MEMS Multimode Variable Fiber Optical Attenuator With Input Tap

(Φ 6mm, 850nm, 1000nm)

The MEMS Series Multimode VOA is based on a micro-electro-mechanical mechanism featuring integrated compact design, simple construction, easy direct drive, and excellent optical performance of ultra low insertion loss, low PDL, and broad wavelength operation range. The VOA integrated with input tap power monitor is able to monitor the input power and adjust the attenuation to control the output power. The MM series VOA is designed for multimode fiber application. The MM series VOA is available in either normally-open or normally-closed configurations and with an integrated input tap option. The VOA is driven by applying an electrical voltage

 

MEMS Multimode Variable Fiber Optical Attenuator With Input Tap

The MEMS Series Multimode VOA is based on a micro-electro-mechanical mechanism featuring integrated compact design, simple construction, easy direct drive, and excellent optical performance of ultra low insertion loss, low PDL, and broad wavelength operation range. The VOA integrated with input tap power monitor is able to monitor the input power and adjust the attenuation to control the output power. The MM series VOA is designed for multimode fiber application. The MM series VOA is available in either normally-open or normally-closed configurations and with an integrated input tap option. The VOA is driven by applying an electrical voltage  
Parameters Min Typical Max Unit
Wavelength 700 850 1000 nm
 Insertion Loss1 0.6 0.8 dB
 Polarization Dependent Loss2 0.2 0.5 dB
 Wavelength Dependence Loss3,4 0.4 0.7 dB
 Attenuation Range 25 30 35 dB
 Attenuation Resolution Continuous
 Polarization Mode Dispersion2 0.005 0.01 0.05 ps
 Return Loss 20 25 dB
 Response Time 3 6 ms
 Tap Response @ 850nm 5 10 15 mA/W
 Tap Directivity NA/20 dB
 Tap Wavelength Dependence Response 0.01 0.02 0.04 dB/nm
 Tap Temperature Dependence Response 0.01 dB/°C
 Dark Current for PD 5 nA
 Dark Current for APD 0.05 nA
 3dB Bandwidth (cutoff frequency) 1 MHz
Tap Capacitance for PD 1.5 pF
Tap Capacitance for APD 15 pF
 Storage Temperature -40 85 oC
Reliability Telcordia 1209 and 1221
Package Dimension5 F6.1 X 35.2 mm

 

Notes:

  1. Without connector and in room temperature
  2. At attenuation equal or less than 20dB
  3. At 0dB attenuation and in whole temperature range
  4. Within 30nm Bandwidth
  5. Length can be shorter (minimum=25mm)
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