Optical Channel Monitor / Optical Performance Monitor


   
 

Product Description - Optical Channel Monitor /Optical Performance Monitor

Optoplex Optical channel monitor (OCM), also known as Optical performance monitor (OPM), uses proprietary thin-film interference filter technology combined with a micro-actuator and high-speed electronics. Optical channel monitor / Optical performance monitor is used to measure critical information data on optical transmission signals in DWDM networks for monitoring signal dynamics, determining system functionality, identifying performance change, and providing feedback for controling network elements so as to optimize operational performance. In particular, Optoplex Optical channel monitor / Optical performance monitor can automatically scan the C-, L- and/or C+L-band wavelength range and precisely measure channel wavelength, power, and optical signal-to-noise ratio (OSNR) with a 60 dB dynamic range. See the following schematic diagram for OPM working principle.

Block diagram of Optical performance monitor / Optical channel monitor

Operating through a continuous wavelength scan and built-in wavelength reference with optical tunable filter technology, Optoplex's Optical channel monitor / Optical performance monitor has a high wavelength accuracy and resolution with a low channel cross-talk. Built with Optoplex's high-isolation and wide passband thin-film filter and assembled together with high-grade single detector, Optoplex's Optical channel monitor / Optical performance monitor increases channel power measurement accuracy and dynamic range. Using an innovative optical design and high-grade single-element InGaAs detector, channel OSNR measurement range is increased to >30 dB. Further, the Optical channel monitor / Optical performance monitor includes a built-in filter driver and PCB to control and interface with all data-processing electronics. DPRAM, RS-232, or USB interfaces are available and can be customized to meet specific requirements. Optoplex's Optical channel monitor / Optical performance monitor has passed Telcardia GR-468-CORE tests. Moreover, the Optical channel monitor / Optical performance monitor device features compact size and low cost.

 
 

Features and Benefits of Optical Channel Monitor:

  • High Dynamic Range
  • Low Temperature Sensitivity
  • High Reliability and Repeatability
  • High Power and Wavelength Accuracy
  • Built-in Wavelength Reference
  • Compact Size
  • Firmware Upgradeable
  • 25 GHz and 33 GHz Channel Spacing Available
  • Copackaged 2-in-1 OPM/OCM avaialble
  • Telcordia GR-468 Qualified

 
 

Applications of Optical Channel Monitor:

 
 

Standard Specifications of Optical Channel Monitor1:

Parameter
Unit
100 GHz
50 GHz
Wavelength Range
nm
C band or L band
Channel Number
-
43
85
Adjacent Channel Power Difference
dB
< 13
Non-adjacent Channel Power Difference
dB
< 20
Minimum Spacing Between Channels
GHz
75
40
Channel Input Power Range
dBm
-40 to -10
Absolute Channel Power Accuracy
dB
± 0.5
Relative Channel Power Accuracy
dB
± 0.3
Power Measurement Repeatability
dB
± 0.1
PDL
dB
< 0.3
Absolute Wavelength Accuracy
pm
± 50
Relative Wavelength Accuracy
pm
± 30
Channel Wavelength Resolution
pm
40
OSNR2
dB
> 28
> 25
OSNR Accuracy2
dB
± 1.5
Noise Floor
dBm
- 55
Response Time
ms
200 (Wavelength and Power)
500 (Wavelength, Power & OSNR)
Power Consumption
W
< 2
Electronics Interface
-
RS232/DPRAM
Operating Temperature
°C
-5 to 65
Storage Temperature
°C
-40 to 85
Dimension3
mm
100x70x17.5 (Compact)
220x110x40 (Custom)

Notes:
1. Certain parameter specs can be varied based on customer demands.
2. Optional feature. Its values at lower input power level are limited by noise floor.
3. Including PCB.

 

Typical Performance of Optical Channel Monitor:

OPM performance measurements



 

Product Request and Ordering Information:

Please speak to Optoplex Sales persons. If you request costom-designed Optical channel monitor / Optical performance monitor product, please provide the following parameters:

  • Wavelength range
  • Channel spacing
  • Channel input power range
  • Power accuracy
  • Wavelength accuracy
  • Fiber length
  • Optical connector type
  • Electrical interface

 
Copyright © 2000-2008 Optoplex Corporation. All Rights Reserved