waveguide effects for wavelengths greater than 400 nm.