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The Exfo IQS-3150-B variable attenuator features an extremely rugged design that only uses two moving parts-a rotating motor for the shutter and a linear motor for the filter-and state-of-the-art electronics. The attenuator’s optomechanical assembly was tested at its highest operating temperature, at a very high relative humidity level, and with a continuous incident optical power of 23 dBm at 1550 nm. Specifications.
Fiber type: 9/125 μm. Wavelength range: 1250 to 1650 nm. Maximum attenuation: ≥ 65 dB. Insertion loss: 1.0 dB (Typical), 1.5 dB (Maximum). Attenuation setting resolution: 0.002 dB (Typical). Attenuation linearity: ±0.1 dB. Attenuation repeatability, 2σ: ±0.01 dB. Spectral uniformity, 1510 nm to 1605 nm: ±0.05 dB. Spectral uniformity, 1450 nm to 1630 nm: ±0.09 dB (Typical). PDL, peak-to-peak: 0.15 dB. Return loss: 60 dB (Typical). Maximum input power: 23 dBm. Transition speed: up to 23 dB/s (Typical). Shutter isolation: >100 dB.
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