Newport RSP-1T Rotation Mount 1" Optical Component Like Thorlabs Used

Thorlabs PBS104 10 mm Polarizing Beamsplitter Cube, 1200 - 1600 nm

Thorlabs Ø1/2" Optical Post Holder with 3/16" Hex Locking Screw & Adapter Plate

Thorlabs CRM05 - Rotation Mount for Ø1/2" (Ø12.7 mm) Optics

Thorlabs KM05PM/M - Kinematic Prism Mount, 17.8 mm Deep, M3 and M4 Taps

THORLABS CRM1L/M Cage Rotation Mount for Ø1" Optic with Cube Optic

Thorlabs ND2R10A Mounted Ø50.0 mm Reflective ND Filter, Optical Density 1.0

Thorlabs ND2R20A Mounted Ø50.0 mm Reflective ND Filter, Optical Density 2.0