Fast beam steering with an optical phased array

DR Gozzard, LE Roberts, JT Spollard, PG Sibley… - Optics Letters, 2020 - opg.optica.org
Optical phased arrays (OPAs) are devices that use the coherence of light to control the
interference pattern in the far field, which enables them to steer a laser beam with no moving …

Crosstalk reduction for multi-channel optical phase metrology

PG Sibley, RL Ward, LE Roberts, SP Francis… - Optics …, 2020 - opg.optica.org
Digitally enhanced heterodyne interferometry (DEHI) combines the sub-wavelength
displacement measurements of conventional laser interferometry with the multiplexing …

High power compatible internally sensed optical phased array

LE Roberts, RL Ward, SP Francis, PG Sibley… - Optics express, 2016 - opg.optica.org
The technical embodiment of the Huygens-Fresnel principle, an optical phased array (OPA)
is an arrangement of optical emitters with relative phases controlled to create a desired …

基于光纤耦合器的全光纤链路锁相控制

李枫, 超耿, 李新阳, 邱琪 - 光电工程, 2017 - cn.oejournal.org
提出了一种基于光纤耦合器的全光纤链路锁相方法. 通过光纤交叉互联使得出射光束与本振激光
之间以及光纤端面后向回光相互间在光纤耦合器内进行干涉以获得性能指标 …

Optical vortex beams with controllable orbital angular momentum using an optical phased array

DR Gozzard, JT Spollard, PG Sibley, LE Roberts… - OSA …, 2020 - opg.optica.org
Laser beams with orbital angular momentum (OAM) have applications ranging from optical
communications to quantum optics. However, the generation of OAM beams, particularly …

Research progress of active phase-locking technique of an all-fiber coherent laser array

C Hongxiang, S Rongtao, L Jinhu, C Qi, M Pengfei… - 强激光与粒子束, 2023 - hplpb.com.cn
The all-fiber laser array with active phase control uses an all-fiber network to realize internal
detection and control of piston phases, which is one of the important development directions …

Coherent beam combining using an internally sensed optical phased array of frequency-offset phase locked lasers

LE Roberts, RL Ward, C Smith, DA Shaddock - Photonics, 2020 - mdpi.com
Coherent beam combining can be used to scale optical power and enable mechanism-free
beam steering using an optical phased array. Coherently combining multiple free-running …

[PDF][PDF] Internally sensed optical phased arrays

LE Roberts - 2016 - core.ac.uk
The performance of existing ground based space debris laser ranging systems can be
improved by directing more light onto space debris by coherently combining multiple lasers …

Time-division multiplexing cascaded active phase-locking method for an all-fiber coherent beam combining system

H Chang, R Su, Y Zhang, K Jin, J Long, J Leng… - Applied Optics, 2024 - opg.optica.org
Coherent beam combining (CBC) is an effective approach to exceed the power limitation of
fiber lasers by combining multiple laser sources. Phase-locking is one of the important steps …

Phase-locking control in all fiber link based on fiber coupler

L Feng, G Chao, L Xinyang, Q Qi - Opto-Electronic Engineering, 2017 - oejournal.org
A new technique of phase-locking control in all fiber link based on fiber coupler has been
proposed. Laser beams backscattered by the fiber tips of the different outgoing fiber laser …