A triangular glass block has an index of refraction of 1.5. A red laser pointer enters the glass perpendicular to side A. Calculate the transmission angle as the light exits side C.
UK: Firm developing active optics to block laser light, for use in glasses and visors | Laser Pointer Safety - Statistics, laws, and general laser pointer news
How Laser Shows Work - Introduction - www.LaserFX.com
Laser Engraved Light Block – Mingo Moon Designs
Amazon.com: ABSORBER UV and Red Laser Safety Glasses for Typical 405nm, 445nm, 650nm and Infrared Laser Light for Hair Removal Eye Protection with Adjustable Frame Temple (Green) : Tools & Home Improvement