Anritsu - Optical Spectrum Analyzer (OSA) (Updated: 05 Dec 2022)


MS9740B


Anritsu MS9740B Optical Spectrum Analyzer (OSA)
Anritsu MS9740B Optical Spectrum Analyzer (OSA)

Description

The benchtop Optical Spectrum Analyzer MS9740B features wide dynamic range, high resolution, and fast sweep speeds over a wavelength range of 600 nm to 1750 nm. It supports multimode fiber input and is ideal for manufacturing and evaluating 850-nm band VCSEL modules.

As well as keeping the same functions and performance as its predecessor, the MS9740B slashes measurement processing times by up to half(Rx bandwidth setting: 1 kHz or 200 Hz) while overcoming problems of decreased measurement sensitivity caused by increased processing speed.

Moreover, it retains optical active device (LD-Module, DF-LD, FP-LD, LED, PMD, WDM, Opt Amp, and WDM Filter) measurement menu screens for evaluating devices. It supports all-at-once measurements of key evaluation items, such as optical center wavelength, level, OSNR, spectrum width, etc., and displays these results at one screen.

ms9740b_features

GPIB Interface, SMSR Measurement Time (DFB Light Source), VBW: 1 kHz_Fast (MS9740B)/1 kHz(MS9740A) Setting, 0.1-nm Resolution, 30-nm Sweep Width, 1001 Sample Points

Key Features

  • Wide dynamic range and high-speed measurement at optical receiver bandwidths used commonly by customers within production lines for optical active devices
    • SMSR measurement at 45 dB minimum
    • Maximum measurement processing time(Sweeping in Fast mode; total time required for wavelength sweep, analysis, and data transfer to remote server) of 0.35s (sweeping 30-nm wavelength)
  • Same key functions and performance as predecessor, supporting various production-line environments
    • Wide wavelength band (600 nm to 1750 nm) for evaluating all optical active devices
    • Nine application menus for LD-module, WDM, etc., measurements

Basic Performance

Parameters / Characteristics Specifications
MS9740B MS9740B-009
Applicable optical fiber SM fiber (ITU-T G.652), 50μm/125μm GI fiber SM fiber (ITU-T G.652), 50μm/125μm GI fiber, 62.5μm/125μm GI fiber
Optical connector User replaceable: FC, SC, ST, DIN
Wavelength measurement range 600 nm to 1750 nm
Wavelength accuracy*1 ±20 pm (1520 nm to 1620 nm, Resolution: 0.03 to 0.2 nm)*2
±100 pm (1520 nm to 1620 nm, Resolution: 0.5, 1.0 nm)*2
±300 pm (600 nm to 1520 nm)*2
±200 pm (1520 nm to 1570 nm)*2
±300 pm (1570 nm to 1750 nm)*2
±50 pm (1530 nm to 1570 nm, Resolution: 0.07 to 0.2 nm)*2
±100 pm (1530 nm to 1570 nm, Resolution: 0.5, 1.0 nm)*2
±300 pm (1570 nm to 1750 nm)*4
Setting resolution 0.03, 0.05, 0.07, 0.1, 0.2, 0.5, 1.0 nm (0.03 nm, 0.05 nm only 1550 nm band and room temperature) 0.07, 0.1, 0.2, 0.5, 1.0 nm
Maximum input power +23 dBm (Optical ATT: On)
Dynamic Range*1 High dynamic range: 70 dB (±1 nm from peak wavelength), 60 dB (±0.4 nm from peak wavelength), 42 dB (±0.2 nm from peak wavelength)

Normal dynamic range: 62 dB (±1 nm from peak wavelength), 58 dB (±0.4 nm from peak wavelength), 42 dB (±0.2 nm from peak wavelength)

[Wavelength: 1550 nm, Resolution: 0.05 nm, Optical Att: Off, 20° to 30°C]
High dynamic range: 70 dB (±1 nm from peak wavelength, 20° to 30°C), 60 dB (±0.5 nm from peak wavelength, 20° to 30°C) 65 dB (±1 nm from peak wavelength, 5° to 45°C), 55 dB (±0.5 nm from peak wavelength, 5° to 45°C)

