Agilent Technologies Agilent 8164A Guía de usuario descargar pdf (Pagina 92)

Performance Tests Power Tests

92 Agilent 81600B Tunable Laser Source Family, Fourth Edition

At the start of the test the TLS is set:

• To any fixed wavelength, preferably to a wavelength where the highest

specified output power can be achieved,

• To the maximum output power specified for this wavelength or, if a built-

in attenuator is used, to 0 dBm.

• Such that any modulation is off.

The output power is measured and compared to the displayed power

value. For simplicity, the start value is defined as a reference, and all

subsequent differences between the measured and displayed power

values are compared to this reference.

Output power is decremented in 1 dB steps.

At the end of the test, the TLS is set to its minimum output power.

Test Procedure - Low SSE output

This test procedure is applicable to the:

It measures the power linearity of the module at the outputs indicated.

1 Set up the equipment as shown in Figure 26:

Figure 26 Test Setup for Power Linearity Tests

2 Move to the TLS channel of the Agilent 8164A/B Lightwave

Measurement System and set the [Menu] parameters to:

3 Set the inital wavelength and power of the TLS to:

Agilent 81600B #200 (Output 1, Low SSE)

Agilent 81600B #160 (Output 1, Low SSE)

Agilent 81600B #150 (Output 1, Low SSE)

Agilent 81600B #140 (Output 1, Low SSE)

Agilent 81600B #130 (Output 1, Low SSE)

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Agilent Technologies Agilent 8164A Guía de usuario Pagina 92