Agilent Technologies 81642A Manual de usuario descargar pdf (Pagina 34)

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Systems & Polarization Analysis

Agilent 86038B Photonic Dispersion and Loss Analyzer (preliminary)

Group Delay and Differential Group Delay Measurement

Relative Group Delay Repeatability

<0 dB to –10 dB level ± 20 fs

<–10 dB to –20 dB level (characteristic) ± 150 fs

<–20 dB to–30 dB level (characteristic) ± 500 fs

<–30 dB to –40 dB level (characteristic) ± 5 ps

Relative Group Delay Uncertainty (<0 dB to –10 dB level) ± 50 fs

Differential Group Delay Repeatability ± 50 fs

Differential Group Delay Uncertainty (<0 dB to –10 dB level) ± 90 fs

PMD Uncertainty ± 0.03 ps + 7%

2nd-order uncertainty (typ) PCD based on DGD uncertainty

Group Delay Time Resolution 1 fs

Modulation Frequency Range 5 MHz to 2.5 GHz

Group Delay Loss Range 50 dB

Measurements performed at the same temperature as the normalization temperature ± 0.5C. Performance measured using a 2.2 meter thermally isolated SMF patch cord.

Modulation frequency = 2 GHz. IFBW = 70 Hz, 1 nm wavelength step size. Repeatability is defined as the worst (plus or minus) standard deviation over the TLS wavelength range from 10 sweeps.

Length Measurement

Length Uncertainty (typ) ± 0.2mm +5x10-6L for L<56km.

Amplitude Measurement

Polarization Dependent Loss Accuracy ± 0.15typ ( 0.03 dB with Option #400)

System dynamic range (characteristic) 50 dB

Gain Loss Uncertainty ± 0.1 dB typ. ( 0.02 dB with Option #400)

Wavelength Measurement

Wavelength Range

with Agilent 81600B-200 Tunable Laser Source 1440 nm to 1640 nm

with Agilent 81600B-160 or 81640B 1495 nm to 1640 nm

with Agilent 81600B-150 1450 nm to 1590 nm

with Agilent 81600B-140 1370 nm to 1495 nm

with Agilent 81600B-130 1260 nm to 1375 nm

with Agilent 81640A 1510 nm to 1640 nm

Minimum Wavelength Step Size 0.1 pm

Absolute Wavelength Accuracy

a,b

Stepped mode with Agilent 86122A (typ.) ± 1 pm

Swept mode without Agilent 86122A and with 81600B or 81640B <5pm

Stepped mode without Agilent 86122A and with 81640A ± 15 pm

Relative Wavelength Accuracy

a,c

Stepped mode without Agilent 86122A and with 81600B or 81640B ± 5 pm

Stepped mode without Agilent 86122A and with 81600B or 81640B (characteristic) ± 2 pm

Stepped mode without Agilent 86122A and with 81640A ± 7 pm

Stepped mode with Agilent 86122A and with 81640A (characteristic) ± 3 pm

Valid for one month and within a ±4.4 K temperature range after automatic wavelength zeroing. Measured with wavelength meter based on wavelength in vacuum.

For details, refer to tunable laser's absolute wavelength accuracy specification.

For details, refer to tunable laser's relative wavelength accuracy specification.

Optical Fiber Chromatic Dispersion Measurement

CD accuracy 0.1ps/nm +0.3%CD

Zero Dispersion Wavelength Accuracy (characteristic)

± 150 pm

Zero Dispersion Wavelength Repeatability (characteristic)

±9 pm

Accuracy of dispersion slope at the zero dispersion wavelength (characteristic)

± 25 fs/nm2

Repeatability of dispersion slope at the zero dispersion wavelength (characteristic)

± 3 fs/nm2

Derived from GD specification.

General Information

Assembled Dimensions: (H x W x D) 55.5cm x 43.5cm x 55.5cm

Net Weight Standard system: 54 kg

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Agilent Technologies 81642A Manual de usuario Pagina 34

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