Looking for professional repair or calibration services for your Yokogawa AQ6370E Optical Spectrum Analyzer? At Aumictech, we provide certified, expert-level diagnostics, component-level repairs, and NIST-traceable calibration for one of the most advanced OSAs in the market today.
The AQ6370E is a flagship optical spectrum analyzer designed for next-gen optical technologies. Whether you’re testing DWDM systems, optical components, fiber lasers, or silicon photonics, the precision of your measurements is everything. If your OSA is drifting, throwing errors, or failing to perform, Aumictech will restore it to like-new factory performance — or better.
About the Yokogawa AQ6370E OSA – Latest in Precision Optical Testing
The Yokogawa AQ6370E is the most recent model in the industry-renowned AQ6370 series and is widely used across telecom, datacom, research, and component manufacturing sectors for its ability to:
- Measure wavelength from 600 nm to 1700 nm
- Offer 0.02 nm resolution bandwidth
- Deliver high-speed, real-time sweep analysis
- Display broad dynamic range up to 80 dB
- Handle burst and modulated signals
- Feature built-in optical alignment utilities and analysis software
The AQ6370E is used in production lines, national labs, and silicon photonics foundries around the world — but even this advanced instrument requires routine calibration and occasional repairs to keep performing at its best.
What Can Go Wrong – Common Issues with the AQ6370E
The AQ6370E is a highly sensitive optical instrument. Over time and with heavy use, various issues can occur that affect performance:
🔧 Wavelength Drift or Measurement Inaccuracy
- Caused by optical bench misalignment, aging light source references, or environmental changes
- We recalibrate using gas cell references and NIST-traceable lasers to restore precision
🔧 No Optical Signal Detected / Low Sensitivity
- May result from photodiode degradation, contaminated input optics, or internal alignment shift
- We test and restore the entire signal path, replacing filters or detectors as needed
🔧 Boot Errors or System Freezing
- Firmware corruption, HDD failure, or memory issues can prevent startup
- We perform full diagnostics, firmware reinstallation, or memory upgrades
🔧 Noisy Traces or Unstable Baseline
- Indicates noise from internal ADCs, power supply fluctuation, or sensor instability
- We isolate and repair internal electronic circuits and recalibrate baseline detection
🔧 Damaged Optical Connectors or Input Ports
- Frequent coupling/decoupling can lead to worn FC/SC connectors or broken sleeves
- We inspect and replace input ports and realign front-end optics
Each repaired AQ6370E undergoes a full system validation, including fiber input alignment, internal temperature stability testing, and sweep performance benchmarking.
Full Calibration Services – NIST-Traceable, Comprehensive, Certified
Aumictech’s calibration services for the AQ6370E ensure your OSA’s performance is traceable, reproducible, and production-ready.
We calibrate and verify:
- ✔️ Absolute wavelength accuracy
- ✔️ Dynamic range and sensitivity
- ✔️ Resolution bandwidth (RBW) profiles
- ✔️ Level linearity
- ✔️ Optical signal-to-noise ratio (OSNR) accuracy
- ✔️ Sweep speed consistency
- ✔️ Noise floor and measurement uncertainty
- ✔️ Display performance and trace response
Our calibration process includes:
- Use of broadband and narrow-line laser sources
- Reference spectrum comparison with traceable standards
- Performance testing across the C-band, L-band, and O-band
- A detailed digital calibration certificate featuring:
- Before-and-after calibration data
- Environmental test conditions
- Uncertainty analysis
- Calibration standard traceability
- Date of service and recommended recalibration date
What You Get with Aumictech Service
When you choose Aumictech for your AQ6370E repair and calibration, we provide:
- 🛠️ Full diagnostics and error log review
- 🧰 Component-level repair of optical and electrical systems
- 🧼 Cleaning and restoration of fiber input ports and connectors
- 🔍 Internal optics realignment
- ⚙️ Software update or re-flash (if required)
- 📊 Pre- and post-service test results
- 📄 NIST-traceable calibration certificate
- 🔁 15-day ROR (Return on Repair) support
- 📦 Secure packaging and insured return shipping
We support both standard AQ6370E models and customized factory configurations used in production automation or research.
Who Uses the AQ6370E — And Relies on Aumictech
This model is used globally by engineers and scientists working in:
- Telecom DWDM systems and ROADM testing
- Laser diode and fiber laser development
- Silicon photonics research and packaging
- Quantum optics and high-resolution spectroscopy
- National metrology labs and government research
- University optical engineering departments
- Photonic integrated circuit (PIC) prototyping and testing
When every 0.01 nm matters, Aumictech ensures your AQ6370E delivers the accuracy and repeatability you need.
Supported Models in the AQ6370 Series
While this post focuses on the AQ6370E, we also provide repair and calibration for the entire AQ6370 family, including:
- Yokogawa AQ6370A
- AQ6370B
- AQ6370C
- AQ6370D
- AQ6370E (latest model)
- AQ6373 and AQ6375 series (longer wavelength OSAs)
For legacy or specialized units, just contact sales@aumictech.com with the model and serial number, and we’ll confirm support and service options.
Turnaround, Shipping, and Global Support
- 🕒 Standard turnaround: 5–10 business days
- ⚡ Rush service: 1–3 business days (subject to availability)
- 🌎 International clients supported — customs documentation included
- 📦 Tracked and insured return shipping
- 🎫 Annual maintenance plans and calibration reminders available
Your OSA is returned fully tested, certified, and ready for immediate use.
How to Request Service
- Email sales@aumictech.com with:
- Your model (e.g., AQ6370E)
- Description of symptoms or calibration request
- Serial number and recent usage info (if available)
- We’ll send a:
- Custom quote
- RMA instructions and shipping guidelines
- Ship your OSA to Aumictech
- Receive it back fully restored, certified, and performance-verified
We also offer bulk service quotes for labs running multiple OSAs or test benches.
Why Choose Aumictech?
- ✅ Specialists in optical metrology systems
- ✅ Familiar with both legacy and newest Yokogawa models
- ✅ Faster turnaround than OEMs
- ✅ Transparent, detailed reports and documentation
- ✅ Cost-effective calibration and repair bundled
- ✅ Flexible scheduling for R&D and production clients
We’ve helped R&D teams, telecom operators, and photonics engineers minimize downtime, maintain accuracy, and extend the life of critical test assets.
Bring Your AQ6370E Back to Peak Performance
Your Yokogawa AQ6370E Optical Spectrum Analyzer is a vital part of your optical lab or production line. Don’t risk signal loss, compliance failure, or inaccurate characterization. Trust Aumictech to restore, recalibrate, and optimize your instrument with the highest standard of service.
📧 Contact sales@aumictech.com to request a quote, ask a technical question, or schedule service today.
Precision starts with confidence — and Aumictech delivers both.
