Optics

Geometrical Optics

Speed of Light

Reflection from Flat Surfaces

6A01.05 Speed of a Pulse in a Coaxial Cable

To measure the speed of an electromagnetic wave pulse in a coaxial cable.

6A01.10 Speed of Light

To measure the speed of light.


6A10.10 Reflection from a Flat Mirror

To show that the angle of incidence is equal to the angle of reflection for a flat mirror.

6A10.23 Effects of Diffuse Reflection

To show the combined effects of refraction and diffuse reflection.

Reflection from Curved Surfaces

6A10.60 Location of Image in a Plane Mirror

To show the location and orientation of the image of an object in a plane mirror.

6A20.10 Reflection from a Curved Mirror

To show that a curved mirror can cause light rays to converge or diverge.

6A20.11 Image Formation in a Concave and Convex Mirror

To compare the images produced by concave and convex mirrors.

6A20.30 Lamp in Socket

To demonstrate an optical illusion with the real image of a concave mirror.

Refractive Index

Refraction at Flat Surfaces

Total Internal Reflection

6A20.35 Optic Mirage

To show a pair of concave mirrors can be used to produce an image which appears to levitate.

6A40.20 Schlieren Imaging

To demonstrate the index of refraction of air depends on its temperature.

6A42.10 Refraction Block

To show refraction.

6A44.10 Total Internal Reflection

To show total internal reflection and the critical angle.

6A44.20 Refraction Tank

To show refraction, reflection, and total internal reflection.

6A44.40 Light Pipes

To demonstrate the transmission of laser light achieved by a fiber optic cable.

6A44.44 Refraction Water Tank

To show how total internal reflection allows a fiber optic cable to transport light.

6A44.45 Laser Waterfall

To demonstrate the total internal reflection of a laser beam in a stream of water.

Thin Lens

Optical Instruments

6A60.10 Curved Lenses

To demonstrate concave and convex lenses.

6A60.30 Real Image Formation

To show the formation of a real image from a convex lens.

6A70.10 Microscope

To show how a microscope magnifies an image.

6A70.20 Refracting Telescope

To demonstrate a refracting telescope.

Photometry

Luminosity

Blackbodies

6B10.10 Inverse Square Law

To show that light intensity decreases with the square of distance.

6B40.10 Blackbody Peak Shift

To demonstrate the peak shift of the spectrum of light emitted by a blackbody as the power to the blackbody is increased.



6B40.11 Light bulb on a Variac

To demonstrate the change in the color of the light emitted by a filament as its temperature increases.

6B40.12 Blackbody Spectrum with Spectrometer

To show a blackbody emission spectrum with a spectrometer.

6B40.20 Bischel Boxes

To show the radiation emitted by a black body depends only on its temperature.

Diffraction

Diffraction Through One Slit

Diffraction Around Objects

6C10.10 Single Slit Diffraction

To show single slit diffraction.

6C10.61 Diffraction Limited Resolution

To show the limit of resolution due to diffraction.

6C20.10 Poisson's Spot

To demonstrate diffraction of light by a small sphere.

Interference

Interference from Two Sources

Gratings

Thin Films

6D10.10 Laser Double Slit

To demonstrate single slit diffraction and multiple slit interference.

6D20.10 Number of Slits

To show the change in the interference pattern as the number of slits increases.

6D30.10 Newton's Rings

To show diffraction of light by a thin glass disk.



6D30.22 Soap Film Interference

To demonstration interference by a thin soap film.

Interferometers

6D40.10 Michelson-Morley Experiment

To show there is no ether permeating space which transports light.

Color

Synthesis and Analysis of Color

Dispersion

6F10.10 Color Mixing

To show the result of mixing different combinations of red, blue and green light.

6F10.30 Recombining the Spectrum

To show a prism can be used to separate or to recombine the component wavelengths of white light.

6F10.40 Absorption and Transmission of Light

To show absorption and transmission of light.

6F30.10 Projected Spectrum of White Light Dispersion

To show that white light is dispersed by a prism.

Scattering

6F40.10 Rayleigh Scattering

To show the wavelength dependence of Rayleigh scattering.

Polarization

Dichroic Polarization

Polarization By Reflection

6H10.10 Cross Polarizers

To demonstrate the polarization of light.

6H10.12 Three Polarizers

To demonstrate the effect of inserting a third polarizer between two crossed polarizers.

6H20.10 Brewster Angle

To show that a light ray reflected off the surface of water is maximally polarized at the Brewster angle.

The Eye

The Eye

6J10.10 Eye Model

To demonstrate the mechanism the human eye uses to focus incoming light onto the retina as well as the function of corrective lenses.