| Popis: |
The present paper analyzes the range determination error caused by the temperature instability in recirculation range finders of the simplest type, range finders with quartz frequency stabilization, and those based on a controlled injection laser. The analysis was performed taking into account the temperature dependence of the radiation power, the lifetime of nonequilibrium charge carriers, and the threshold current of the injection laser as well as the pulsed signal delay in the range finder's photodetector. It is shown that under the conditions of unstable temperature recirculation range finders based on controlled injection lasers have the least temperature component of the error in ranging. |
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