Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Design of a Single Pulse Laser Range Finder with Er:Yb:glass Microchip Lasers

어븀:이터븀:유리 마이크로칩 레이저를 이용한 단펄스 거리측정기 설계

  • 고해석 (국방과학연구소 제3기술연구본부) ;
  • 이창재 (국방과학연구소 제3기술연구본부) ;
  • 박충범 (컨설턴트) ;
  • 전형하 (무리기술(주) 연구개발2팀) ;
  • 안필동 (무리기술(주) 연구개발2팀) ;
  • 박도현 (무리기술(주) 연구개발2팀)
  • Received : 2017.11.23
  • Accepted : 2018.05.11
  • Published : 2018.06.05
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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

References

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