Description
Features
Delay of line customized to customer requirements
Use of master class optical connectors, optical fiber with low attenuation and precise winding technology guarantees low insertion loss of line
Extremely high delay accuracy
Available in an acoustic and vibration absorbing version
Applications
Laser spectroscopy
Test and measurement system
Quantum optics
Optoelectronic oscillators
Optical gyroscopes
Technical parameters
OPTICAL FIBER PARAMETERS 1
Parameter Unit Value
Fiber type G.657A2 2
Attenuation @1310 nm dB/km โค0.35
Attenuation @1383 nm dB/km โค0.34
Attenuation @1490 nm dB/km โค0.23
Attenuation @1550 nm dB/km โค0.21
Attenuation @1625 nm dB/km โค0.23
Mode filed diameter (MFD) @1310 nm ยตm 8.8 ยฑ 0.4
Mode field diameter (MFD) @1550 nm ยตm 9.8 ยฑ 0.5
1. Full datasheet of optical fiber available on request
2. Other type of fiber Attenuation @1310 nmon request
OPTICAL CONNECTORS PARAMETERS
Parameter Unit Value
Maximum insertion loss IL dB โค 0.1
Minimum return loss RL dB โฅ 65 (APC), โฅ 55 (UPC)
Concentricity ยตm โค 0.3
Longitudinal angle of the ferrule hole โฐ โค 0.2
Apex offset ยตm โค 30
Fiber height nm -30 โ +30
Radius of curvature mm 7-12 (APC), 10-20 (SC UPC), 7-25 (LC UPC)
Polishing angle โฐ 8 ยฑ 0.3 (APC), 0 ยฑ 0.2 (UPC)
Measure at wavelength 1310, 1550 nm
STANDARD SPECIFICATIONS 2*
Nominal length [km] Maximum insertion loss [dB] 3* Typical delay [ยตs]
1 0.41 5
2 0.62 10
5 1.25 25
10 2.30 50
15 3.35 75
20 4.40 100
25 5.45 125
50 10.70 250
Delay tolerance 0.005 %
2. Other lengths available on request
3. Insertion loss with optical connectors at 1550 nm wavelength
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