MEMS SWITCHES SW

The SW series are fast, non-latching MEMS switches available both for single mode and multimode fibers. They are available in configurations from 1x2 to 1x32. These switches are mainly used in test and measurement applications.

The MEMS switching structure achieves repeatability of 0.001 dB and shows a very flat Insertion Loss over the full spectrum of the fiber.

FEATURES

• Reliable
• 1 ms response time
• 60 dB crosstalk
• Miniature size
• Non-latching

APPLICATIONS

• Optical Reconfiguration
• Protection Switching
• Network Restoration

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DATASHEET

The SW fiber optic switch is a very fast opto-mechanical switch based on the MEMS technology. The component is designed for fast switching between two single mode fiber ports. The switch is available in 1x1, 2x1, 4x1, 8x1 and 2x2 variants. The highly reliable switching mechanism uses an integrated micromirror and features below 1 ms switching time and only 0.5 dB insertion loss.

The miniature package withstands rugged environ­ments and is well suited for direct mounting on printed circuit boards. The switch is qualified according to Telcordia GR 1221.

DESCRIPTION

The non-latching switch modules are fast and reliable switches designed for single mode fiber instrumentation. The device is based on the latest silicon MEMS technology and uses a micro-mechanical mirror to switch light. Operated by an electrostatic actuator, the switch features fast switching below 1 ms and high crosstalk attenuation above 50 dB. The switch is powered by a 5 V supply voltage. A 5 V TTL or CMOS drive signal is used to control the switching state.

With 0 V on the drive pin (No 2) the switch is in its bar state (port 1 – port 3).

When 5 V are applied to the drive pin, the micromirror is moved out of the optical path, which puts the switch into its cross state (port 1 – port 4).

At power off, i.e. when either the supply voltage or the drive signal falls to 0 V, the switch returns into its bar state.

TECHNICAL SPECIFICATIONS

 UnitMinTypMax
Switch  
Wavelength range nm 1240   1640
Insertion loss  dB   0.5 0.9
Crosstalk  dB   75 50
Back reflection  dB   55 50
Polarisation Dependent Loss  dB   0.04  0.10
Switching Time  ms   0.5 1.0
Switching Voltage  V     5.0
Fiber Pigtail μm 9/125/900
Durability cycles no wear out
Package  
Power Consumption mW   5.0  
Operation Temperature ˚C 0   70
Storage Temperature ˚C -40   85
Size (L x W x H) mm 45 x 24 x 9.5

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     CH 2000 Neuchâtel
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  + 41 32 732 15 20
  + 41 32 732 15 29
  info@sercalo.com

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