World-Class Optical Performance

World-Class Optical Performance
Wavelength range: 600 to 1700nm
High wavelength accuracy: 0.01nm
High wavelength resolution: 0.02nm
Wide dynamic range: 78dB typ.
Wide level range: +20 to -90dBm
Fast measurement: 0.2 sec. (100nm span)
Applicable to single-mode and multimode fibers
Standard and High-Performance Models
There are two models available, Standard and High performance. The High performance model provides even higher wavelength accuracy and dynamic range.
High wavelength resolution: 0.02nm
High Wavelength Accuracy: 0.01nm
High wavelength resolution: 0.02nm
Wide dynamic range: 78dB typ.
Wide level range: +20 to -90dBm
Fast measurement: 0.2 sec. (100nm span)
Applicable to single-mode and multimode fibers

Ultra-High Dynamic Range: 78dB typ.
With the reduced stray-light in the monochromator, AQ6370D achieves ultra-high dynamic range of typ. 78dB.
Standard (-10)
High Performance (-20)

Peak 1.0 nmPeak 0.4 nmPeak 0.2 nm

73 dB62 dB45 dB
73 dB (Typ.78dB)64 dB (Typ.70dB)50 dB (Typ.55dB)
*Resolution setting 0.05 nm
Example of the dynamic rangePeak 1.0nm, Resolution setting 0.05 nm,High dynamic mode: ON, High performance modelSharper Filter Edge
The high performance model can also achieve a higher dynamic range within 0.2nm of the peak wavelength. With the sharper spectral characteristics of the monochromator, spectral signals in close proximity can be separated clearly and measured accurately.

Standard (-10)
High Performance (-20)
Peak 0.2 nmPeak 0.1 nm
55 dB37 dB
58 dB (Typ.60dB)45 dB (Typ.50dB)
*Resolution setting 0.02 nm
Example of the spectral shapeStray-light suppression ratio: 80dB typ.
This new specification provides stray-light suppression capability when High dynamic mode, usually taking longer measurement time, is not used. The AQ6370D contributes to shortening the measurement time with the high stray light suppression ratio. Standard (AQ6370D-10)
High Performance (AQ6370D-20)
73dB
76dB (Typ. 80dB)
*Resolution setting 0.1nm
Example of the stray-light suppression ratioHigh dynamic mode: ON, Resolution setting 0.1 nm, High performance model
Wide Level Range: +20DBm to -90dBm
The AQ6370D can measure high power sources such as optical amplifiers and pump lasers for Raman amplifiers, and very weak optical signals as well. Measurement sensitivity can be chosen from seven categories according to test applications and measurement speed requirements.
Improved level sensitivity: -85dBm (1000 to 1300nm)
Smoothing Function – Reduce noise on the measured spectrum
High dynamic mode – Obtain a better dynamic range by reducing the influence of stray-light, which is caused when the input is a strong optical signal.
Free Space Input
Multimode and single mode fiber on the same OSA.
AQ6370D’s low insertion loss for multimode fiber is also beneficial to maintain the excellent measurement efficiency.
Small insertion loss variation at the input
connector increases measurement repeatability.
No damage connecting fibers
because there is no physical contact.
APC level correction
The APC level correction function corrects the level offset caused by an insertion loss of angled PC connector.Excellent Efficiency
Fast Sweep: 0.2sec./100nm
With an advanced monochromator, faster electrical circuits, and noise reduction techniques, the AQ6370D achieves fast measurement speed even when measuring a steep spectrum from DFB-LD or DWDM signals, or when measuring a low power signal from a broadband light source.
Fast Remote Interface (Ethernet, GP-IB)
Wide Span Sweep yet High Resolution
The 50,001 data sampling points expands measurement range in a single sweep while keeping a high wavelength resolution. This makes your measurement easier and more efficient than conventional systems.Easy Operation
Trace Zooming
Change display conditions, such as center wavelength and span, by clicking and dragging the mouse.
Enlarge your area of interest instantly and move it at will.
Mouse & Keyboard Operation
Front panel operation proven intuitive and easy to use by our many of users.
Even easier with a mouse.
The keyboard helps enter labels and file names.
Easy Data Handling

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