2 µm Laser Sources and Their Possible Applications

By K. Scholle, S. Lamrini, P. Koopmann, P. Fuhrberg. 2010

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The wavelength range around 2 μm which is covered by the laser systems described in this chapter is part of the so called “eye safe” wavelength region which begins at about 1.4 μm. Laser systems that operate in this region offer exceptional advantages for free space applications compared to conventional systems that operate at shorter wavelengths. This gives them a great market potential for the use in LIDAR and gas sensing systems and for direct optical communication applications. The favourable absorption in water makes such lasers also very useful for medical applications. As it can be seen in figure 1, there is a strong absorption peak near 2 μm which reduces the penetration depth of this wavelength in tissue to a few hundred μm.

Subfields: Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/9ddc03596a537bbd02c8e99b6e2beccb64b12784

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Citations in the corpus

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