Precision MEMS Variable Attenuators

Features:
  • Low Loss
  • 0.1dB Repeatable
  • Broadband
  • 65dB Attenuation
  • USB or RS232
  • SM, PM, MM
  • Linear Response

Single-Mode Selection

Fiber Type SM460
 SM600 780HP Hi1060 SM28 SM2000
Wavelength Range (nm) 480-650 620-650 760–980 980–1250 1250–1650 1700-1300
Insertion Loss (dB) < 5 < 3 ≤ 2 ≤ 2 ≤ 1.5 ≤ 1.5
Maximum Attenuation (dB) > 30 > 30 > 30 > 30 > 30 > 30
Max Optical Power (W) 0.05 0.1 0.1 0.2 0.3 0.3
Polarization DL 0.4 dB @ 20 dB 0.3 dB @ 20 dB 0.3 dB @ 20 dB 0.2 dB @ 20 dB 0.2 dB @ 20 dB 0.2 dB @ 20 dB
Return Loss (dB) ≥ 45 ≥ 45 ≥ 45 ≥ 45 ≥ 45 ≥ 45
Operating Temperature 0 to 50°C 0 to 50°C 0 to 50°C 0 to 50°C 0 to 50°C 0 to 50°C
Storage Temperature -50 to 85°C -50 to 85°C -50 to 85°C -50 to 85°C -50 to 85°C -50 to 85°C
Price $𝟩𝟨𝟦 $𝟨𝟦𝟫 $𝟨𝟥𝟫 $𝟧𝟥𝟫 $𝟦𝟧𝟧 $𝟣,𝟤𝟩𝟢
Datasheet
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Polarization-Mode Selection

Fiber Type PM460
 PM630
 PM780 PM980 PM1550
Wavelength Range (nm) 460-700 620-650 760–1100 960–1200 1260–1650
Insertion Loss (dB) < 5 < 3 ≤ 2 ≤ 2 ≤ 1
Maximum Attenuation (dB) > 30 > 30 > 35 > 35 > 35
Extinction Ratio (dB) > 16 > 16 > 16 > 16 > 18
Return Loss (dB) ≥ 35 ≥ 35 ≥ 35 ≥ 35 ≥ 35
Max Power (mW) 50 100 100 100 300
Operating Temperature 0 to 70°C 0 to 70°C 0 to 70°C 0 to 70°C 0 to 70°C
Storage Temperature -50 to 90°C -50 to 90°C -50 to 90°C -50 to 90°C -50 to 90°C
Price $𝟪𝟫𝟤 $𝟪𝟥𝟢 $𝟩𝟧𝟫 $𝟩𝟢𝟥 $𝟨𝟪𝟧
Datasheet
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Multi-Mode Selection

Fiber Type 62.5/125
Wavelength Range (nm)
 800–1600
Insertion Loss (dB)
 ≤ 1
Maximum Attenuation (dB)
 30
PDL (dB)
 0.01
Return Loss (dB)
 ≥ 35
Max Optical Power (W)
 0.3
Operating Temperature 0 to 50°C
Storage Temperature -40 to 85°C
Price $𝟨𝟤𝟣
Datasheet
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Questions About This Product

SKU: PMOA

The PMOA Series Precision Variable Optical Attenuator (VOA) delivers fast response and precision attenuation with calibrated performance curves, enabling rapid and repeatable adjustments with excellent long-term stability. The design ensures low insertion loss, high repeatability, and drift-free operation under varying environmental conditions. The PMOA supports a wide range of fiber types, including single-mode, multimode, and polarization-maintaining, and operates across a broad spectral band from 750 to 2400 nm. This turnkey unit includes USB and RS232 interfaces with GUI software supporting sequential programming for automated control. A PCB sub-mount version is also available, offering UART control and 0–5 V power input for seamless OEM system integration.

Spec Sheet (PDF)

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