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Intro to Welding Automation
Intro to Laser Welding & Cutting
11
Engineering
Undergraduate 2
03/11/2011
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Term
LASER
 Definition
Light Amplified by Stimulated Emission of Radiation
Term
Coherent Light
 Definition
radially parallel
Term
Monochromatic
 Definition
Single wave length
Term
CO2 Laser, far infrared, wavelength
 Definition
10600 nanometers (.0106mm)
Term
4 Laser Thermal Phases
 Definition
1) Light
2) Melting
3) Vaporization
4) Plasma Production
Term
2 wave types
 Definition
1) Constant wave
2) Pulse wave
Term
Radiant Energy
 Definition
Q = W * T (Joules)
Term
Radiant Power
 Definition
W = Q / T (Watts)
Term
Irriadiance
 Definition
E = W / A (Watts per cm2)
Term
Radiant Exposure
 Definition
H = Q / A (Joules per cm2)
Term
FSD =
 Definition

2.44 * L * F (2 * M + 1)

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