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Single
Mode Polarization Independent Couplers --PIC 1X2£¬2X2
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¡¡¡¡The tap-couplers use a proprietary coating process
to selective reflects a small amount of light from the input. As a
tap monitor, they possess low PDL and a flat wavelength response across
the erbium gain spectrum. They are specifically designed to be used
in conjunction with erbium-doped amplifiers and other polarization
sensitive applications. As the equipment there is three types, PIC
Tap-couplers, PWIC Tap-couplers, PWFC Tap-couplers. For details please
refer to them. |
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KEY
FEATURES |
APPLICATIONS |
Low loss |
Optical amplifiers |
Minimal PDL |
CATV |
Environmentally stable |
WDM networks |
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SPECIFICATIONS |
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Grade
Parameter |
Grade "A"
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Operating Wavelength (nm) |
1550 or 1590, others on request
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Bandwidth (nm) |
¡À20
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Excess Loss (dB) |
¡Ü 0.08 (0.05 typ.)
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Coupling Ratio (%) |
1/99
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3/97
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5/95
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10/90
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Max Insertion Loss (dB) |
21.5/0.2
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17.5/0.3
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14.6/0.4
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10.8/0.6
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Wavelength Dependent Loss (tap port,dB) |
¡À0.5
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¡À0.4
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¡À0.3
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¡À0.3
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Polarization Dependent Loss (tap port,dB) |
¡Ü 0.08
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Thermal Stability (tap port, dB/¡æ) |
¡Ü 0.002 over -40¡æ to +85¡æ
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Directivity (dB) |
1¡Á2
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¡Ý 50 , ¡Ý 60 on request
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2¡Á2
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¡Ý 65
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PACKAGE
INFORMATION |
Configuration |
1¡Á2 or 2¡Á2
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Lead length |
1 meter, others on request
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Lead Type |
0:250um bare fiber |
1:900um loose tube |
Package Dimensions (mm) |
A-30:§¶3.0¡Á30
A-35:§¶3.0¡Á35 |
A-40:§¶3.0¡Á40
A-48:§¶3.0¡Á48 |
Operating Temperature (¡æ) |
-40 to +85 |
-20 to +70 |
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