Order everything except beam splitter

[NotAnyMike]

Ok, so this will be the stuff we need

• 1x https://www.edmundoptics.co.uk/p/25mm-square-broadband-polarizing-plate-beamsplitter/8791/
• 1x https://www.edmundoptics.co.uk/p/100-x-100mm-high-temperature-linear-polarizing-film-xp40ht-18/42297/
• 2x https://www.edmundoptics.co.uk/p/100-x-100mm-4-retarder-film-wp140he/44288/