
532nm Single Mode In-Line Manual Variable Optical Attenuator
P/N: FIR-532-SM-IL-M-VOA|SKU: 10105
Unit Price
MOQ: 1 pcs
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532nm Single Mode In-Line Manual Variable Optical Attenuator
The 532nm Single Mode In-Line Manual Variable Optical Attenuator is designed for precise optical power adjustment in visible wavelength applications. It enables continuous attenuation by mechanically controlling the optical signal, making it ideal for laboratory testing, system calibration, and laser-based applications.
This device is optimized for 532 nm operation with a insertion loss of ≤1.5 dB and an attenuation range of 1.5–40 dB. It is built using 460-HP fiber to ensure stable transmission performance at visible wavelengths. The attenuator features low polarization dependent loss (≤0.1 dB) and high return loss (≥50 dB), ensuring reliable and consistent signal control.
With a compact inline structure and robust design, it supports up to 100 mW continuous optical power and operates reliably across a temperature range of -5°C to +70°C.
Specifications
Parameter | Unit | Value |
|---|---|---|
Center Wavelength | nm | 532 |
Operating Wavelength Range | nm | ±20 |
Insertion Loss (Max.) | dB | 1.5 |
Attenuation Range | dB | 1.5 - 40 |
Polarization Dependent Loss | dB | ≤0.1 |
Return Loss (Min.) | dB | 50 |
Max Optical Power (CW) | mW | 100 |
Fiber Type | - | 460-HP |
Tensile Load (Max.) | N | 5 |
Package Dimensions | mm | 26 x 18 x 8 |
Operating Temperature | °C | -5 to +70 |
Storage Temperature | °C | -40 to +85 |
Notes: Tested at 25 °C. Data exclude connectors. Adding connectors will increase insertion loss by approximately 0.8 dB, reduce return loss by 5 dB.
Dimensions

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