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PM MT-MPO Assembly – 8F/12F/16F Polarization-Maintaining Ribbon Fiber
PM MT-MPO Assembly – 8F/12F/16F Polarization-Maintaining Ribbon Fiber
GracyFiber PM MT-MPO Assembly is a pre-terminated multi-fiber solution built with polarization-maintaining ribbon fiber and MT/MPO interfaces. Available in 8F, 12F, and 16F configurations, the assembly supports wavelength options from 405 nm to 1550 nm for polarization-sensitive multi-channel optical systems.
The source document specifically identifies high-density ribbon configurations, broad wavelength support, high polarization purity, low insertion loss, and ±3° K-key precision alignment as core product characteristics.
A PM MT-MPO Assembly is a multi-fiber optical assembly that combines polarization-maintaining ribbon fiber with MT/MPO-style multi-fiber interfaces. It is intended for applications where multiple optical channels must be connected while maintaining controlled polarization orientation.
The supplied product information lists:
The product family covers wavelength configurations from 405 nm to 1550 nm. The accompanying specification provides individual options including:
The supplied specification lists:
The specification states that the PM fiber and connector key are aligned to the slow axis, while the fast axis is blocked. The product documentation also specifies a ±3° K-key alignment tolerance.
| Parameter | Specification |
|---|---|
| Product Type | PM MT-MPO Assembly |
| Fiber Construction | Polarization-Maintaining Ribbon Fiber |
| Fiber Count | 8F / 12F / 16F |
| Nominal Wavelength Options | 405 / 460 / 650 / 780 / 850 / 980 / 1064 / 1310 / 1550 nm |
| K-Key Alignment Tolerance | ±3° |
| Return Loss | ≥45 dB @ PC; ≥55 dB @ APC |
| Fiber Coating / Protection | 250 µm / 900 µm blue loose tube |
| Fiber Length | 0.1 / 0.5 / 1 / 2 / 3 / 5 m |
| Connectivity | MT-FA / MT-MT / MT-MPO / MPO-MPO / Customized |
| Operating Temperature | -5°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Nominal Wavelength | 405 nm | 460 nm | 650 nm | 780 / 850 nm | 980 / 1064 nm | 1310 / 1550 nm |
|---|---|---|---|---|---|---|
| Operating Wavelength Range | 400–680 nm | 460–700 nm | 620–850 nm | 770–1100 nm | 970–1550 nm | ±50 nm* |
| Insertion Loss, Max. | 4.1 dB | 4.1 dB | 3.0 dB | 2.2 dB | 1.8 dB | 1.6 dB |
| Extinction Ratio, Min. | 15 dB | 15 dB | 20 dB | 20 dB | 22 dB | 22 dB |
| Core NA | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 |
| Mode Field Diameter | 3.3 ±0.5 µm @405 nm | 3.3 ±0.5 µm @515 nm | 4.5 ±0.5 µm @630 nm | 5.3 ±1.0 µm @850 nm | 6.6 ±0.5 µm @980 nm | 9.3 ±0.5 µm @1300 nm |
| Power Handling, Max. | 100 mW | 100 mW | 100 mW | 300 mW | 300 mW | 500 mW |
| Fiber Type | PM405 | PM460 | PM630 | PM780 | PM980 | PM1300 / PM1550 |
*The source spreadsheet gives the 1310/1550 nm operating wavelength range as ±50 nm without separately defining the reference center wavelength. This should be confirmed before publication.
Available configurations:
| Wavelength Configuration | PM Fiber |
|---|---|
| 405 nm | PM405 |
| 460 nm | PM460 |
| 650 nm | PM630 |
| 780 / 850 nm | PM780 |
| 980 / 1064 nm | PM980 |
| 1310 nm | PM1300 |
| 1550 nm | PM1550 |
Available lengths listed in the supplied specification:
Available configurations:
Specific polish angle: [Need confirmation]
The GracyFiber PM MT-MPO Assembly is designed for multi-channel optical systems that require both high-density fiber connectivity and controlled polarization orientation. Instead of using individual PM fiber patch cords for each channel, the assembly integrates multiple polarization-maintaining fibers into an 8F, 12F, or 16F ribbon-based configuration with MT/MPO-compatible interfaces.
A key consideration in PM multi-fiber assemblies is the rotational relationship between each polarization-maintaining fiber and the connector reference key. The supplied product specification defines a ±3° K-key alignment tolerance, while the accompanying technical note states that the PM fiber and connector key are aligned with the slow axis. This provides a defined polarization-axis relationship across the multi-fiber interface.
The product family covers applications from short-wavelength photonics at 405 nm through telecom wavelengths at 1310 and 1550 nm. Different PM fiber types are therefore used according to the wavelength configuration, including PM405, PM460, PM630, PM780, PM980, PM1300, and PM1550.
Optical performance is also wavelength-dependent. According to the supplied specification, maximum insertion loss ranges from 4.1 dB for the 405/460 nm configurations to 1.6 dB for the 1310/1550 nm configuration, while the minimum extinction ratio ranges from 15 dB to 22 dB.
Multiple interface architectures are available, including MT-FA, MT-MT, MT-MPO, and MPO-MPO. This enables the assembly to be integrated into laser arrays, quantum systems, coherent optical platforms, sensing equipment, and other systems where multiple polarization-maintaining optical channels must be connected within a compact interface.
Coherent optical systems can require multiple fiber channels with controlled polarization orientation.
The PM MT-MPO Assembly combines multiple PM fibers into one high-density interface, reducing the number of individual fiber connections while maintaining a defined relationship between the PM fiber axis and the connector key.
Laser diode arrays can require multiple polarization-sensitive optical channels operating at wavelengths such as 405, 460, 650, 780, 850, 980, or 1064 nm.
The wavelength-specific PM fiber configurations allow the assembly to connect multiple laser channels through an MT/MPO-based multi-fiber interface. Laser diode array coupling is explicitly identified as an intended application.
Quantum optical and sensing platforms may require several polarization-controlled channels within a compact fiber interface.
The 8F, 12F, and 16F configurations provide a multi-channel PM connection format for systems where polarization orientation and fiber density are both important.
Quantum computing/networking and multi-channel sensing/OCT are specifically listed in the supplied product information.
GracyFiber provides passive optical components and fiber assemblies for polarization-sensitive, photonic, and optical communication applications.
Related product capabilities include:
For this PM MT-MPO family, documented configurations cover multiple fiber counts, PM fiber types, wavelength ranges, fiber lengths, optical performance levels, and MT/MPO connectivity arrangements.
| Related Product | Why It Is Related |
|---|---|
| PM Fiber Array | Provides a multi-channel PM fiber interface for photonic devices and precision optical coupling. |
| PM MPO Cable Assembly | Related high-density polarization-maintaining MPO interconnect solution. |
| SM/MM MPO Assembly | Alternative multi-fiber connectivity solution where polarization-maintaining fiber is not required. |
| PM Fiber Coupler | Provides polarization-maintaining optical power splitting or combining. |
| PM Circulator | Provides directional optical routing while maintaining polarization. |
| PM Collimator | Provides a PM fiber-to-free-space optical interface for polarization-sensitive systems. |
Need a PM MT-MPO assembly for a multi-channel polarization-sensitive system?
Send GracyFiber your required:
GracyFiber can review the required PM multi-fiber configuration before quotation.
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