How to buy optical components

[hagopbul]

TL;DR Summary

Asking about buying optical components

Hello :

I am reviewing few of my physics courses and wandering if I want to buy a laser beam spliter what criteria I show also take into account other than narrative index

What company do you recommend to buy this component and other components from

Best regards
H

 

[DaveE]

https://www.edmundoptics.com/
https://www.thorlabs.com/