Switchable Fiber Optical Splitter/Coupler - NanoSpeed™

100ns rise/fall, low loss, bidirectional, polarization insensitive, all wavelengths
Features:
  • High Speed
  • High Reliability
  • Low Loss
  • Temperature Stable
  • Compact

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SKU: NSSS

The Switchable Fiber Optical Splitter in 1×2 format splits an incoming optical signal into two output optical fibers with the capability of switching between two splitting ratios. The initial split ratio should be predefined in design, while the second split ratio will be preset in delivery.  When the control signal is low (<0.8V), the splitter sustains in an initial ratio. When apply the high control voltage (3~5V), the splitting ratio will be switched from the initial ratio to the secondary one. The device is bidirectional, transmitting light in both directions simultaneously. In the 2×2 format, the input light from two input will be split into two output in the similar way of 1×2 format, but the splitting ratio is reversed each other between two input light. The switchable Fiber Optic Splitter has passed Telcordia reliability qualification tests as well as aerospace qualifications. It is designed to meet the most demanding requirements of ultra-high reliability, fast response time, and continuous operation.

The unit is mounted on a driving board having a control signal input SMC connector and a wall plug-in power supply.  Available with several drivers having performance optimized for various repetition rate.

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Switchable Ratio Splitter  Min Typical Max Unit
Central Wavelength 450 2000 nm
Insertion Loss[1] 1260~1650nm 0.6 1 dB
900~1260nm 0.8 1.3 dB
760~900nm 1 1.5 dB
650 -850 1.5 1.9 dB
450-580 2 2.5 dB
Cross Talk at 100% splitter [2] 20 25 35 dB
Splitting ratio [3]

 

Initial 0 100 %
Switching 0 100 %
Type Continuous
Response Time (Rise, Fall) 1000 Ns
Repetition Rate [4] DC 500 kHz
Polarization Dependent Loss   0.1 0.35 dB
IL Temperature Dependency 0.25 0.5 dB
Polarization Mode Dispersion 0.1 0.2 Ps
Return Loss 45 50 60 dB
Operating Temperature -5 70 oC
Optical Power Handling [5] 300 mW
Storage Temperature -40 85 oC
Package Dimension 65.8×8.5×8.4 mm

[1] Excluding connectors.

[2] Cross talk is measured at 5kHz, which may be degraded at the high repeat rate.

[3] The initial ratio must be predefined. The switching ratio will be preset in delivery.

[4] High repetition rate (up to 1MHz) is available in the premium version, please contact us.

[5] Defined at 1310/1550nm. For the shorter wavelength, the handling power may be reduced.