Development of an eye-safe solid-state tunable laser transmitter in the 1:4-1:5μm wavelength region based on Cr⁴⁺:YAG crystal for lidar applications

An experimental optimization of the efficiency of a gain switched tunable Cr⁴⁺:YAG laser at 10 Hz is described. The thermal lensing during pulsed operation was measured. Optimal performance occurred at a crystal temperature of 34 °C and resulted in an output energy of ~7 mJ and a pulse duration of ~35 ns. Tunability in the range of 1350-1500 nm, spectral linewidth of ~200 GHz, and M2<4 are demonstrated. The main laser material parameters are estimated. Such a laser could be employed in a laboratory-based nonscanning lidar system if a narrowband birefringent filter is installed. The tunability will permit the improvement of the Cr⁴⁺:YAG transmitter for water-vapor differential absorption lidar if injection seeding is applied.

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Copyright 2008 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?uri=ao-47-10-1522 Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Author Petrova-Mayor, A.
Wulfmeyer, V.
Weibring, Petter
Publisher UCAR/NCAR - Library
Publication Date 2008-03-28T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2025-07-17T15:59:04.717487
Metadata Record Identifier edu.ucar.opensky::articles:6367
Metadata Language eng; USA
Suggested Citation Petrova-Mayor, A., Wulfmeyer, V., Weibring, Petter. (2008). Development of an eye-safe solid-state tunable laser transmitter in the 1:4-1:5μm wavelength region based on Cr⁴⁺:YAG crystal for lidar applications. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7qj7hg9. Accessed 05 August 2025.

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