Non-Mechanical Digital Beam Steering Technology

Functional layers: Liquid crystal and liquid crystal polymer films
Film thickness: 1-5 µm
Steering angle: up to 60º
Angular separation: 0.1 mrad
Re-pointing time: 0.2 - 5 ms
Number of pointing angles: 2N (N – number of stages)
Wavelengths: UV-IR
Diffraction efficiency: >95% (circular polarized light)
Bandwidth: 50-400 nm
Absorption losses per stage: <2% (Vis –NIR-SWIR), <4% (UV, MWIR)
Wavefront error in diffracted beam: λ/4 (@633 nm)
Substrates: All major transparent materials, including plastic
Substrate thickness: 5 μm (plastic sheet) – 5 mm (high degree polished optical windows)
Clear aperture: >90%
Assembly thickness per stage: 0.2 – 2 mm
Low power consumption

Reference

-N.V. Tabiryan, S.R. Nersisyan, D.M. Steeves and B.R. Kimball, The Promise of Diffractive Waveplates, Optics and Photonics News 21, 41-45, 2010.
-H. Sarkissian, S.V. Serak, N.V. Tabiryan, L.B. Glebov, V. Rotar, B.Ya. Zeldovich, Polarization-controlled switching between diffraction orders in transverse-periodically aligned nematic liquid crystals, Optics Letters 31, 2248-2250, 2006.

BEAM Co.,

1300 Lee Road

Orlando

32810

USA

Tel. (407) 734-5222
Fax (407) 969-0477
e-mail: sales@beamco.com, info@beamco.com.
http://www.beamco.com/