eLas Outreach Theme Packets

What is the difference between regular white light and laser light?


Use the LED Flashlight / Laser in your theme packet with the diffraction grating and polarizer to begin your discovery journey.


          Click on the underlined words and phrases below to find out more about each item:

eLas Flash light / Laser combo

Linear Diffraction Grating -        Quantify the Colors by calibration.

Use Spectroscopy to learn more.

These Cholesteric liquid crystal sheets are no longer available.

They were part of the OISC's Optricks & OptoBotics Theme Packets for many years.  Please enjoy the information here.  

For a deeper dive into the physics of light.... go to:
Download a pdf version of presentation:
Laser Light at the End of the Tunnel: Education & Careers in Lasers, Optics & Photonics
and a pdf version of a flyer to advertise for giving a presentation to high school or college students.
Recorded version of the above presentation is provided here in three parts.
Part 2 - Light, Polarization, Rainbows & Spectrums
Part 2 - Light, Polarization, Rainbows & Spectrums
Part 3 - Lasers, Education & Careers
Part 3 - Lasers, Education & Careers
Part 1- Overview, Introduction & Mentors
Part 1 - Overview, Introduction & Mentors
For Teachers & others -
Purchase qty 100 - $350 + Shipping 
Each Theme Packet Includes one each:
LED Flashlight / Laser, Diffraction Grating & Polarizer.
Contact Donn Silberman at:
donn@e-las.net  949-636-6170 

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