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Vacuum Fiber Optic Products

Fiber Optic Drawing

Vacuum Fiber Optics Components

AGP's line of Fiber Optic Feedthroughs and components consists of feedthroughs on CF and ISO Flanges to Air and Vacuum cable assemblies.

Vacuum Fiber Optics

Accu-Glass Products line of Fiber Optic Feedthroughs and Cable Assemblies.

Our UHV Fiber Optic feedthroughs are hermetically sealed into a stainless steel shell, using the latest in glass bonding technology.  

Our proprietary seal allows for the broadest temperature range of any fiber feedthrough available today:  From -269°C to +250°C.

Fiber Optic Feedthrough Specifications
  • Shell
  • Seal

304 Stainless Steel
Feedthrough Vacuum Range Specifications
Vacuum Range  
  • UHV, Ultrahigh vacuum
  • HV, High vacuum

1x10-10  Torr
1x10-8 Torr

Feedthrough Temperature Specifications
Vacuum Temperature  
  • Feedthrough
  • Flange Mount, Conflat
  • Flange Mount, ISO
  • Thermal Gradient

-200ºC to 250ºC
-200ºC to 450ºC
-26ºC to 150ºC
25ºC / Minute Maxium

Fiber Multimode Specifications
Multimode optical fiber  

Step Index Fiber, 100-1000um UV/VIS or High-OH

  • Operating Wavelength

Step Index Fiber, 100-1000um VIS/NIR or Ultra Low-OH

  • Operating Wavelength

Numerical Aperture
Core / Cladding Ratio
Bend Radius, Momentary / Long Term
Insertion loss, Interconnect

Graded-Index Fiber, 62.5um Core / 125um Clad
  Operating Wavelength
  Numerical Aperture
  Bend Radius, Momentary / Long Term
  Attenuation at 850 / 1300nm



0.22 + 0.02 or 24.8º
200X / 400X Core
-0.8db to -2.0db

850 and 1300nm
0.27 + 0.02
400X / 800X Core
< 3.0db / 0.8db

* Overall assembly ratings must be adjusted to that of the lowest rated component.  

Patch Cables for in-vacuum and air-service are also available in many core sizes and wavelength ranges.  

Patch Cables are offered with SMA 905 Premium Connectors as off-the-shelf standards.