OPTOELECTRONIC AMPLIFIER Russian patent published in 2013 - IPC H01S3/23 

FIELD: electrical engineering.

SUBSTANCE: in optoelectronic amplifier optical output of the second reversed reflecting mirror through the first reversed reflecting mirror, through the first correcting lens, through the first optoelectronic converter and the second correcting lens is connected to optical input of laser having optical output connected to the optical input of the third correcting lens through the first reversed semitransparent mirror, through the second optoelectronic converter. At that optical output of the third correcting lens is connected to optical input of the second laser having optical output connected through the second reversed semitransparent mirror, through the third reflecting mirror, through the first reversed semitransparent mirror to optical input of the second reversed reflecting mirror.

EFFECT: possibility to amplify light energy.

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