What is a Laser?

¿Qué es un láser?

 

HOW DO LASERS WORK AND WHAT MAKES LASER LIGHT DIFFERENT FROM THE LIGHT FROM A FLASHLIGHT? AND WHY IS LASER NEVER SPELLED WITH A “Z”?


MATERIALS (Details in Teacher Notes linked below)


Activity 1 – Flashlight and Laser Beams

  1. Laser pointer

  2. Flashlight

  3. Meter stick

  4. Ruler 

Activity 2 – Flashlight and Laser Colors

  1. Laser pointer

  2. Flashlight

  3. Recordable CD or purchased diffraction grating

Activity 3 – Blobs and Speckle

  1. Laser pointer

  2. Flashlight

  3. Piece of waxed paper 

STUDENT INSTRUCTIONS AND TEACHER NOTES 

PowerPoint slides with student instructions   What_is_a_Laser_Slides.pptx.zip


Presentaciones de PowerPoint con instrucciones para estudiantes  Qué es un láser.pptx.zip


Teacher Background Notes What_is_a_Laser_Teacher_Notes.pdf


Handout for recording observations and data What_is_a_Laser_Observations.pdf


Video showing the activities of this lessonExploring Laser Light