A DVD pickup based on dual-wavelength integrated laser diode |
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| Authors: | Wang Jiping Ruan Yu |
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| Institution: | The National Laboratory for Laser Technology, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, People's Republic of China |
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| Abstract: | An innovative DVD pickup based on integrated dual-wavelength laser diode is developed. The dual-wavelength laser diode emits two lasers with different wavelengths. The laser with 650 nm wavelength is used for DVD, and the other with 780 nm wavelength is used for CD and CD-R/RW. Key techniques of this DVD pickup design are discussed. The feasibility of this scheme is proved by experimental results. |
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| Keywords: | DVD pickup CD-R/RW Dual-wavelength integrated laser diode |
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