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Knowledge Center/ Technical Frequently Asked Questions/ Optics Frequently Asked Questions/ Laser Optics/ What optical materials are compatible with 2µm lasers?

What optical materials are compatible with 2µm lasers?

Some of the most common materials for use in the 2µm spectral region are fused silica, zinc selenide, calcium fluoride (CaF2), germanium, and sapphire. More information about compatible optical materials and their properties can be found at our Characteristics of 2µm Lasers application note.

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