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J. KIMS Technol > Volume 21(3); 2018 > Article
Journal of the Korea Institute of Military Science and Technology 2018;21(3):295-305.
DOI: https://doi.org/10.9766/KIMST.2018.21.3.295   
Design of a Single Pulse Laser Range Finder with Er:Yb:glass Microchip Lasers
Hae Seog Koh, Chang Jae Lee, Choong Bum Park, Hyoung Ha Jeon, Pil Dong Ahn, Do Hyun Park
1The 3rd Research and Development Institute, Agency for Defense Development
3R&D Team2, MOORI Technologies Co
어븀:이터븀:유리 마이크로칩 레이저를 이용한 단펄스 거리측정기 설계
고해석, 이창재, 박충범, 전형하, 안필동, 박도현
1국방과학연구소 제3기술연구본부
3무리기술(주) 연구개발2팀
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.
Key Words: Er:Yb:glass Laser, Laser Rangefinder, Eye-Safe Laser, Microchip laser
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