Meadowlark Optics Liquid Crystal Polarization Gratings (LCPG) and Lenses (LCPL)

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Specifications

Waveplate Type: Zero Order
Material: Liquid Crystal
Mounting: Mounted, Unmounted
Shape: Round, Square, Rectangle, Custom
Size: 25.4 mm
Center Wavelength: 700 nm
Retardation: Other
Retardation Accuracy: Custom, Other
Wavefront Distortion: Custom, Other
Surface Quality (Scratch-Dig): 40-20
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Features


  • Low size, weight, and power

  • Random-access scanning

  • Robust non-mechanical operation

  • Large apertures possible (>20 cm)

  • Diffraction-limited wavefront quality

  • High diffraction efficiency (>99%)

  • Up to 80°×80° steering demonstrated

  • Demonstrated in VIS to MWIR

  • Wide-angle beam steering > 100°

  • Sub-millisecond switching times

Applications


  • Aerospace & Defense: Inertialess optical beam steering with dramatic reductions of size, weight, and power

  • Automotive: Wide-angle steering of flash and coherent lidar for ADAS and autonomous vehicles

  • Manufacturing + Automation: Increase range and resolution of conventional Time-of-Flight cameras without sacrificing field of view

  • Telecommunication: Nonmechanical coarse pointing, acquisition, and tracking, as well as nonmechanical divergence control

  • Wind Power Generation: Compact nonmechanical pointing of coherent Doppler lidar wind sensing

  • Photo Simulation

  • Optogenetics

  • Machine Vision

  • Remote Focusing