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View Resource Spectra from Space

This site from the Exploratorium provides information on telescopes and observatories such as the Hubble Space Telescope that are being used to study spectra from space. Gamma-ray, x-ray, ultraviolet, and infrared spectra are all examined. The purpose and discoveries made by each observatory are included along with related hands-on activities like a liquid crystal IR detector activity.

View Resource How to Build a Spectroscope

This site from the Exploratorium provides instructions to make a spectroscope from a shoebox and a diffraction grating. Such a spectroscope is used to show that a white light is really made up of the combination of colors called a spectrum. The site contains photographs and step-by-step instructions to easily build the instrument.

View Resource Infrared Detector Spectroscopy

This resource, part of the Spectroscopy Lab Suite, simulates optical transitions in a pumped infrared detector. In this simulated experiment, impurity states are initially populated with visible light. Infrared radiation can then then be detected by de-populating the impurity levels, causing the material to glow. The energy levels and transitions in this material detector can be changed.

View Resource What is Ultraviolet Light?

Explores ultraviolet light -- what it is, where it comes from, how we can detect it, and what effects it has upon us and our Earth. Using (inexpensive to order) UV sensitive beads, the students test the beads with various levels of sunscreen protection, as well as the quality of UV protecting sunglasses. Surprises await when using the beads on cloudy days.

View Resource Pump-Probe Spectroscopy of Rubidium Vapour

David Smith and Ifan Hughes of Durham University Department of Physics share on this site their research into non-linear spectroscopy and rubidium vapor. Using handy illustrations, Smith and Hughes document the theory, experimentation, and conclusions of this research.

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