Fiber coupling characteristics of holographic optical element for free-space optical communications
H Yamashita, K Wakunami, Y Ichihashi… - Japanese Journal of …, 2019 - iopscience.iop.org
H Yamashita, K Wakunami, Y Ichihashi, K Yamamoto, Y Takayama
Japanese Journal of Applied Physics, 2019•iopscience.iop.orgThe use of a holographic optical element (HOE) is proposed as a substitute for the fine-
pointing mechanism (FPM) in free-space optical communications. A HOE possessing a
function to transform the propagation angle of the received beam to a designed direction is
fabricated. The coupling characteristics of the received beam to a single-mode fiber are
experimentally evaluated. The results confirm the potential of the proposed method and
show the advantages over the FPM.
pointing mechanism (FPM) in free-space optical communications. A HOE possessing a
function to transform the propagation angle of the received beam to a designed direction is
fabricated. The coupling characteristics of the received beam to a single-mode fiber are
experimentally evaluated. The results confirm the potential of the proposed method and
show the advantages over the FPM.
Abstract
The use of a holographic optical element (HOE) is proposed as a substitute for the fine-pointing mechanism (FPM) in free-space optical communications. A HOE possessing a function to transform the propagation angle of the received beam to a designed direction is fabricated. The coupling characteristics of the received beam to a single-mode fiber are experimentally evaluated. The results confirm the potential of the proposed method and show the advantages over the FPM.
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