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OPTICALMEASURINGINSTRUMENTS

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1Wavelength: 1300 nm

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2Measurement interval: 100 ms, average: 10 times, peak to peak noise, wavelength: 1300 nm

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3SM fiber (ITU-T G.652), return loss: ≥ 45 dB, wavelength: 1550 nm

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4Reference conditionsSM fiber (ITU-T G.652), master FC connector Power level: 100 µW (–10 dBm), CW light, wavelength: 1300 nm, ambient temperature: 23Ëš ±2ËšCAt day of calibration, warm-up: 1 h (MU931311A) and 30 min (MU931421A/931422A)

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5Operating conditionsSM Fiber (ITU-T G.652), master FC connector, CW light, any wavelength in 1000 to 1600 nm (MU931311A) and 1000 to 1650 nm (MU931421A/931422A),power level: 100 µW (–10 dBm), ambient temperature: 23Ëš ±5ËšC, within 1 year after calibration, warm-up: 1 h (MU931311A) and 30 min(MU931421A/931422A), Uncertainty increase by 1% if either a fiber other than a SM fiber (ITU-T G.652) or an APC connector is used with the MU931422A.

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6Measurement conditions: Constant temperature within 23Ëš ±5ËšC, bandwidth: auto/0.1/1/10 Hz, any wavelength in 1000 to 1600 nm (MU931311A) and 1000 to 1650 nm (MU931421A/931422A), CW light, power level: 100 µW (–10 dBm) reference, warm-up: 1 h (MU931311A) and 30 min (MU931421A/931422A)

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7Only record measurements for measurement interval of ≤ 100 ms

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8Full-scale value for each measurement range

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9Approx. 3 dB bandwidth. Response time at bandwidth setting of 100 kHz varies according to analog output amplitude

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10 Specify connector for optical connector option supplied as standard accessory. If connector not specified, FC (Option 37) supplied as standard.

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MU931431A Optical Sensor (high-power)

Input type Fiber Applicable optical fiber9/125 to 62.5/125 µm (NA: ≤ 0.29), PC, APC polish conformity Wavelength range 940 to 1640 nm Optical power measurement range
∗ 1 CW: +33 to –50 dBm Noise level
∗ 2 ≤ –43 dBm Polarization dependency
∗ 3 PC connector: ≤ ±0.025 dB, APC connector: ≤ ±0.05 dB
∗ 4 Optical power measurement accuracyReference conditions : ±4% Operating conditions
∗ 5 : ±5% Linearity
∗ 6 ±0.05 dB ±30 nW (+33 to –40 dBm) Zero set operation Automatic zero calibration Wavelength sensitivity correctionMeasurement wavelength input in 0.01 nm units Measurement interval
∗ 7 1 ms to 99 h 59 min 59 s Average setting 2 to 1000 times Analog output
∗ 8 Approx. +2 V Bandwidth select
∗ 9 Auto, manual Manual setting: 0.1, 1, 10, 100 Hz, 1, 20 kHz Optical connector
∗ 10 FC, ST, DIN, HMS-10/A, SC, MU, LC Environmental conditions Operating temperature/humidity: 0 to +40ËšC/ ≤ 90% (no condensation)Storage temperature/humidity: –40 to +71ËšC/ ≤ 95% (no condensation) Dimensions and mass 41 (W) x 78 (H) x 335 (D) mm, ≤ 880 g

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1 Wavelength: 1550 nm

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2 Measurement interval: 100 ms, average: 10 times, peak to peak noise, wavelength: 1550 nm

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3 SM fiber (ITU-T G.652), return loss: ≥ 45 dB, wavelength: 1550 nm

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4 Reference conditions,Connector adapter, SM fiber (ITU-T.G.652), APC connectorPower level 1 W (+30 dBm), CW light, and wavelength 1550 nmAmbient temperature 23Ëš ±2ËšC, humidity 60 % ±10 % Warm-up time 30 minutes, day of calibration.

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5 Operating conditionsConnector adapter, SM fiber (ITU-T G.652), APC connector, power level: 1 W (30 dBm)CW light, wavelength: 980 ±1 nm, 1240 to 1340 nm, 1440 to 1640 nmAmbient temperature: 23Ëš ±5ËšC, within 6 months after calibration warm-up: 30 min Uncertainty increase by 1% if either NA ≤ 0.29 fiber is used.2 % added when wavelength besides above are used (However, humidity 60 % ±10 %)

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6 Measurement conditionsConstant temperature within 23Ëš ±5ËšC, any wavelength in 1000 to 1650 nm, CW light, power level: 1 W (+30 dBm) referenceBandwidth: auto/0.1/1/10 Hz, warm-up: 30 min

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7 Only record measurements for measurement interval of ≤ 20 ms

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8 Full-scale value for each measurement range

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9 Approx. 3 dB bandwidth

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10 Specify connector for optical connector option supplied as standard accessory. If connector not specified, FC (Option 37) supplied as standard. Element InGaAs-PD

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