Variable Attenuator (Filter Type)

FEATURES

- Environmentally-friendly
- Easy for installation
- Customized design is available
- Low return loss
- Compact package

SPECIFICATIONS

Insertion Loss

 (dB)

Standard

≦1.5

 Low Loss Version

 Back Reflection 40, 50dB

1

 Low Loss Version

 Back Reflection = 60dB

0.6

 Back Reflection

 (dB)

 Singlemode or PM

40,50 or 60

 Multimode

35

 Power Handling

 40 or 50dB

 Back Reflection

Up to 2 Watts

 60dB Back Reflection

Up to 200mW

 Attenuation Range (1,2)

Up to 80dB

 From 1300nm to 1550nm

<0.3dB

 From 1520nm to 1570nm or

 from 1570 to 1620nm (C and L bands)

Up to 0.05dB

 Available Wavelength (nm) (3)

400-1625

 Temperature Dependence (˚C) (2)

-35 ~ +70

 Typical

±0.3dB change in attenuation

 Maximum

±0.5dB change in attenuation

 Storage Temperature (˚C)

-40 to +85

 Humidity Dependence (10%~90%) (2)

±0.2dB change in attenuation

 Drop Test (4)

±0.2dB change in attenuation

 Vibration (10Hz ~ 55Hz)

≧0.05dB change in attenuation

 Water Immersion Test (5)

±0.1dB

 Polarization Sensitivity

Up to 0.01dB

 Polarization Extinction Ratio (6)

≧20dB Standard

≧25dB Medium (2)

≧30dB Premium (2)





Note:
1. Measured at 23˚C and minimum attenuation.
2. 1300/1550 wavelength modes only.
3. For wavelengths<1290nm, actual wavelengths are specified. Wavelengths from 1290-1625, 1300/1550 are available.
4. After 4 drops (1-meter height) on the hard surface.
5. Over 7-day submersion in water (15 cm) at room temperature.
6. For PM fibers only.
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