Line-of-sight kinematics and corrections for fast-steering mirrors used in precision pointing and tracking systems

J. M. Hilkert; Gavin Kanga; K. Kinnear

doi:10.1117/12.2049857

9 June 2014 Line-of-sight kinematics and corrections for fast-steering mirrors used in precision pointing and tracking systems

J. M. Hilkert, Gavin Kanga, K. Kinnear

Author Affiliations +

Proceedings Volume 9076, Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications XI; 90760F (2014) https://doi.org/10.1117/12.2049857
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

Fast steering mirrors, or FSMs, have been used for several decades to enhance or augment the performance of electrooptical imaging and beam-steering systems in applications such as astronomy, laser communications and military targeting and surveillance systems. FSMs are high-precision, high-bandwidth electro-mechanical mechanisms used to deflect a mirror over a small angular displacement relative to the base it is mounted on which is typically a stabilized gimbal or other primary pointing device. Although the equations describing the line-of-sight kinematics derive entirely from the simple plane-mirror law of reflection, they are non-linear and axis-coupled and these effects increase as the FSM angular displacement increases. These inherent non-linearities and axis-coupling effects can contribute to pointing errors in certain modes of operation. The relevant kinematic equations presented in this paper can be used to assess the magnitude of the errors for a given application and make corrections as necessary.

Citation Download Citation

J. M. Hilkert, Gavin Kanga, and K. Kinnear "Line-of-sight kinematics and corrections for fast-steering mirrors used in precision pointing and tracking systems", Proc. SPIE 9076, Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications XI, 90760F (9 June 2014); https://doi.org/10.1117/12.2049857

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available