Polarization-Maintaining (PM) Fusion Splicers are essential tools for building high-performance optical systems—especially in industries where polarization control directly affects signal integrity. These include fiber lasers, interferometric sensors, coherent communication systems, and quantum optics applications.
But PM fusion splicers are complex, highly sensitive instruments—and even a minor misalignment, electrode wear, or encoder error can lead to sub-micron fusion errors, insertion loss, or degraded polarization extinction ratio (PER).
At Aumictech, we specialize in advanced repair, calibration, and precision optical alignment services for PM fusion splicers including models from Fujikura (FSM-100PM, FSM-45PM, FSM-40PM, FSM-20PM) and other leading OEMs.
📩 For service quotes or technical inquiries, email us: sales@aumictech.com
🔍 What Is a PM Fusion Splicer?
A PM fusion splicer is a specialized optical splicing device that precisely aligns and fuses two polarization-maintaining optical fibers while preserving the slow axis alignment critical for polarization fidelity.
Unlike standard splicers, PM splicers use:
- Dual-axis or 3-axis core alignment mechanisms
- Real-time image processing (core/cladding detection)
- Rotational encoders for slow axis orientation
- Automated PER estimation
- High-temperature, arc-discharge fusion chambers
The result: a low-loss, high PER splice, typically better than -60 dB, required in quantum optics, fiber amplifiers, coherent LiDAR systems, and gyro sensors.
🧪 Why PM Splicers Require Specialized Calibration
Regular PM splicer calibration is not optional—it is critical to ensure:
- Proper slow-axis core alignment
- Consistent arc discharge stability
- Minimal splice loss (<0.02 dB typical)
- Accurate PER estimation
- Valid X/Y/Z motor movement and feedback
- Correct camera-to-core registration
- Arc power uniformity across varying fiber types
Without proper maintenance and periodic recalibration, even high-end splicers like the Fujikura FSM-100PM+ or FSM-45PM may begin to fail gradually, leading to production errors or faulty optical modules.
⚠️ Common Issues We Fix in PM Fusion Splicers
Our engineers at Aumictech are trained to identify and repair mechanical, electrical, optical, and firmware-related faults in advanced fusion splicers.
Here are the most common issues we resolve:
❌ Arc Failure or Arc Instability
- Symptoms: Weak or uneven fusion, error codes like “Arc Power Error” or “Discharge Failure”
- Solution: Electrode cleaning or replacement, arc calibration, and power tuning
❌ PER Measurement Inaccuracy
- Caused by aging photodiodes or optical misalignment.
- We restore accurate polarization extinction ratio estimations with internal alignment and testing.
❌ Axis or Motor Failure (X/Y/Z or Rotational)
- Encoder drift, backlash, or failed motor driver ICs
- We realign, recalibrate, or replace faulty axis systems and encoders
❌ Camera & Image Processing Failures
- Faulty image sensors lead to poor core detection or wrong splice positions.
- We recalibrate image-to-axis mapping and sensor focus alignment.
❌ Touchscreen, Display, or Booting Issues
- UI stuck in bootloop, frozen display, or error logs
- We perform firmware reinstallation, board diagnostics, and system reconfiguration
❌ Dirty or Damaged Fiber Clamps, V-Grooves, and Cleave Interfaces
- Affects splice loss and repeatability
- We perform deep clean and reconditioning of fiber handling components
🔧 What’s Included in Aumictech’s PM Fusion Splicer Service
When you send your PM fusion splicer to Aumictech, we don’t just replace a part—we perform complete functional, optical, and mechanical testing to restore the device to factory-grade performance.
✅ Full Functional Diagnosis
- Motor travel tests (X, Y, Z, θ)
- Fiber core detection test
- Real-time axis image tracking
✅ Arc Calibration & Electrode Testing
- Arc discharge uniformity and power control
- Replacement with OEM-spec electrodes
- Arc count reset and thermal profile optimization
✅ Polarization Alignment Testing
- Alignment of slow axis using rotational encoders
- PER test using reference PM fibers
✅ Fiber Handling Inspection
- Clamp pad tension, fiber cleave surface inspection
- V-groove cleaning and groove depth check
✅ Firmware & Software Check
- Bootloader, memory, and user settings reflash
- System self-check test report
✅ Final QA + Documentation
- Pre/post service performance chart
- Arc power stability log
- Service report with recommended maintenance schedule
🔬 Models We Service
We specialize in the repair and calibration of PM fusion splicers from leading manufacturers.
🔹 Fujikura
- FSM-100PM / FSM-100P / FSM-100M+
- FSM-45PM / FSM-40PM / FSM-20PM
- ARCMaster series
🔹 Other Brands We Support
- AFL Fujikura PM series
- Sumitomo T-81M+ PM Splicer
- Photon Kinetics (PK) PM Splicing platforms
- Vytran LFS / FSM-PM series
- JILONG PM series
If your model isn’t listed, just email sales@aumictech.com — we’ll check compatibility and provide a free estimate.
🏭 Industries That Rely on PM Splicers (And Our Services)
Our clients operate in high-precision environments where signal integrity is non-negotiable. We proudly support:
- Fiber Laser Manufacturers
- Telecom DWDM & Coherent Networks
- Quantum Optics Labs
- Medical & Biomedical Device R&D
- Optical Gyroscope (FOG) and IMU Manufacturers
- Defense & Aerospace Sensor Systems
- Photonic Integrated Circuit Developers
When polarization, coherence, or low-loss connections are mission-critical, Aumictech ensures your tools are always ready.
⚙️ Why Choose Aumictech?
We’re not a general repair shop—we are optical system specialists with hands-on expertise in polarization, signal integrity, and fiber handling.
🔧 Key Advantages:
- ✅ Factory-grade alignment & arc calibration
- ✅ Technicians trained in PM fiber fusion
- ✅ NIST-traceable validation where applicable
- ✅ Fast turnaround (typically 5–10 business days)
- ✅ Detailed repair logs & service reports
- ✅ No outsourcing — all work performed in-house
- ✅ Priority services available for production-critical clients
🚚 Easy Process — How to Send Us Your PM Splicer
- Email sales@aumictech.com with:
- Splicer model
- Problem description or error codes
- Photos (if available)
- Preferred turnaround time
- We’ll respond within 1 business day with:
- A free service estimate
- Shipping instructions
- After inspection:
- You’ll receive a diagnostic report + final quote
- Upon approval, work begins immediately
- We return the unit with:
- Calibrated electrodes
- Service documentation
- Warranty coverage for repairs
🔗 Related Aumictech Services
If you also use high-end optical test instruments alongside your PM fusion splicer, we’ve got you covered:
- 👉 Optical Spectrum Analyzer Calibration
- 👉 Wavelength Meter Repairs (Bristol, HighFinesse)
- 👉 RF and Signal Analyzer Repair Services
- 👉 Fusion Splicer Electrode Replacements & Kits
Ready to Restore Peak Splice Performance?
Your PM fusion splicer is the backbone of your optical lab or manufacturing line. Aumictech ensures it performs with repeatability, low loss, and perfect polarization every time.
📧 Email us now: sales@aumictech.com
⏱️ Fast service. Precision calibration. Trusted across industries.
Aumictech — Restoring Fusion Splicers to PERfection.
