NASA resource explores what a laser is as well as how it works. Animations are provided that offer excellent examples of how different light travels.

Learn about absorption and emission by creating a laser. Pump the chamber with a photon beam, and manipulate the energy states of the laser's atoms to control its output.

Create a laser by pumping the chamber with a photon beam. Manage the energy states of the laser's atoms to control its output.

Kansas State University site explaining all aspects of LASERS. The site is set up as an online book with clickable chapters.

Students research particular types of lasers and find examples of how they are used in technology today. Teams present their findings by means of PowerPoint presentations, videos or brochures. The class takes notes on the presentations...

Through two classroom demos, students are introduced to the basic properties of lasers through various mediums. In the Making an Electric Pickle demonstration, students see how cellular tissue is able to conduct electricity, and how this...

This is a site which explains the inner workings of Lasers. The site is detailed in its explanations but is easily understood at the junior and senior high school level.

If you want to know how atoms and photons work together to make lasers this site has great explanations. There are interactive applets to help you really understand the concepts!

Basic information explaining what laser lights are.

X-ray lasers are produced by electron beams and are extremely intense,. They have important applications in particle physics. "Explain It In 60 Seconds" is an article series that aims to summarize in a few paragraphs the meaning of...

Flip over this interactive OLogy card to find fast facts, questions and answers, and similar bite-size pieces of information about the properties and uses of lasers.

Information is provided about laser surgery, which is used to correct vision problems and eliminate the need for glasses or contacts.

A video lecture series illustrating the fundamentals of laseroptics. Topics include the physical interpretation of laser and fiberoptic phenomena and their applications.

Learners investigate lasers and fiber optics in the 20th century. Some topics explored are working lasers, optical fiber, and the gossamer web. The resource includes historical information, a timeline, and a personal essay by a key...

Students estimate the storage capacity of CDs and DVDs by assessing diffraction patterns of green and red laser beams.

In a hands-on way, students explore light's properties of absorption, reflection, transmission and refraction through various experimental stations within the classroom. To understand absorption, reflection and transmission, they shine...

[Free Registration/Login Required] In this flipchart, students will learn about laser printers. Students will demonstrate knowledge of the hardware components associated with information systems.

An exploration of four defining scientific inventions/discoveries of recent history: plastic, laser technology, electricity, and bar codes. The history and development of these technologies, along with examples of their application and...

Read this passage and study the graphics to answer the five-question quiz concerning structure, growth, physiology, and genetics of prokaryotes and viruses.

Students apply everything they have learned about light properties and laser technologies to designing, constructing and presenting laser-based security systems that protect the school's mummified troll. In the associated activity,...

Students use simple household materials, such as PVC piping and compact mirrors, to construct models of laser-based security systems. The protected object (a "mummified troll" or another treasure of your choosing) is placed "on display"...

Learners are introduced to the (hypothetical) task of developing an invisible (non-intrusive) security system to protect the school's treasured mummified troll! Solving the challenge depends on an understanding of the properties of...

This photo shows a laser pointer in action in two different lighting conditions. The lighting in the top image is much brighter than in the bottom image but the laser pointer is effective in both.

This photo shows an interesting image of an interference laser.