Archive > Volume 17 Issue 11 > 2021,17(11):678-682. DOI:https://doi.org/10.1007/s11801-021-0192-5 CSTR:[cstr] Prev Next
Wide angle space laser communication receiver based on asymmetric array structure
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Abstract:
In this paper, an asymmetric array structure of space laser communication receiver is proposed. This structure can greatly reduce alignment requirement, and lighten the signal strength jitter caused by atmospheric turbulence. A prototype of the proposed structure is fabricated and a 2.5 Mbit/s on-off keying (OOK) modulated demonstration link over 40 m free space is built. This asymmetric array structure can effectively collect optical signal while rotating in a window angle of ±17°, and the bit error ratio (BER) keeps zero.
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