Large 512 x 512 Spatial Light Modulator

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Large 512 x 512 Spatial Light Modulator

KEY FEATURES
  • High speed
  • Pure analog phase control
  • High bit-depth controllers (high phase resolution)
  • High power handling
  • Synchronization / Triggering
  • Wavelengths from 400 – 1650 nm, customization for MWIR or LWIR
DESCRIPTION
Meadowlark Optics Liquid Crystal on Silicon (LCoS) Spatial Light Modulators (SLMs) are uniquely designed for pure phase applications and incorporate analog data addressing with high refresh rates.  This combination provides user’s with the fastest response times and highest phase stabilities commercially available.  Meadowlark offers both transmissive and reflective SLMs in either one or two dimensions.  Phase-only SLMs can also be used for amplitude-only or a combination of both.
 
The Large 512 x 512 SLM is good for applications requiring high speed, with synchronization / triggering capabilities.  The large active area is also good for high laser power density applications. 
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Ultra-High Speed Operation – The Large 512 x 512 SLM was designed to minimize the liquid crystal response time without the need for the OverDrive Plus approach developed for the Meadowlark Small 512 x 512 SLM.  This native high-speed performance results in liquid crystal response times as fast as 1.2 ms, with computer-to-controller transfers speeds as fast as 1.4 ms, the combination provides a continuous 2π phase stroke at throughputs exceeding 700 Hz.
 
Two Controllers – PCIe or DVI
The high-speed performance is best achieved using a PCIe controller offering 8-bits per pixel image transfers from the computer to the controller.  A hardware-based lookup table (LUT) converts the 8-bits to 16-bits prior to the analog conversion for the SLM chip.  The result is a linear 2π phase stroke with a phase resolution of λ/256 at frame rates up to 714 Hz.  The PCIe controller also offers both input and output triggering capabilities to ease synchronization with other equipment.
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Click here for large 512 x 512 SLM Specifications

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