Rami Arieli: "The Laser Adventure" Chapter 6, Helium-Neon Lasers, page 5
Commercial He-Ne Lasers:
|
Wavelength: |
632.8 [nm] |
|
Output Power: |
0.5-50 [mW] |
|
Beam Diameter: |
0.5-2.0 [mm] |
|
Beam Divergence: |
0.5-3 [mRad] |
|
Coherence Length: |
0.1-2 [m] |
|
Power Stability: |
5 [%/Hr] |
|
Lifetime: |
>20,000 [Hours] |