Diode Laser Absorption

Ref: E. Schubert et al., "new Possibilities for Joining by Using Power Diode lasers", LAI Proceedings ICALEO' 98, VOL 85 • Click Photo for Larger View

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Some Typical Industrial Laser Efficiencies
Type	Wavelength	Wall Plug Efficiency % laser only	System Efficiency % Chiller and power supplies included
CO2-Flowing Gas	10.6 µm	12	6
Nd:YAG	1.06 µm	1-2	0.5
Diode Pumped Nd:YAG	1.06µm	8-12	4-6
Direct Diode	0.8 µm	50-60	25-30

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Ideal Uses for direct diode semi conductor laser system

*Heat treatment includes Annealing, Hardening, Tempering, and Stress Relieving