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Precision Pinholes

Precision Pinholes

Precision pinholes with aperture sizes from Ø10 μm to Ø100 μm mounted in Ø25 mm black metal holders. 4 µm thick pinholes are formed in ultra-thin kovar foil that minimizes laser power loss. We recommend using precision pinholes with 990-0100 positioners.

from 32 $
delivery Estimated delivery time: 5 - 6 weeks
Products
Description
Code Pinhole diameter Pinhole thickness Mount diameter Price Delivery Add to cart
990-0010 10 ± 0.5 µm 4 µm 25 mm 43 $ 5 - 6 weeks
990-0020 20 ± 0.5 µm 4 µm 25 mm 38 $ 5 - 6 weeks
990-0030 30 ± 0.5 µm 4 µm 25 mm 32 $ 5 - 6 weeks
990-0040 40 ± 0.5 µm 4 µm 25 mm 32 $ 5 - 6 weeks
990-0075 75 ± 0.5 µm 4 µm 25 mm 32 $ 5 - 6 weeks
990-0049 50 ± 0.5 µm 4 µm 25 mm 32 $ 5 - 6 weeks
990-0110 100 ± 0.5 µm 4 µm 25 mm 32 $ 5 - 6 weeks
  • Precision pinholes mounted in Ø25 mm black metal mounts
  • Aperture sizes from 10 μm to 100 μm
  • Custom pinholes up to 200 μm are available on request

Precision pinholes are small round optical apertures that can be used for laser alignment, diffraction experiments or imaging applications. Pinholes are precisely formed in vacuum by chemical etching of 4 µm kovar foil. The use of an ultra-thin substrate minimizes laser power loss.

Pinhole foil is mounted in a Ø25 mm black metal housing. To minimize spatial intensity variations, we recommend using precision pinholes with precision spatial filter system 990-1000.