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Fiber Connectivity
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Passive Networking
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Splicer & Accessories
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5G Solutions

Passive Networking

Fiber Attenuator Terminator

Lightem attenuators come to you from a world class manufacturing facility plant, suitable for applications in computer networking, telecommunications and cable TV etc.

FTTX
Fiber attenuator

FIBER ATTENUATOR/TERMINATOR​

Inline Fixed Attenuator​

Lightem In-line Attenuator is ideal for application where space is critical. The patchcord type configuration allows direct linkage without any additional device in between. Built-in attenuation value patchcord is designed to provide accurate fixed attenuation value from 1-20dB (1dB step up), 25dB and 30dB over a wide range of wavelengths.
Available in PC or UPC finish, providing ultra low return loss. Lightem In-line Attenuators come to you from a world class manufacturing facility plant, suitable for applications in computer networking, telecommunications and cable TV, etc.

Parameters Singlemode (9/125 μm) Multimode (GI 50/125,62.5/125 μm)
Attenuation value
0dB to 20dB (1dB step), 25dB, 30dB
0dB to 25dB (1dB step)
Operating wavelength
1260nm ~ 1620nm
850nm or 300nm, 1310nm
Attenuation Tolerance
± 0.5 dB
± 0.5 dB
Return Loss - SPC
⩾ 40dB
UPC
⩾ 55 dB
APC
⩾ 65 dB
Max. Power Capability
<0.1 dB
Operating Temprature
-40°C to + 75°C
-40°C to + 75°C
Fiber-Attenuator

FIBER ATTENUATOR/TERMINATOR​

Inline variable Attenuator

Lightem patch cord type variable attenuator, is ideal for the application where the fine tune of the attenuation value is required. This high performance device is designed to give an accurate attenuation range of 0.5-30dB over a wide range of wavelengths. The patch cord type configuration allows the direct linkage to both ends without any additional device in between. Available in PC or APC finish, providing ultra low return loss. Lightem patch cord, variable attenuators come to you from a world class manufacturing facility plant, suitable for applications in computer networking, telecommunications and cable TV etc.

Parameters Singlemode Multimode
Fiber Type
1 dB ~ 20 dB
50/125μm, 62.5/125μm
Attenuation value
0.5 dB ~ 30 dB
Operating wavelength
1310 / 1550 nm
1300 nm
Return Loss
≤-50dB (UPC)
------------
Durability
0.2 dB Max.
Available Connector
FC, SC, ST, LC, MU
Operating Temprature
-20°C to + 70°C
Storage Temperature Range
-20°C to + 70°C
lightem-module attenuator

FIBER ATTENUATOR/TERMINATOR​

module variable Attenuator

  • Wide Wavelength Range
  • High Attenuation Range
  • High Resolution
  • Low Cost
  • Excellent Environmental Stability and Reliability

Parameters Values
Operating Wavelength Range
1310 ±40 and/or 1550 ±40 or 1260 - 1620 nm
Attenuation Range
0.5~40 dB
Max. Insertion Loss
0.5 dB
Max. PDL
0.15 (0~20dB), 0.3dB (20~40dB)0.6 dB
Attenuation Resolution
<0.2 (0~20dB), <0.4dB (20~40dB)
Min. Return Loss
55 dB
Power Handing
300 MW
Fiber Type
SMF-28e fiber or Specify
Operating Temperature
0°C ~ +60°C
Storage Temperature
-40°C ~ +85°C
Package Dimension (L X W X H)
20 X 20 X 15 mm
Attentuator

FIBER ATTENUATOR/TERMINATOR​

plug type Attenuator

Lightem Plug type attenuators are used in the network to reduce the optical power launched onto the photo detector. These high performance devices are designed to give accurate attenuation over a wide range of wavelengths. The plug type configuration allows you to use directly on the ends of the fiber jumpers and to insert directly into the adapter. Available in PC or APC finish, providing ultra low return loss.

Parameters Singlemode Multimode
Attenuation value
1 dB ~ 20 dB
Operating wavelength
1310 / 1550 nm
850 or 1300 nm
Return Loss
≤-50dB (UPC)
------------
≤-60dB (APC)
------------
Attenuation Tolerance 1 ~ 7 dB
± 0.5 dB
8 ~ 12 dB
± 0.7 dB
13 ~ 17 dB
± 1.0 dB
18 ~ 20 dB
± 1.3 dB
Polarization Dependent Loss
<0.1 dB
----------
Operating Temprature
-40°C to + 85°C
Storage Temperature Range
-40°C to + 85°C
lightem-splitter

FIBER ATTENUATOR/TERMINATOR​

Polarization Insensitive Optical Circulator

  • Low insertion loss
  • Wide band high isolation
  • Low PDL
  • Compact in-line package
  • High stability and reliability
  • Epoxy free on optical path

Parameters P Grade A Grade
Configuration
Port 1 to Port 2 to Port 3
Operating wavelength 1310
1295 ~ 1325
C Band
1530 ~ 1570
Max. Insertion Loss - Typical
0.6
0.8
Maximun
0.8
1.0
Wavelength Dependent
< 0.5
Channel max. Isolation
> 40
Channel min. Isolation
> 50
Channel Crosstalk
> 50
Polarization Dependent Loss
< 0.15
Polarization Mode Dispersion
< 0.10
Return Loss
> 50
Optical Power Handling
< 300
Operating Temperature
0°C ~ +70°C
Storage Temperature
-40°C ~ +85°C
Package Dimension
Ø 5.5 x 60(L) Ø 5.5 x 63(L) for 900μm loose tube
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