Normal dynamic range: 62 dB (±1 nm from peak wavelength, 20° to 30°C), 58 dB (±0.5 nm from peak wavelength, 20° to 30°C) 57 dB (±1 nm from peak wavelength, 5° to 45°C), 53 dB (±0.5 nm from peak wavelength, 5° to 45°C)

[Wavelength: 1550 nm, Resolution: 0.07 nm, using SM fiber, Optical Att: Off]
Sweep*1 Sweep time: ≤0.2 s (span: 5 nm, Resolution: 0.1 nm), ≤0.3 s (span: 500 nm)
[VBW: 10 kHz, Normal dynamic range, center 1550 nm (span: 5 nm), 1200 nm (span: 500 nm), sweep start to stop, no optical input, sampling point: ≤501]

Sweep time: 0.35 s / 30 nm (typ.)
[VBW: 1 kHz- Fast, dynamic range, center 1550 nm, Resolution: 0.1 nm, sweep start to stop, optical input -10 dBm, sampling point: 1001]

Sweep time: 1,65 s / 30 nm (typ.)
[VBW: 200 Hz-Fast, dynamic range, center 1550 nm, Resolution: 0.1 nm, sweep start to stop, optical input -10 dBm, sampling point: 1001]
Dimensions and Mass 426 (W) × 177 (H) × 350 (D) mm (excluding projections) ≤15.0 kg (without option)

*1: Warm-up the instrument for at least 2 hours before measurement by performing repeated sweeping at span ≥ 100 nm, VBW ≥ 10 kHz. Perform waveform calibration after auto-optical alignment (WI Cal) and keep the instrument at the same temperature unless stated otherwise. Use either SM fiber (ITU-T G.652) or GI fiber (50μm/125μm) with a return loss of >40 dB, or GI fiber (62.5μm/125μm) with a return loss of >38 dB
*2: Built-in MS9740B-002, after Wl cal (ref) wavelength calibration execution, at stable room temperature
*3: After Wl cal (Ext) wavelength calibration execution by external light source, such as Single Longitudinal mode laser (DFB-LD), using SM fiber
*4: After Wl cal (Ext) wavelength calibration execution by external light source, such as DFB-LD, using SM fiber or GI fiber (50μm/125μm or 62.5μm/125μm)


Options

Options Descriptions
Main Frame MS9740B Optical Spectrum Analyzer
Standard Accessories Z2024A*1 MS9740B Operation Manual (CD): 1 pc
Power Cord: 1 pc
Options (Optical Connector)*2 MS9740B-037 FC Connector
MS9740B-038 ST Connector
MS9740B-039 DIN 47256 Connector 
MS9740B-040 SC Connector
Options (Interface) MS9740B-001 GPIB Interface
MS9740B-101 GPIB Interface Retrofit
Options (Light Source for Wavelength Calibration)*3, *4 MS9740B-002 Light Source for Wavelength Calibration
MS9740B-102 Light Source for Wavelength Calibration Retrofit
Options (Multimode Fiber Interface)*5, *6 MS9740B-009 Multimode Fiber Interface (50/62.5 μm)
Option (Windows OS) MS9740B-108*7 OS Upgrade to Win10 Retrofit

*1: CD contains Operation Manual for Main Frame and Remote Control.
*2: One free specified optical connector for optical input port.
*3: When Light Source For Wavelength Calibration option selected, one more connector specified in (2) supplied free.
*4: Executing wavelength calibration with this option secures ±20 pm (1520 nm to 1620 nm, without MS9740B-009) accuracy. The MS9740B supports wavelength calibration with the external light source, such as DFB-LD, but this option assures higher accuracy. Refer to the specifications for details.
*5: Factory option and Retrofit not supported.
*6: Optical Spectrum Analyzer MS9740B standard not guaranteed. Refer to Multimode Fiber Interface Option MS9740B-009 Standard.
*7: This option upgrades the Windows Embedded Standard 7 to the Windows 10 Enterprise LTSC. It is performed by Anritsu factory or service center return.



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