VIAVI / Series · Optical Spectrum Analyzers

VIAVI MAP Series mOSA-C1 Optical Spectrum Analyzer Module

Grating-based optical spectrum analyzer module for the MAP-300 platform with 20 pm resolution bandwidth across 1260 to 1660 nm.

Fiber type
SM 9/125
Connector
FC/APC and SC/APC
Built-in calibration light source
Yes (manual connection)
Chassis compatibility
MAP-300 Series
View Models Datasheet

Overview

The VIAVI MAP Series Optical Spectrum Analyzer (mOSA-C1) is a diffraction grating based spectral measurement system built on a monochromator design. It covers the full single-mode fiber range from 1260 to 1660 nm, with a C- and L-band only version also available, and is packaged as a single-slot module for the MAP-300 mainframe family.

The module combines a 20 pm resolution bandwidth with a full-span scan of 1.6 s over more than 400 nm, making it suitable for both laboratory and production-line use. Traces can be acquired at a full 1 pm sampling resolution at maximum scan speed, and the available memory allows users to zoom and pan through the complete data set after acquisition. Low-power signals are averaged over multiple individual scans.

Platform and software

As part of the MAP LightDirect family, the mOSA-C1 can be combined with other MAP optical application modules to test coherent and client transceivers, source lasers, optical amplifiers and passive components. The graphical user interface is accessible over a web connection, through an HDMI monitor, or on a mainframe version with an integrated touchscreen. Markers, trace math and automated referencing are built in, and optional analysis licenses add passive component, transceiver, amplifier and CW source analysis.

Automation and calibration

Remote control uses SCPI-compliant commands over Ethernet, with an optional GPIB port on the MAP mainframe. Two automation methods are offered: a "Direct-to-Module" command set for trace set-up, acquisition and download, and an "Application Environment" interface with advanced parameter-extraction functions. An internal calibration source with an acetylene gas cell and a broadband light source supports a fully automatic wavelength calibration that takes a few minutes.

Models in this series

Model Description
MOSA-C1CLG1A-M100-MFA
MAP Series mOSA-C1 MOSA-C1CLG1A-M100-MFA C- and L-band Optical Spectrum Analyzer Module
C- and L-band grating-based optical spectrum analyzer module for the VIAVI MAP-300 mainframe, covering 1500 to 1655 nm with 20 pm resolution bandwidth.
Details →
MOSA-C1A1G1A-M100-MFA
MAP Series mOSA-C1 Optical Spectrum Analyzer Module MOSA-C1A1G1A-M100-MFA (All Band, 1260 to 1660 nm)
Single-slot MAP-300 grating-based optical spectrum analyzer module covering 1260 to 1660 nm with 20 pm resolution bandwidth and manual calibration.
Details →

Key Features

  • 20 pm resolution bandwidth
  • 1.6 s measurement time at full span and at full 1 pm resolution
  • 1260 to 1660 nm, and C/L-band only option
  • >60 dB dynamic range
  • PDL 0.2 dB at 1550 nm
  • Single slot MAP-300 module
  • Flexible analysis function licensing
  • Embedded wavelength calibration artifact with acetylene gas cell and broadband light source
  • Fully automatic calibration process
  • Web-accessible graphical user interface, HDMI monitor support or integrated touchscreen option
  • Drag-and-drop markers, trace memory and trace math
  • SCPI remote automation over Ethernet, optional GPIB on the mainframe
  • Direct-to-Module and Application Environment remote automation methods

