Lasers

Question 1

Process in which an electron releases a photons energy

Answer 1

Spontaneous Emission

Question 2

Occurrence when an excited electron is struck by a photon and immediately emits two photons

Answer 2

Stimulated emission

Question 3

Device that harnesses Stimulated emission and emits a light that consists of a single frequency

Answer 3

Laser

Question 4

Man who invented the first laser

Answer 4

Theodore H. Maiman

Question 5

A laser light characteristic that has a single frequency laser light

Answer 5

MONOchromatic

Question 6

A laser light characteristic that has several waves that all phase and move in the same direction, interfering constructively and is able to effect matter

Answer 6

Coherent

Question 7

The third characteristic of laser light

Answer 7

Extremely intense

Question 8

Type of laser that has atoms pumped to excited states by a flash bulb

Answer 8

Optically pumped laser

Question 9

Electrically pumped laser that has a brilliant red light

Answer 9

Helium neon laser

Question 10

Intense green laser used for medical purposes

Answer 10

Argon laser

Question 11

A powerful infrared beam used in industry work

Answer 11

Carbon dioxide laser

Question 12

Tiny “laser on a chip” used for comms

Answer 12

Gallium arsenide laser

Question 13

Use of laser beams to transmit signals through optical fibers (narrow glass cables)

Answer 13

Fiber optics

Question 14

3d image produced by laser light

Answer 14

Hologram

Question 15

Name the 7 parts of the electromagnetic spectrum

Answer 15

Radio waves, microwaves, infrared waves, visible light, UV waves, X-rays, Gamma rays