Agilent Technologies 8156A manual Isolator must not move during and between all measurements

Models: 8156A

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Performance Tests

 

V. Polarization Dependent Loss (PDL): Optional

 

 

CA UT I O N

The patchcord from the source to the polarization controller - with the

 

isolator - must not move during and between all measurements.

 

The patchcords between the polarization controller and the optical

 

head must not move from the beginning of the reference measurements

 

until these are finished.

 

3. Zero the 8153A.

 

 

a.

Ensure that the laser source is switched off.

 

b.

Press MENU to change the Measure Mode.

 

c. Press ZERO and wait while zeroing.

 

4. Set up the laser source.

 

a.

Set the laser source to 1550 nm (nominal), switch the laser

 

 

on, and allow 5 minutes for the laser to settle.

 

b. Note the actual wavelength in the test record.

 

5. Set up the power meter.

 

a.

Set the power meter to the actual wavelength.

 

 

Press PARAM until the wavelength is displayed, then use the

 

 

modify cursor keys to set the actual wavelength.

 

b. Set the averaging time to 100 ms.

 

 

Press PARAM until the averaging time is displayed, then use

 

 

the modify cursor keys to set the averaging time to 100 ms.

 

c.

Set the display to W.

 

 

Press DBM/W.

 

6. Set the polarization filter of the 8169A to maximize the signal.

 

a.

Reset the position of all plates.

 

 

Press HOME on the polarization controller.

b. Select the polarization filter.

You may need to press POS and/or Pol if the filter is not

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Agilent Technologies 8156A manual Isolator must not move during and between all measurements, Until these are finished

8156A specifications

Agilent Technologies 8156A is a high-performance optical source offering advanced capabilities for testing and characterizing optical systems. Specifically designed for applications in telecommunications and data communications, the 8156A stands out due to its precision, versatility, and reliability, making it an essential tool for engineers and researchers in the telecommunications industry.

One of the main features of the 8156A is its ability to generate a stable, accurate, and tunable optical signal. This optical source operates across a wide wavelength range, typically from 1260 nm to 1675 nm, covering key regions used in fiber optics. The tunable laser module is particularly beneficial for applications requiring the testing of fiber optic components, systems, and networks, enabling users to specify any wavelength within this range.

The device employs advanced technologies, including distributed feedback (DFB) laser technology, offering low noise and high output power while ensuring minimal phase and frequency jitter. This results in precise measurements that are crucial for evaluating the performance of optical devices. The 8156A also features a built-in optical power meter, allowing for seamless integration and real-time monitoring of optical power levels during testing.

Another significant characteristic of the 8156A is its user-friendly interface, which includes easy-to-read displays and intuitive controls. This design simplifies operation, allowing users to set up tests quickly and efficiently. Additionally, it provides various output options, including single-mode and multi-mode fiber interface compatibility, expanding its usability across different applications.

The 8156A is equipped to handle numerous protocols and systems, including passive optical networks (PON), optical transport networks (OTN), and traditional wavelength-division multiplexing (WDM) technologies. Its agility in adapting to various protocols enhances its role in research and development settings.

Moreover, the device offers a range of automation features, enabling users to script complex measurement sequences, making it an adaptable solution for both laboratory and field environments. Combined with its robust build quality, the Agilent Technologies 8156A optical source not only ensures reliable operation but also provides a long service life, making it a valuable investment for any optical testing application.