PM Tap Photo Detector
1. Features
Ø Low Insertion Loss
Ø responsibility
Ø Low dark current
Ø Low WDL and PDL
Ø Compact design
Ø Customized tap ratios available
2. Applications
Ø DWDM channel monitoring
Ø Optical line protection monitoring
Ø ROADM Multiplexers
Ø Gain monitoring in Amplifier
3.Specifications
| Parameter | Unit | Specification |
| Wavelength Range | nm | 1260~1620 |
| Tap ratio | % | 1:99 | 3:97 | 5:95 |
| Maximum Input Power | dBm | 23 | 18 | 16 |
| Responsibility | mA/W | 8~12 | 23~38 | 40~60 |
| Insertion Loss(Excluding Connectors) | dB | 0.35 | 0.4 | 0.5 |
| Extinction Ratio@ 23℃ | dB | ≥18 |
| Wavelength Dependent Loss | dB | ≤0.3 |
| Return Loss | dB | ≥45 |
| PD bias voltage | V | -5 |
| Reverse Voltage | V | ≤20 |
| Dark Current | nA | ＜0.5(@25℃),＜2(@70℃) |
| PD cut-off frequency(RL=50Ω, -3dB,-5V) | pF | ＞1 |
| Connector | dB | FC/APC |
| Fiber Type(Panda Fiber) | dB | Corning PM1310 |
| Operating Temperature | ºC | -5 to 65 |
| Storage Temperature Range | ºC | -40 to 85 |
*Above specifications are for devices without the connectors.
*For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower.
*The PM fiber and the connector key are aligned to the slow axis, fast axis is blocked.
4. Dimensions diagram
5. Ordering information
| Style | - | XXX | XX | XXX | XX | XX | - | X | X |
| | | Wavelength | Splitting Ratio | Modules type | Fiber Type | Fiber Length | | Com connector | Port Connector |
| PM TAP PD-TP | | O =O Band | 01=1/99 | ST1=Standard | 02=250um fiber | 10=1.0m | | 0=None | 0=None |
| | C =C Band | 03=3/97 | XX=Customized | 09=0.9mm Tube | XX=Customized | | 1=FC/UPC | 1=FC/UPC |
| | L=L Band | 05=5/95 | | 20=2.0mm Tube | | | 2=FC/APC | 2=FC/APC |
| | | 1315=1310&1550 | | | 30=3.0mm Tube | | | 3=SC/UPC | 3=SC/UPC |
| | | | | | XX=Customized | | | 4=SC/APC | 4=SC/APC |
| | | | | | | | | 5=LC/UPC | 5=LC/UPC |
| | | | | | | | | 6=LC/APC | 6=LC/APC |
| | | | | | | | | X=Customized | X=Customized |
Shenzhen Gracyfiber Technology Co., Ltd.
About Gracyfiber
Gracyfiber was founded in 2014 by a technical team with over 25
years of experience in passive optical components. With an
integrated manufacturing facility of over 2,000 m² and a skilled
engineering team, we deliver stable, high-reliability products for
demanding applications.
We specialize in high-performance passive optical components and
precision photonic assemblies, with core product lines including:
• Fiber Array Units (FA / FAU)
• Polarization-Maintaining (PM) components
• WDM & optical filtering (DWDM, CWDM, FWDM, Reflective WDM, etc.)
• Optical TAP & integrated modules
• MPO / interconnect solutions
Our products are widely used in:
AI data centers, silicon photonics, optical transceivers, CPO,
WDM-PON access networks, fiber optic gyroscopes, and photonic
sensing systems.
