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http://dx.doi.org/10.9766/KIMST.2018.21.3.295

Design of a Single Pulse Laser Range Finder with Er:Yb:glass Microchip Lasers  

Koh, Hae Seog (The 3rd Research and Development Institute, Agency for Defense Development)
Lee, Chang Jae (The 3rd Research and Development Institute, Agency for Defense Development)
Park, Choong Bum (Consultant)
Jeon, Hyoung Ha (R&D Team2, MOORI Technologies Co)
Ahn, Pil Dong (R&D Team2, MOORI Technologies Co)
Park, Do Hyun (R&D Team2, MOORI Technologies Co)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.21, no.3, 2018 , pp. 295-305 More about this Journal
Abstract
We present a passively Q-switched monolithic Er:Yb:glass microchip laser developed in our lab. The microchip laser can produce pulses at 1535 nm of the 'eye-safe' wavelengths with the pulse energy of 50 uJ and the pulse width of 4-6 ns. Using the laser we also designed and developed a pulsed Er:Yb:glass microchip laser rangefinder. Expressions for background and signal power, noise, and signal-to-noise ratio are reviewed. A computer simulation was used to optimize laser power, receiver aperture, and preamplifier bandwidth for the efficient system design of the laser rangefinder. Experimental results are presented to compare with the theory.
Keywords
Er:Yb:glass Laser; Laser Rangefinder; Eye-Safe Laser; Microchip laser;
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