Optical power meters page 1 optical power measurement solution note 153 1 the basis of fiber optic.
Optical power meter block diagram.
A simple circuit is illustrated in fig.
Otdr block diagram the otdr consists of a laser light source an optical sensor a coupler splitter a display section and a controller section.
Optical to arduino direct interfacing is possible via optical sfp modules.
How to use optical power meter.
Figure 1 shows a simple block diagram of the front end of an optical receiver.
Average optical power can be measured easily and reliably with a relatively inexpensive optical power meter.
The instrument provides a set of resistive loads to be selected for power measurements.
The ability of simple arduino to optical interfacing will be advantages in some cable network and noisy environment like factory automation.
The output power meters is designed to directly measure the output power in an arbitrary load.
Figure 4 otdr block diagram laser light source.
Speed limitation may depend on arduino processing and peripheral throughput.
The reason for this is contents 1.
A modular optical power meter is provided which comprises a plurality of modules each of which contains a matched compatible set of elements consisting of a terminal connector a source of optical power and a sensor for sensing optical power.
The dominant noise sources in this section are the linear components that provide the optical to electrical conversion namely.
But a light source and power meter measurement does not indicate if.
However the application of thermal power meters is limited to power levels above 10 µw.
In addition to power the output meter can be used to measure impedance and frequency response characteristics.