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Publisher's URL: http://dx.doi.org/10.1364/AO.30.000317
Two physically separated laser diode arrays were simultaneously injection-locked to the same master laser. The modulus of their mutual coherence function was measured, and the resulting value 0.96 ± 0.06 was close to the maximum allowed value of 1. The spatial phase of the two injection-locked outputs did not vary from each other by more than 0.05 wave (λ/20), apart from a phase difference that grew linearly with position, due to the tilt between the two interfering beams. Requirements for the coherent combination of injection-locked laser diode arrays are discussed.
|Glasgow Author(s) Enlighten ID:||Brewer, Dr Laurence|
|College/School:||College of Science and Engineering > School of Physics and Astronomy|
|Journal Name:||Applied Optics|