• Vision WebQuests
• The Human Eye
• What is refraction?
• How Do Lenses Work?
• Mathematics of Lenses?
• How do you see?
• Refractive Problems of the Eye
• Eyeglasses
• Other vision correction options
• How do lasers work?
• How is LASIK done?
• GHS Physics Website
• GHS Home

How do LASERs work?

• What is a LASER?

• Review electron states; ground state and excited state.  

• How does and atom get excited?   How does it de-excite? 

• What does the acronym LASER stand for? 

• How is LASER light different from other light?

• How does the ruby LASER work?

• What types of LASERs are there?  

• What is an excimer laser? 

• Watch an interview with the inventor of the excimer laser.