The 40 W Diode Pumped 2.94 µm Er:YAG Laser from 3µm Laser Technology is a Diode Pumped Er:YAG Laser that operates at a wavelength of 2.94 μm. It delivers an average power of 40 W and has a peak power of 4 kW. This pulsed laser has a beam quality factor of 25 and an output energy of 400 mJ ( at 100 μs, 100 Hz). It has a spatial profile close to a top-hat distribution and is available in a module that measures 12" (L) × 4" (W) × 3" (H). This laser is ideal for harsh environments and imaging applications.