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Knight Optical’s Shear-Plate Collimation Testers (CTs) are used to examine and adjust the collimation of laser light within a system by creating a lateral-shearing interference pattern. 

Designed for use at 633nm, the wedge angle of the high-quality N-BK7 optical flats have been optimised to give 5-6 fringes for any of the given apertures.  Our collimation testers are mounted in a sturdy anodised aluminium frame with a reference line to align the system. 

By ensuring proper collimation with a system, it can ensure optimal performance, improved imaging, and stronger signals. Typical applications include:

  • laser alignment
  • telescope alignment
  • camera lens alignment
  • microscope alignment
  • fiber optic alignment. 

We also offer the following apertures:
10mm, 20mm, 50mm, and 200mm. 

Enhancement coatings can be applied upon request, including BBAR coatings. 

Enhancement coatings can be applied upon request, including BBAR coatings. 

5 Items

Name Aperture Diameter Design W/L (nm) Coating Price Buy
01SCT075 75mm 633nm No
US$1,109.78
01SCT125 125mm 633nm No
US$1,984.92
01SCT100 100mm 633nm No
US$1,401.12
01SCT150 150mm 633nm No
US$3,558.40
01SCT250 250mm 633nm No From
US$14,500.48
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Shear-Plate Collimation Testers

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