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Plastic Viewing Screen


Post-Mountable Viewing Screen

  • 149 mm (5.87") Square Plastic Viewing Screen
  • 8-32 (M4) Tapped Hole for Post Mounting
  • Front and Back Surface Finishes are Ideal for Observing Interference Fringes, Spectra, and Images


  • 149 mm (5.87") Square, 3 mm (0.12") Thick Viewing Screen
  • White Polystyrene Construction
  • 8-32 (M4) Tapped Metal Thread Insert for Post Mounting

Thorlabs' EDU-VS1(/M) Viewing Screen is ideal for observing interference patterns, spectra, and images. The screen, which measures 149 mm (5.87") square, is constructed from polystyrene. One side has an smooth matte finish, while the other has a slightly textured surface. These surface finishes were chosen to provide a diffuse, uniform reflection and to optimize the appearance of interference patterns and other images. Its white plastic construction allows bright images and beams to be observed even through the back of the screen.

This screen is equipped with an 8-32 (M4) tapped metal thread insert for post mounting; this features allows it to be easily integrated into optomechanical setups.

Please note that this screen should not be used as a beam block or as any type of laser safety device. Its plastic construction results in a low damage threshold and makes it slightly translucent.


Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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