The Fiberlens series of 1 μm collimating lenses, focusing lenses, and protective windows have uses with fiber, disk, and YAG lasers with powers up to 8 kW. Their fused silica substrates have absorption <50 ppm to avoid thermal lensing and focus shift. The lenses and windows have high laser-damage-threshold, long-lifetime coatings.Ophir Optics North Andover, MAwww.ophiroptics.com
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