Collimated Holes, Inc. (CHI) is a provider of highly customized fiber optics and collimated hole structures for science, industry, and medicine. This site provides general information about our products and capabilities. For information relating to specific applications, we invite you to call us or send an email or FAX.

Please note that as of Nov 2013 our email address has changed to:

Product Categories

Capillary Arrays
Fused Image Products
Fiber Optic Faceplates
Fiber Optic Windows
Image Conduit
Light Diffusers/
Filter Plates
Numerical Aperture (N.A.)
Fiber Diameter
Extramural Absorbtion (EMA)

Fiber Optic Scintillators
Bulk Scintillators
Hybrid Scintillators