National Aperture, Inc.

Phone: 800-360-4598 ~  Fax: 603-893-7857

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Over 50 Years of Experience

Aperture Products

Typical Applications

  • Spatial filtering
  • Laser light control
  • Gas/liquid flow control
  • Spectrometry
  • Fiber optics
  • Astronomy
  • General optics

Standard Materials

  • Stainless Steel
  • Copper
  • Nickel Cobalt

Optional Materials

  • Tungsten
  • Gold
  • Molybdenum
  • Tantalum
  • Titanium
  • Nickel
  • Brass
  • Platinum

Our unique line of miniature and
ultra-miniature precision servo motion products feature sub-micron resolution and high speed in the smallest footprint currently on the market.

Motion Controllers

General Information

National Aperture, Inc. is the leading manufacturer of precision micro-apertures, pinholes, slits, bar patterns and custom configurations.


Our specialty is micro-miniature pinholes and slits.


  • Standard pinholes range in size from 2µm to 1000µm with custom sizes available.
     
  • Standard slits range in size from 2.5µm to 200µm, with custom sizes available.
     
  • High Power pinholes and slits are available as standard items.
     
  • All aperture edges are carefully fabricated employing proprietary computerized micro-drilling, micro-slitting and micro-finishing techniques. All finished components are rigidly quality controlled before shipping. Standards are traceable to NIST.
     
  • For special applications, we offer a selection of standard and non-standard customs.
     

Items List


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