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Unidirectional Integrated Tap Photodiode

Produts Details

Product Name: Unidirectional Integrated Tap Photodiode (UTPD)


The Unidirectional Integrated Tap Photodiode (UTPD) integrates the functionality of an optical coupler and a photodiode for optical network's power monitoring. The unidirectional feature allows the PD to respond power from input port only. It can be applied for channel power monitoring in DWDM system, optical fiber line auto switch protection equipment (OLP), re-configurable optical add/drop multiplexer (OADM), and gain/attenuation monitoring in EDFA, etc.


Specifications

Parameter

Unit

Value

Operating Wavelength Range (λop)

nm

1528 - 1567

Max. Insertion Loss     1%

dB

0.3

                              2% dB

0.4

                              5% dB

0.5

                             10%

 dB  0.9

                             50%

 dB  3.5

Max Wavelength Dependent Loss

dB

0.2

Max. Polarization Dependent Loss

dB

0.05

Min. Return Loss

dB

45

Responsivity               1%

mA/W

7 - 15

                             2% mA/W

14 - 25

                             5% mA/W

35 - 65

                             10%

 mA/W  75-120

                             50%

 mA/W  392-570

Min. Directivity From Output to PD**

dB

25

Max. Wavelength Dependent Responsivity***

dB

+/-0.4

Max. Dark Current (@70  ℃, -5 V bias)

 nA  2

Max. Optical Power     1%

mW

1000

                              2%

mW  500

                              5%

mW  200

                              10%

mW  100

                              50%

mW  20

Max. Power on PD Chip

mW

10

Max. Linearity Optical Power from -40dBm to +10 dBm on PD (-5V bias)

%

5

Fiber Type

SMF-28 Ultra Fiber

Operating Temperature

-5 to +75

Storage Temperature  ℃  -40 to+85
Soldering Tempeature (Over 2mm from Head, Less than 5s)  ℃  ≤ 260

 * IL is 0.5 dB higher, RL is 5 dB lower for each connector added.

**Directivity=-10*log[responsivity(Output)/responsivity(Input)]

***WDR=10*log[Responsivity (1520) / Responsivity(1570)]

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