Specifications

General
Fiber type SM 9/125
Connector FC/APC and SC/APC
Might require MAP Series FC/APC–SC/APC mating sleeve (AC503); purchased separately
Built-in calibration light source Yes (manual connection)
Chassis compatibility MAP-300 Series
Spectral
Wavelength range
MOSA-C1A1G1A-M100-MFA
1260 to 1660 nm (237.9 to 180.6 THz)
Wavelength range
MOSA-C1CLG1A-M100-MFA
1500 to 1655 nm (199.86 to 181.14 THz)
Wavelength span
MOSA-C1A1G1A-M100-MFA
0.1 nm to full span
Wavelength resolution accuracy 5%
Wavelength repeatability ± 2.0 pm
Measured over 1 minute
Wavelength accuracy
MOSA-C1A1G1A-M100-MFA
± 10 pm (1550 to 1660 nm); ± 15 pm (1260 to 1550 nm)
Temperature condition at 23 ±3°C; after wavelength calibration with built-in reference light source
Wavelength accuracy
MOSA-C1CLG1A-M100-MFA
± 10 pm
Temperature condition at 23 ±3°C; after wavelength calibration with built-in reference light source
Wavelength linearity
MOSA-C1A1G1A-M100-MFA
±10 pm between 1277-1653 nm
Minimum resolution bandwidth
MOSA-C1A1G1A-M100-MFA
20 pm (1260 to 1635 nm); 35 pm (1635 to 1660 nm)
For all wavelengths below 1635 nm, ± 35 pm elsewhere
Minimum resolution bandwidth
MOSA-C1CLG1A-M100-MFA
20 pm
For all wavelengths below 1635 nm, ± 35 pm elsewhere
Minimum sampling resolution 1 pm
For all ranges below 300 nm
Close-in dynamic range (±200 pm from peak)
MOSA-C1A1G1A-M100-MFA
> 45 dB
Measured at 20 pm resolution bandwidth with 20 averages
Close-in dynamic range (±200 pm from peak)
MOSA-C1CLG1A-M100-MFA
> 35 dB
Measured at 20 pm resolution bandwidth with 20 averages
Sweep Time
10 nm span
MOSA-C1A1G1A-M100-MFA
0.8 s | 5.5 s (10 averages)
100 nm span
MOSA-C1A1G1A-M100-MFA
1.1 s | 7.0 s (10 averages)
1500 to 1655 nm (155 nm)
MOSA-C1A1G1A-M100-MFA
1.5 s | 8.5 s (10 averages)
1260 to 1660 nm (400 nm)
MOSA-C1A1G1A-M100-MFA
2.7 s | 13.0 s (10 averages)
Datasheet front page and description state 1.6 s at full span
Sweep time (full wavelength range)
MOSA-C1CLG1A-M100-MFA
1.6 sec. (Single Sweep); 10.6 sec. (10x averages)
Power
Maximum input power +20 dBm per channel full range
Maximum safe input power +25 dBm total input power
Level sensitivity
MOSA-C1A1G1A-M100-MFA
-62 dBm (1530 to 1660 nm); -60 dBm (1260 to 1520 nm)
Measured at 20 pm resolution bandwidth with 20 averages; IEC 61746-2 Section 3.24 - Noise level at 98% on 10 nm windows
Level sensitivity
MOSA-C1CLG1A-M100-MFA
-60 dBm
Measured at 20 pm resolution bandwidth with 20 averages; IEC 61746-2 Section 3.24 - Noise level at 98% on 10 nm windows
Maximum dynamic range
MOSA-C1A1G1A-M100-MFA
65 dB (1500 to 1655 nm); 60 dB (1260 to 1550 nm)
Maximum dynamic range
MOSA-C1CLG1A-M100-MFA
65 dB
Level accuracy ± 0.5 dB
With VIAVI Master SM fiber with FC/APC connector
Level linearity ± 0.1 dB
Level flatness 0.2 dB (1500 to 1655 nm)
Polarization dependence 0.2 dB at 1550 nm
Measured with a broadband source; datasheet page 3 text states 0.05 dB polarization sensitivity
Optical return loss > 55 dB
With VIAVI Master SM fiber with FC/APC connector
Other
Warm-up time Minimum 1 hour
Humidity 15 to 80% RH
Operating temperature 15 to 35°C (59 to 95°F)
Dimensions 4.1 x 13.3 x 37.0 cm (1.6 x 5.22 x 14.58 in)
Weight 1.3 kg (2.8 lb)
Calibration period 1 year
Reliability/lifetime 1x10^9 scans of continuous operation

Applications

  • DWDM coherent module test
  • IEEE client module test (O-band)
  • Gain and noise figure measurements
  • CWDM and DWDM component test
  • CW source characterization
  • OSNR measurements

Options & Accessories

Option Description
mSUP-OSA-PCOMP-A Passive Components — Optional analysis module for CWDM and DWDM filter parameters
mSUP-OSA-TX-A Transceiver (Client and Lineside) — Optional analysis module for coherent and client optics: CW, OSNR
MSUP-OSA-AMP-A Amplifier License — Optional analysis module for optical amplifiers: noise figure, gain
mSUP-OSA-CWSRC-A CW Source License — Optional analysis module for DFB, FP, LED and TLS sources: side mode suppression, central wavelength, number of modes, bandwidth
AC502 FC/APC-FC/APC Universal Connector Adapter — Replacement mating sleeve
AC503 FC/APC-SC/APC Universal Connector Adapter — Replacement mating sleeve

Documents & Resources