Single-step phase identification and phase locking for coherent beam combination using deep learning

Y Xie, F Chernikov, B Mills, Y Liu, M Praeger… - Scientific Reports, 2024 - nature.com
coherent combination in a seven-beam system. Deep learning is used to identify the relative
phase offsets for each beam directly from the combined … can calculate the phase corrections …

Constellation Estimation, Coherent Signal Processing, and Multiperspective Imaging in an Uncoupled Bistatic Cooperative Radar Network

P Fenske, T Koegel, R Ghasemi… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
… world, where most vehicles are equipped with multiple radar sensors, a trend is towards
combining single sensors nodes into a multistatic system and applying coherent processing [1]…

81-beam coherent combination using a programmable array generator

Q Du, D Wang, T Zhou, D Li, R Wilcox - Optics Express, 2021 - opg.optica.org
… efficiency against perturbations using a new algorithm based on pattern recognition, sensing
the uncombined beam intensities on a camera as data [10]. To show how this stabilization …

Iteration-free, simultaneous correction of piston and tilt distortions in large-scale coherent beam combination systems

Q Chang, T Hou, H Chang, P Ma, R Su, Y Ma… - Optics …, 2021 - opg.optica.org
… According to the above-mentioned parameters, the length of time required from sensing the
phase error to implement the phase correction is calculated to be less than 510 $\mu s$. The …

Double-pass microwave photonic sensing system based on low-coherence interferometry

L Li, X Yi, SX Chew, S Song, L Nguyen, RA Minasian - Optics letters, 2019 - opg.optica.org
… Recently, the development of the microwave photonic sensing technology in combination
with a LCI configuration has attracted considerable interest. By obtaining the transfer functions …

Engineering of Coherently Combined, High‐Power Laser Systems

GD Goodno, JE Rothenberg - … Laser Beam Combining, 2013 - Wiley Online Library
… This provides a framework to assess coherent combining … heterodyne phase detection and
geometric beam combining, … Separate photodetectors in each channel sensed the phase

Multi-kilowatt diffractive coherent combining of pseudorandom-modulated fiber amplifiers

A Flores, I Dajani, R Holten, T Ehrenreich… - Optical …, 2016 - spiedigitallibrary.org
… active phase stabilization. After phase stabilization, the beams were coherently combined
… Notably, a total output power of ∼5 kW was achieved with 82% combining efficiency and …

The optoelectronic swept-frequency laser and its applications in ranging, three-dimensional imaging, and coherent beam combining of chirped-seed amplifiers

A Vasilyev - 2013 - thesis.library.caltech.edu
… We also discuss the application of compressive sensing (CS) to the TomICam platform, and
… chirped-wave phase-locking techniques, and apply them to coherent beam combining (CBC…

Coherent beam combining of pulsed fibre amplifiers with active phase control

XL Wang, P Zhou, YX Ma, HT Ma, XJ Xu… - Quantum …, 2011 - iopscience.iop.org
… architecture for coherent beam combining of all-fibre pulsed amplifiers with active phase
control … laser by sensing the phase of a low optical leakage between pulses using a heterodyne …

Orbital angular momentum mode detection of the combined vortex beam generated by coherent combining technology

T Yu, H Xia, W Xie, Y Peng - Optics Express, 2020 - opg.optica.org
Coherent beam combining (CBC) technology has … coherent beam array (CBA) with discrete
vortex phases is constructed to generate vortex beams. We demonstrated that the combined