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Shenzhen Gracyfiber Technology Co., Ltd.

  • China,Shenzhen ,Guangdong
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China Polarization Maintaining MVOA PM Variable Optical Attenuator 1310nm 1550nm 980nm
China Polarization Maintaining MVOA PM Variable Optical Attenuator 1310nm 1550nm 980nm

  1. China Polarization Maintaining MVOA PM Variable Optical Attenuator 1310nm 1550nm 980nm

Polarization Maintaining MVOA PM Variable Optical Attenuator 1310nm 1550nm 980nm

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Packaging Details 26*18*8mm
Name Variable Optical Attenuator
Fiber Type SM98-PS-U25A, SM13-PS-U25A or SM15-PS-U25A or PMBI-R5-13-U25D
Coating Diameter 245 µm
Polarization Mode Dispersion ≤ 0.5 ps/km
Beat Length 3.5 mm
Numerical Aperture 0.12
Cladding Diameter 125 µm
Payment Terms L/C, T/T
Delivery Time 5-8 work days
Supply Ability 100,000 pieces per month
Model Number PMMVOA-X-XXXX-X-X-XX/XXX-XX*XX
Place of Origin Guangdong , China
Brand Name Gracyfiber
Certification ISO9001 , ROHS

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  1. Product Details
  2. Company Details

Product Specification

Packaging Details 26*18*8mm Name Variable Optical Attenuator
Fiber Type SM98-PS-U25A, SM13-PS-U25A or SM15-PS-U25A or PMBI-R5-13-U25D Coating Diameter 245 µm
Polarization Mode Dispersion ≤ 0.5 ps/km Beat Length 3.5 mm
Numerical Aperture 0.12 Cladding Diameter 125 µm
Payment Terms L/C, T/T Delivery Time 5-8 work days
Supply Ability 100,000 pieces per month Model Number PMMVOA-X-XXXX-X-X-XX/XXX-XX*XX
Place of Origin Guangdong , China Brand Name Gracyfiber
Certification ISO9001 , ROHS
High Light PM Variable Optical AttenuatorVariable Optical Attenuator 1310nmPolarization Maintaining VOA Optical Attenuator

Polarization Maintaining MVOA PM Variable Optical Attenuator 1310 1550 980 1060nm High Precision Low Loss For Optical Test Lab And Power Calibration

1. Product Overview

  The Polarization Maintaining MVOA is a polarization-maintaining variable optical attenuator (PM MVOA) specially designed for polarization-sensitive systems. It enables continuous and precise control of optical power through accurate attenuation adjustment. The product covers the 1310nm / 1550nm communication bands and the 980nm / 1060nm laser bands, with a typical attenuation range of 0.6 to 50/60 dB, a low intrinsic insertion loss as low as 0.6 dB, while maintaining a high extinction ratio of ≥20 dB (typical 22 dB) and a return loss of ≥50 dB. The device features a highly reliable mechanical structure and polarization-maintaining fiber, making it ideal for fine power control in optical passive device test platforms, laboratory optical paths, and optical communication system test links.

2. Product Advantages
  • Low intrinsic loss, large dynamic range: Maintains low insertion loss across the full attenuation range, minimizing the impact on the power budget of the entire test or system link.
  • High extinction ratio, stable polarization characteristics: Typical PER of 22 dB, effectively distinguishing slow and fast axes in polarization-maintaining fiber systems, making it more suitable for polarization-related measurements and PM device testing.
  • High-precision adjustability: Attenuation adjustment accuracy up to 0.02 dB, suitable for applications requiring fine-grained power scanning, calibration, and closed-loop control.
  • High power handling capability: Can handle optical power up to ≤800 mW, compatible with most medium-power communication, amplification, and experimental platforms.
  • High reliability design: Complies with Telcordia GR-1209, GR-1221, and RoHS requirements, offering excellent long-term stability and environmental adaptability.
3. Product Features (Key Features)
Type
Parameter
Values
Center Wavelength (nm) 1310 & 1550 980 & 1060
Operating Wavelength Range (nm) ±40 980±20 or 1060±30
Max. Original loss (dB) 0.6 0.6 0.6 0.7
Attenuation range (dB) 0.6 ~ 60 0.6 ~ 50 0.6 ~ 60 0.7 ~ 50
Extinction Ratio (Typical) (dB) ≥20 (22) ≥20 (22)
Return Loss (dB) ≥50 ≥50
Adjustment Precision (dB) 0.02
Power Handling (mw) ≤800
4. Package Outline
Module Dimensions:

  Main body size 26 * 18 * 8 mm (L*W*H), compact metal package, easy to integrate within modules or chassis.

Mechanical Structure:

  Optical fibers extend from both sides of the module body, with mounting holes on the top surface for convenient screw fixing on trays or optical boards.

  Mechanical drawings show an overall length (including stress relief structures) of approximately 98 mm, main body height of 8 mm, width of 18 mm, and small thickness, suitable for high-density layouts.

Fibers and Pigtails:

  Standard single-core polarization-maintaining fiber pigtail, length and jacket can be configured according to selection information (250 μm bare fiber / 0.9 mm / 2.0 mm / 3.0 mm).

5. Applications
  • Testing of passive optical devices and modules
  • Optical fiber communication systems and link power calibration
  • Optical laboratories and research platforms
  • Online power adjustment and protection for various polarization-maintaining fiber systems

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2014

  • Employee Number:

    150~200

  • Ecer Certification:

    Verified Supplier

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  • Shenzhen Gracyfiber Technology Co., Ltd.
  • 4/F,Building D ,ZhiXuanHan Yuanling Industrial Park,ShiYan Sub-District,Baoan District,Shenzhen City,Guangdong Province,China
  • https://www.gracyfibers.com/

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