Not sure why I dont find this listed anywhere... but if you need a super cheap beam splitter, do the following..
1) Go to goodwil or salvation army.
2) Buy a $1.00 plate glass picture frame
3) Buy a glass cutter at home depot (around $8.00)
4) Make as many beam splitters as you need.
Not sure what the exact transmitted v.s. reflected percentages are, but I made a simple interferometer last night with this beamsplitter and it works perfectly.
While your at the thrift store - buy a plate glass mirror for another dollar... then use some stripper on the grey backing and you can make as many FS mirrors as you want!
1) Go to goodwil or salvation army.
2) Buy a $1.00 plate glass picture frame
3) Buy a glass cutter at home depot (around $8.00)
4) Make as many beam splitters as you need.
Not sure what the exact transmitted v.s. reflected percentages are, but I made a simple interferometer last night with this beamsplitter and it works perfectly.
While your at the thrift store - buy a plate glass mirror for another dollar... then use some stripper on the grey backing and you can make as many FS mirrors as you want!