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Does the 8156A optical attenuator work at 850 nm?
No. The wavelength range is 1200 to 1650nm.

FAQ 2011-07-06

Are all of the TLSs shipped standard with an optical attenuator on the output?
The 81480A/81640A/80A all have a 60dB attenuator, 0.001 dB steps.

FAQ 2011-07-06

Can the 81003FD be used with the 81002FF integrating sphere?
No, the 81003FD will not work with the 81002FF integrating sphere.

FAQ 2011-07-06

How do I calibrate the 81534A Return Loss Module with the 81610CC Reference Cable?
A patchcord between the output of Return Loss Module and 81610CC reference cable has to be used..

FAQ 2011-07-06

What accessories should I order with my 8156A?
The 8156A has either two or three fiber connections consisting of an input, output, and monitor output.

FAQ 2011-07-06

Does the 81689A operate with the Lambda Scan in the PNP Drivers?
No, Lambda Scan requires one of the large slot tunable lasers.

FAQ 2011-07-06

What accessories should I order with the 8165XA FP Laser?
An 816x mainframe is required to operate a FP Laser. Additionally, a connector adapter ...

FAQ 2011-07-06

How can I operate the 8156A as a calibrated back reflector?
Accessories required are: 81000SI, 81113PC, 81000UM, 81000FI, 81000BR.

FAQ 2011-07-06

What is the difference between the 81000FA and the 81003FD?
The 81000FA is for adapting FC/PC style fiber optic connectors to either 815xxx or 816xxx optical heads.

FAQ 2011-07-06

What are the differences between the 81640A/80A TLS vs the 81642/82A TLS?
The 81642A/82A have only the high power output. The specification differences are: ...

FAQ 2011-07-06

Does Keysight still offer analog outputs for the 8163x optical power sensor modules?
Keysight Technologies offers several different optical power sensors:

FAQ 2011-07-06

Can the output power on the 8165xA FP laser sources be adjusted?
The nominal maximum output power of these sources can be attenuated up to 6.0 dB.

FAQ 2011-07-06

Can I use the 815xxA Series optical heads with the 81618A / 81619A interface modules?
The 815xxA Optical Heads can NOT be used with the 81618A/81619A interface modules.

FAQ 2011-07-06

What are the differences between 81640A/80A/42A/82A high performance vs. 81689A compact TLS?
There are a lot of differences between the larger TLS and the smaller one.

FAQ 2011-07-06

What is the difference between the 8163xA and the 8163xB power sensors?
The 8163xA optical power sensors did not have an analog output available.

FAQ 2011-07-06

Does Keysight offer a bare fiber adapter?
Yes, Keysight has three options for adapting bare fiber.

FAQ 2011-07-06

What accessories should I order with the 8166XA DFB Laser?
An 816x mainframe is required to operate a DFB Laser Source Module. Additionally, a connector adapter ...

FAQ 2011-07-06

What is the correct filter size for the 81000FA filter holder?
The 81000FA is an accessory which mounts on to an 8152x or 8162x optical head. The dimensions ...

FAQ 2011-07-06

What is the calibration cycle for the FP laser sources?
The calibration cycle for the 8165xA FP laser sources is 24 months.

FAQ 2011-07-06

How do I connect my industry standard connector (FC/PC, SC/PC, etc.) to my optical instrument?
A majority of Keysight's Lightwave instrumentation has a fiber optic interface that can be adapted ...

FAQ 2011-07-06

What is the difference between the optical inputs on the different 8163x optical power sensor modules?
The 81632x/ 81635x have straight fiber on the input. The 1633x/81634x have a recessed lens on the input.

FAQ 2011-07-06

Do the 81611/12/13/14A Optical Return Loss Modules have an external source input?
Yes, the 81611/12/13/14A Optical Return Loss Modules each have an input for an external source.

FAQ 2011-07-06

Why won't my High Power 8165xA FP laser source turn on?
When the 8164A is first turned on it requests a password.

FAQ 2011-07-06

Can the 81003FD (also valid for all the other 81003xx adapters) be used with the 8152xx optical heads?
No, the 81003FD will not work with the 8152xx series optical heads.

FAQ 2011-07-06

What are the differences between the 81610A and the 81611/12/13/14A Optical Return Loss Modules?
The 81610A does NOT have an internal source, while the 81611/12/13/14A all do.

FAQ 2011-07-06

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