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Q. |
The total efficiency of an injection laser with GaAs active region is 12%. The applied voltage is 3.6 V and band gap energy for GaAs is 2.34 eV. Determine external power efficiency. |
A. | 7.8 % |
B. | 10 % |
C. | 12 % |
D. | 6 % |
Answer» A. 7.8 % |
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