Protection concepts for optronical sensors against laser radiation

Gunnar Ritt; Bernd Eberle

doi:10.1117/12.897700

28 September 2011 Protection concepts for optronical sensors against laser radiation

Gunnar Ritt, Bernd Eberle

Proceedings Volume 8185, Electro-Optical and Infrared Systems: Technology and Applications VIII; 81850G (2011) https://doi.org/10.1117/12.897700
Event: SPIE Security + Defence, 2011, Prague, Czech Republic

Abstract

The rapid developments in the laser field through the last years led to very compact laser devices with high brightness. In the visual and near infrared spectral range practically each wavelength is now available. For optronical sensors, laser radiation states an increasing threat that cannot be encountered just by conventional safety measures like absorption or interference filters. We present a concept to protect imaging sensors against laser radiation of any wavelength. The system is based on the combination of a spatial light modulator and wavelength multiplexing and allows selective spectral filtering in a defined region of interest in the scene. Such a system offers the possibility to suppress annoying laser radiation without losing spatial information in the region of interest. Depending on the used imaging sensor, we discuss different ways to realize a control loop to activate the appropriate pixels of the spatial light modulator for the attenuation of the laser light.

Citation Download Citation

Gunnar Ritt and Bernd Eberle "Protection concepts for optronical sensors against laser radiation", Proc. SPIE 8185, Electro-Optical and Infrared Systems: Technology and Applications VIII, 81850G (28 September 2011); https://doi.org/10.1117/12.897700

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