Hi everyone,
I have some links to share information about lightwave analyzer
http://www.keysight.com/en/pc-0000400030001%3Acsg%3Apgr/lightwave-component-analyzers-lca?cc=IN&lc=eng
http://www.tek.com/datasheet/om4000/om4000-series-datasheet
http://www.lightwave.com/
https://www.trimatiz.com/en/products/category/detail/?id=5
http://www.testequity.com/products/1098/