YD-YDE104-1203
Variable optical attenuator : YS-5220type
The YS-5220 is a variable optical attenuator applying the
Faraday effect of magneto-optical crystals. This VOA has
Dark character (Maximum attenuation at 0mA). The
response time is typical 30μsec.
Features
●
Dark Characteristic (Max. attenuation at 0mA)
●
Compact size (Cylindrical)
●
Non-Mechanical (using Magneto-optics technology)
●
High reliability
●
Fast response (Typ.30μsec)
●
Current control
Specifications
Items
Wavelength range (λo)
Driving Current (Iop)
Minimum Attenuation
Maximum Attenuation
Polarization dependent loss
Wavelength Dependent Loss
Polarization mode dispersion
Return loss
Response Speed
Max. incident power
D.C. Resistance
Inductance
Insulation
Fiber type
Fiber length
Connector type
Operating temp. range [T
0
]
Storage temp. range
[Ts]
-5~+70degC
-40~+85degC
1 MΩ
YS-5220-155
Min.
1530 nm
Max.
1565 nm
70 mA
1.5 dB
20 dB
0.5 dB
0.7 dB
0.05 ps
45 dB
100
μsec
500mW
65Ω
YS-5220-159
Min.
1570 nm
Max.
1610 nm
70 mA
1.5 dB
20 dB
0.5 dB
0.8 dB
0.05 ps
45 dB
100
μsec
500mW
Conditions
at
T
0,
λo,
Iop
at
T
0,
λo,
Iop
at
T
0,
λo,
Iop
≤
15dB attenuation
at
T
0,
λo,
Iop
at
T
0,
λo,
Iop
25ºC
1 MΩ
25ºC
100V.1min
1.2 mH
Corning SMF28e+ or equivalent
1m min
None
Shapes and dimensions
Optical Input
Optical Output
Unit : mm
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