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Vol. 226, Issue 10, October 2018, pp. 1-9




Applications of Modern Controls for Laser Jitter and Wavefront Correction

1 Jae Jun Kim and 2 Brij Agrawal

Naval Postgraduate School, 1 University Circle, Monterey, CA 93943, USA
1 Tel.: +1-831-656-2716, fax: +1-831-656-3111

1 E-mail: jki1@nps.edu


Received: 25 June 2018 /Accepted: 31 August 2018 /Published: 31 October 2018

Digital Sensors and Sensor Sysstems


Abstract: Optical beams are used in many applications, such as imaging, laser communications, and high energy laser systems. Performance requirements of optical beams for acquisition, tracking, pointing, jitter control, and wave front correction control are very challenging. Advanced optics and controls techniques have been developed to meet these requirements. This paper provides an application of modern control methods such as adaptive filter control and modal control, aiming to increase the performance of optical jitter and wavefront aberration compensation. Experimental results are also presented to demonstrate the effectiveness of these control methods.


Keywords: Wavefront sensor, Adaptive optics, Optical beam, Jitter, Wavefront aberration, Adaptive filter, Modal control.


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