Switchable Diffractive Waveplate Lenses and Tunable Focus Systems
- Active layer: Liquid crystal and liquid crystal polymer films
- Active layer thickness: 2-30 μm (depends on operating wavelength)
- Aperture size: up to 50 mm
- Focal lengths: customizable
- Re-focusing time: 0.2 - 5 ms
- Number of focal points for a system: 2N (N – number of stages)
- Operating wavelengths: UV-LWIR
- 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: 160 μm – 2 mm
- Low power consumption
BEAM Co.,
Tel. (407) 734-5222
Fax (407) 969-0477
e-mail: sales@beamco.com, info@beamco.com.
http://www.beamco.com/
1300 Lee Road
, Orlando
, FL
,
32810
, USA
Tel. (407) 734-5222
Fax (407) 969-0477
e-mail: sales@beamco.com, info@beamco.com.
http://www.beamco.com/