Scattering is the primary loss mechanism offiber and the light scattered back to the OTDR provides the mechanism for OTDRtesting. The backscatter coefficient is a result of two major fiber characteristics, corediameter (or more correctly, mode fill in the core) and the material itself.
1 Cancers-peripheral neuropathy can occur in people with some cancer E.G: lymphoma and multiple myeloma. 2  Alcohol excess-high alcohol levels in the body cause nerve damage. 3  Chronic kidney disease-if the kidneys are not functioning normally, an imbalance of salts and chemicals can cause peripheral neuropathy.
It most commonly occurs in the legs. Other symptoms of peripheral neuropathy can include weakness and numbness. Poorly controlled diabetes is one of the most common causes of peripheral neuropathy, but a number of conditions can be responsible for damage to the peripheral nerves. Examples of other causes include: