Laser course Exam 2025 Questions and Answers 100% Pass

Laser course Exam 2025 Questions
and Answers 100% Pass


Laser - ✔✔light amplification by stimulated emission of radiation

T.H. Maiman - ✔✔Produced first ruby laser

Spontaneous emission - ✔✔Emission that happens on its own

Stimulated emission - ✔✔Emission that we make happen

Invisible

Color is added so we can see it - ✔✔What color is laser light?

Coherent

Monochromatic

Collimation - ✔✔What are the three c's

Collimated - ✔✔Refers to the parallel nature of the beam

Monochromatic - ✔✔Refers to the single (wavelength) color of the laser beam

coherent - ✔✔Refers to the synchronized phase of the light waves

Wavelength and frequency - ✔✔_________ and ________ are inversely proportional

Joule - ✔✔Unit of energy, ability to do work



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, Watt - ✔✔Unit of power, rate of doing work

One watt - ✔✔Number of pulses per second laser energy (Hz)

Pulse width - ✔✔The emission time of a single pulse

Frequency - ✔✔Number of complete oscillations per unit time

Near infrared, soft tissue - ✔✔AIGaAS

810nm

Near infrared. Soft tissue - ✔✔Nd:YAG

1064nm

Near infrared. Soft tissue - ✔✔InGaAs

940nm

980nm

1064nm

Mid infrared. Hard tissue - ✔✔Er,Cr:YSGG

2790nm

Mid Infrared. Hard tissue - ✔✔ER:YAG

2940nm

Far Infrared, Soft tissue - ✔✔CO2

10,600nm

9600nm

9300nm



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