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Mini Type Manual Variable Attenuator (MVOA Series)

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Product Name: Mini Type Manual Variable Attenuator (MVOA Series)

Mini Type Manual Variable Attenuator (MVOA) operates by manually moving a shading element into optical beam. The shading element can be integrating adjusted to get any attenuation value in a range. MVOA features low insertion loss, good resolution, high stability and good reliability. It applies for pre-emphasis attenuation, transmitter power control, in-line power equalization, and amplifier power control, etc.


Specifications

Parameter

Unit

Value

Operating Center Wavelength(λc)

nm

850, 1064, 1310

Operating Wavelength Range

nm  ±30, ±50, ±60

Max. WDL, 23℃, minimum attenuation

dB

1, 0.5, 0.3

Max. Excess Loss

dB

 to 60 (continuous)

Min. Attenuation Range

dB

20

Max. PDL (for SM fiber type), 23℃, λc, minimum attenuation 

dB

0.05

Max. TDL at attenuation range, λc**

dB/℃

0.01

Min. Return Loss (for SM or PM fiber)

dB

55

Max. Optical Power (Continuous Wave)

mW

300

Operating Temperature

0 to 70

Storage Temperature

-40 to + 85

Fiber Type

   HI 780C, HI 1060, SMF-28e+

 *IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower for each connector added.

**TDL is exempted when attenuation value over 30 dB.

*** PM 1310 fiber for 1310 nm and 3155 nm, PM 1550 fiber for 1480 nm and 1550 nm.

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