Principles of Laser

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Principles of Laser
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CD/VCD
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1480nm?980nm??????????EDFA?????
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1.1917????????????????????
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2. 20??50??????????????
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3. 1960???(Maiman)???????????
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?? Laser -??
Laser
Light Amplification of Stimulated Emission of
Radiation
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HeNe,CO2,?????
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1. ?????Planck??
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Planck?????????
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