KEY FEATURES
Our liquid crystal shutter uses twisted nematic liquid crystals to provide a vibration-free mechanical shutter alternative. The twisted nematic liquid crystal switches between a state that rotates the input polarization by 90° with no voltage applied and a state that makes no change in the input polarization with 8 to 10 volts applied. The applied voltage is a 2 kHz AC square-wave. The shutter is supplied with integral dichroic visible polarizers to provide an average extinction ratio of better than 1,000:1. Custom shutters with larger aperture sizes and with wavelength coverage to 2.1 microns are available on a custom basis.
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Cambridge, MA. From sculptedlight.org: Sculpted Light in the Brain is a recurring conference (founded in 2017) aimed at fostering collaborations between neuroscientists, computer scientists, optics researchers, and other scientists who share the common interest of using and developing novel technologies to observe and control neural activity in the awake, behaving brain. “Sculpted Light” refers to a broad class of methods where light is shaped to probe neural function. This meeting aims to promote future collaboration opportunities by gathering established scientists and the next generation of researchers from these fields to discuss future technologies that will enable real-time optical communication with the living brain.