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FIBER COMPONENTS: Fiber optic feedthrough

FFST-155-28

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Model FFST fiber feed through, sometimes also called fiber penetrator, is an ideal device to allow fiber passage through the wall of a pressure or vacuum vessel. The standard model offers ST style receptacles on both sides. Chose either singlemode or multimode fiber. There are two ratings: 10,000 psi for high pressure and 1,000 psi for low pressure and vacuum applications.

Stainless steel 303 is the standard material suitable for a wide variety of gases or fluids. The device can accommodate wall thickness up to 25.4 mm. For wall thickness of 10 mm or less, an adapter is available. Standard shaft diameter is 8.0 mm. Adapters are also available for larger hole diameters. Call for details.

The ambient side (lower left in the picture) employs a spring loaded fiber ferrule promising highly repeatable insertion loss performance. This feature is critical for consistent and reliable testing. The same side is removable by the user for installation and ferrule cleaning.

SPECIFICATIONS
PARAMETERS VALUES
Wavelength range 650-1650 nm
Insertion loss <1 dB
Return loss (SM) >30 dB (typical: 40 dB; dependent on fluid type)
Optical power handling 23 dBm
Working temperature -40 to 85 C
Storage temperature -50 to 85 C
Package style ST receptacle (call for FC/PC option)
Housing material Stainless steel 303
Fiber types Singlemode or multimode
Shaft diameter 8.0 mm
Designed wall thickness 10-25.4 mm (<10 mm: adapters necessary)
Weight 58 g
Pressure rating 690 bar (10,000 psi) or 69 bar (1,000 psi and vacuum)
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FFST- wavelength code- fiber code-10k (for 10,000 psi rating)
FFST- wavelength code- fiber code-1k (for vacuum and 1,000 psi)

DOCUMENTS DOWNLOAD

Download PDF drawing
Download Solidworks 3-D drawing

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