Describes an apparatus which demonstrates the operation of the human eye. (SL)

Derives relations between several different descriptions of optical polarization by analogy to the theory of spin one-half. (Author/SL)

Presents activities and experiments that can be performed with mirrors to illustrate the nature and behavior of light. Includes diagrams, directives and investigative questions. (ML)

Describes a soap film demonstration apparatus. Presents information on the construction of the apparatus and methods for thin-film demonstrations. (YP)

Describes experiments used during recent history to explain the nature of the quantum world. Explains the essential elements of experiments using polarized light and magnetic flux. Illustrates differences between classical theories in physics and quantum theory. Shows how experiments in the microscopic and macroscopic world appear to support…

Describes a solid etalon Fabry-Perot interferometer, discussing free spectral range, instrumental finesse, and temperature effects. Provides schematic of temperature control/display circuit. Explains use of 100 millimeter camera lens and 10 power micrometer eyepiece for resolving rings and measure diameters. (JM)

Describes (1) computer graphics for the coefficient of restitution; (2) an experiment on the optical processing of images; and (3) a simple, coherent optical system for character recognition using Polaroid (Type 665) negative film. (JN)

Presents several optical illusions which can be used to demonstrate the principles of geometrical optics. Procedures needed to accomplish the demonstrations are included. (JN)

Describes the measurement of refractive index of laser light using a glass plate, prism, and a ruler. Discusses the application of Snell's law to the activity. (JM)

Examines techniques used to make ultrasensitive spectroscopic measurements. They include excitation, thermal lens, photo acoustic, and ionization spectroscopies. Guidelines and methods are provided for each technique; common uses and applications are explained. (DH)

Describes the nature of gradient refractive index (GRIN) lenses, focusing on refraction in these materials, focal length of a thin Wood lens, and on manufacturing of such lenses. Indicates that GRIN lenses of small cross section are in limited production with applications suggested for optical communication and photocopying fields. (JN)

Presented is information to supplement elementary physics texts so that teachers may expand the presentation of classical optics to include some basic concepts related to photographic systems. (SL)

Discusses the use of a set of experiments to provide undergraduate electrical engineering students with a knowledge of the state of the art in modern coherent optics from an engineering standpoint. (CC)