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Wavelength Division Multiplexers (WDM) Specifications

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Multiplexer Type




           
   Your choices are...
 
      
 
   Wavelength Division Multiplexer (WDM)
 
     A passive device that combines light signals with different wavelengths on different fibers onto a single fiber.
 
   Dense Wavelength Division Multiplexer (DWDM)
 
     An optical (analog) multiplexing technique used to increase the carrying capacity of a fiber network beyond what can currently be accomplished by time division multiplexing (TDM) techniques. Different wavelengths of light are used to transmit multiple streams of information along a single fiber with minimal interference. Dense WDM is a specific type of WDM wherein four or more wavelengths in the 15xx nanometer EDFA gain region are used multiplexed on a fiber. Typical DWDM systems available today for long-distance transmission offer sixteen to forty wavelengths at 2.5 Gbps or 10 Gbps per wavelength.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Cable Type:       
   Your choices are...
 
      
 
   Single Mode
 
     An optical fiber that will allow only one mode to propagate. The fiber has a very small core diameter of approximately 8 µm. It permits signal transmission at extremely high bandwidth and allows very long transmission distances.
 
   Multimode
 
     A fiber optic cable which supports the propagation of multiple modes. Multimode fiber may have a typical core diameter of 50 to 100 µm with a refractive index that is graded or stepped. It allows the use of inexpensive LED light sources and connector alignment and coupling is less critical than single mode fiber. Distances of transmission and transmission bandwidth are less than with single mode fiber due to dispersion.
 
   Single Mode / Multimode
 
     Multiplexer can be used with both single mode or multimode cable types.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Connector Type:       
   Your choices are...
 
      
 
   Biconic
 
     Precision tapered ends for low insertion loss.
 
   D4
 
     Composite zirconia ceramic ferrule for durability. High-performance threading mounting system. Keyed body for repeatability and intermateability.
 
   ESCON
 
     This connector's name derives from its application in IBM's ESCON channel interface.  It is similar to the FDDI connector-a duplex connector using 2.5-mm ferrules.  The main difference is its retractable shroud as opposed to a fixed shroud.
 
   FC
 
     All-zirconia ceramic ferrule for durability, high-performance threading mounting system. Keyed body for repeatability and intermateability. Primarily used with single mode fibers. Used in telephone, instruments and high-speed communication links.
 
   FDDI
 
     Designed by ANSI for use in FDDI networks.  This connector is a duplex connector using two 2.5-mm ferrules.  This connector has a fixed shroud that protects the ferrules from damage.
 
   LC
 
     Precision PC polished Zirconia ceramic ferrule. RJ45 push-pull style housing and latching. Half the size of standard connectors. For private and public networks.
 
   Loopback
 
     This connector is used in testing transceiver systems.
 
   MTP
 
     A threaded type fiber optic connector.  Ideal for high density applications.
 
   MT-RJ
 
     The MT-RJ uses a ferrule smaller than the standard MT to hold two fibers.  It also uses a press to release latch quite similar to that found on the modular jack to make its operation familiar.
 
   MU
 
     1.25mm diameter ferrule for compact multiple optical connectors and self-retentive mechanism for backplane applications. For high-speed data communications, voice networks, telecommunications and high-density DWDM applications.
 
   SC
 
     High-precision ceramic ferrule. Snap-in locking mechanism for positive latching. Keyed body for repeatability and intermateability. Ideal for high-density applications.
 
   SMA
 
     Low cost multimode coupling with approval for military applications.
 
   ST
 
     Precise zirconia ceramic ferrule. Easy-to-assemble, one-piece bayonet mounting system. For both single mode and multimode fibers using in communication applications.
 
   Other
 
     Any other fiber optic connector type not listed.
 
   Search Logic:      Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Wavelength Division Multiplexer




   WDM Wavelength:       
   Your choices are...
 
      
 
   632 nm / 820 nm
 
      
 
   980 nm / 1064 nm
 
      
 
   980 nm / 1480 nm
 
      
 
   980 nm / 1550 nm
 
      
 
   1064 nm / 1310 nm
 
      
 
   1310 nm / 1550 nm
 
      
 
   1310 nm / 1625 nm
 
      
 
   1480 nm / 1550 nm
 
      
 
   1550 nm / 1625 nm
 
      
 
   Other
 
      
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   WDM Bandwidth:
 
     Wavelength Division Multiplexers operate within two wavelength windows.  Bandwidth is the size of the windows in nm.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
Dense Wavelength Division Multiplexer




   DWDM Wavelength Range:
 
      
 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   DWDM Channel Spacing:      It is the center-to-center difference in frequency between neighboring channels in a WDM, i.e. 200 GHz, 100 GHz and moving toward 50GHz.
   Your choices are...
 
      
 
   200 GHz
 
     200 GHz corresponds to a .4 nm spacing between channels in a fiber.
 
   100 GHz
 
     100 GHz corresponds to a .2 nm spacing between channels in a fiber.
 
   50 GHz
 
     50 GHz corresponds to a .1 nm spacing between channels in a fiber.
 
   Other
 
     Any other DWDM channel spacing.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Multiplexer Performance




   Number of Channels:
 
     Number of inputs and outputs on the multiplexer.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Insertion Loss:
 
     The attenuation caused by the insertion of the multiplexer in an optical transmission system.
 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Polarization Dependent Loss:
 
     The maximum deviation in insertion loss across all input polarization states.
 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Isolation:
 
     The measure of light at an undesired wavelength at any given port. 
 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
Multiplexer Features




   Rack Mountable?
 
     The multiplexer is rack mountable.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Wavelength Add / Drop?
 
     Multiplexer offers the functionality of adding and dropping channels during operation.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   LED Indicators?
 
     The multiplexer comes equipped with LED indicators for monitoring power or synchronization.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
Environment




   Operating Temperature:
 
     This is the full required range of ambient operating temperature.
 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Operating Humidity:
 
     This is the full required range of ambient operating humidity.
 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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