In-Line Fiber Optic Attenuator (IFOA, Single Mode)
Standard Single-Mode In-Line Fixed Optical Attenuator providing calibrated optical attenuation from 1 dB to 30 dB across 1310nm, 1490nm, and 1550nm bands. Packaged in a compact cylindrical metal housing with high return loss (>55 dB) and low polarization sensitivity.
Technical Specifications
Parameter
Specification
Unit
Center Wavelength
1310, 1490, 1550
nm
Operating Bandwidth
±40
nm
Attenuation Values
1, 2, 3, 5, 10, 15, 20, 25, 30
dB
Attenuation Tolerance
±0.5 (1-10dB), ±1.0 (11-30dB)
dB
Min. Return Loss
55 (APC), 50 (UPC)
dB
Max. Polarization Dependent Loss (PDL)
<= 0.15
dB
Max. Optical Power (CW)
500
mW
Fiber Type
Corning SMF-28e+ Fiber
-
Operating Temperature
-40 to +75
°C
Storage Temperature
-40 to +85
°C
Package Dimensions
dia. 3.0 x 54 mm / dia. 4.0 x 65 mm / 90 x 20 x 9.5 mm
mm
Technical Datasheet Note
Attenuating fiber core design ensures wavelength-flat attenuation. Connectors add 0.3 dB insertion loss.
Attenuating fiber core design ensures wavelength-flat attenuation. Connectors add 0.3 dB insertion loss.
Configuration and ordering notes
Configuration parameters include fixed attenuation level (1 to 30 dB) and connector terminations (FC, SC, LC with UPC or APC polish).
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Key Applications
Receiver optical overload protection; Optical amplifier gain leveling; Telecommunications equipment testing.
Package Drawing
Need an exact configuration?
A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.