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3DPolarizer

480 Hz circular polarizer

The DepthQ circular polarizer is driven directly by the PROPixx projector. Our custom driver ensures symmetric 50 microsecond switching times and minimal crosstalk at up to 480 FPS.

Polarizer placement is straightforward as you simply place it in front of the projection lens. Passive 3D glasses are widely available in a variety of form factors, and most are 100% plastic, rendering them suitable for MRI environments.

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SPECIFICATIONS

  • Up to 480 Hz refresh rate
  • 50 µsec symmetrical switching time
  • Less hardware than two-projector solutions
  • Passive eyewear is inexpensive
  • Plastic eyewear for MRI / MEG environment
  • No vertical or horizontal parallax problems

Completely symmetric operation between left and right eyes, with high extinction at all wavelengths for dark states

  • Polarization type: Circular L/R symmetrical, neutral color
  • Maximum number of frames per second: 480 FPS (480 Hz)
  • Switching time: 50 μsec
  • Transmittance: 32%
  • Polarized glasses: Glasses are circular and use a standard 0/0 orientation. Includes 4 pairs of passive glasses
  • Aperture size: 9.84 x 6.11 cm (3.875 x 2.41 in)
  • Operating temperature: ±5 to +52 oC (40 to 125 oF)

  • Single-projector solution eliminates possibility of geometric asymmetry between eyes
  • No vertical or horizontal parallax problems
  • Simple modulator placement – just set it in front of the projector
  •  No time consuming alignment of superimposed images required
  • No moving parts
  • Less hardware than two-projector solutions
  • Does not require the use of a high power Infra-Red emitter
  • Passive eyewear is inexpensive
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