AQ6374 Overview and Applications
The Yokogawa AQ6374 measures spectra across visible and near-infrared wavelengths. It is suited to laser and broadband-source characterization and wavelength-dependent fiber-loss measurements. Eight resolution settings let engineers balance spectral detail and measurement needs.
Measurement and Analysis
Seven traces can be displayed together for comparison. Built-in analysis covers laser, LED, optical-filter, and color measurements. A purge connection helps reduce water-vapor absorption within the monochromator. The internal reference source supports optical alignment and wavelength calibration.
Applications and Automation
- Characterize visible-to-telecom laser sources and broadband emitters.
- Measure optical-fiber loss versus wavelength with a suitable external source.
- Evaluate visible LED spectra and color.
- Integrate remote measurements using GP-IB, RS-232, or Ethernet; Ethernet supports TCP/IP and VXI-11 or socket control.
Model and Configuration Notes
Yokogawa lists the AQ6374 as discontinued in November 2023 and identifies the AQ6374E as its successor. This listing describes the AQ6374. Confirm the unit’s connector adapters, supplied accessories, condition, and calibration records with your quotation.
Specification conditions: [A] 0.05 nm resolution. [A–C] 9.5/125 µm SM fiber after internal alignment, without purge gas. [B] Absolute level display, resolution ≥0.2 nm. [C] Specified PC-polished SM fiber. Sensitivity and sweep figures assume pulse mode off. [D] 1,001 points, one average; excludes 570–580 and 900–1000 nm. Performance temperature: 18–28°C. Follow the English guide for complete conditions, warm-up, and calibration.
AQ6374 Technical Specifications
Optical Performance
- Wavelength range
- 350–1750 nm
- Resolution settings
- 0.05, 0.1, 0.2, 0.5, 1, 2, 5, and 10 nm
- Wavelength accuracy
- ±0.2 nm overall; ±0.05 nm at 1523 nm and at 633 nm after 633 nm HeNe calibration [A]
- Wavelength repeatability
- ±0.015 nm over 1 minute [A]
- Minimum wavelength sampling interval
- 0.002 nm
- Sampling points
- 101–100,001; AUTO available
- Level sensitivity
- −70 dBm at 400–900 nm; −80 dBm at 900–1600 nm; HIGH3 [B]
- Maximum safe total input
- +10 dBm at 400–550 nm; +20 dBm at 550–1750 nm [B]
- Level accuracy
- ±1.0 dB at 1550 nm, −20 dBm input, HIGH1–HIGH3 [B,C]
- Level linearity
- ±0.2 dB for −40 to 0 dBm input, HIGH1–HIGH3 [B]
- Close-in dynamic range
- 60 dB at peak ±1 nm (633/1523 nm); 0.05 nm resolution [A]
- Sweep time
- 0.5 s at NORM_AUTO, span ≤100 nm [D]
Fiber Input and Bench Integration
- Supported fibers
- SM 9.5/125 µm; GI 50/125 and 62.5/125 µm; large-core fibers up to 800 µm
- Remote interfaces
- GP-IB, RS-232, Ethernet (TCP/IP); socket and VXI-11 Ethernet modes
- Bench size and mass
- Approx. 426 × 221 × 459 mm (W × H × D), excluding protectors/handle; approx. 19 kg
Vertrieb und Service
- Garantie
- 6 Monate Garantie
- Kalibrierungsstatus
- Kalibrierzertifikat oder Prüfbericht verfügbar (wie in Ihrem Angebot angegeben)
- Vom Hersteller angegebenes Standardzubehör
- Original manufacturer list: one regional power cord (none with -Y); two A9088ZM rubber feet supplied as one sheet; one A1023US manual CD; one each of the Getting Started Guide, China document, safety manual and worldwide contact list. Manufacturer-listed standard accessories are a reference to the original model documentation. They do not guarantee the contents of a used instrument shipment. Confirm the actual supplied items for the specific unit before ordering.
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