Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Thorlabs
The Thorlabs BSW13 is a discontinued Ø2" (50.8 mm) BK7 broadband beamsplitter with a thickness of 8 mm and a 400-700 nm coating, released on August 28, 2003, and discontinued on April 16, 2009. Official replacement model BSW16 supersedes this part, which was last presented on the manufacturer's open web presentation. Submit the exact part number, quantity, and application requirements to request a quote for available inventory.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Thorlabs BSW13. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.