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 BXP13 is a 2x2 boxed polarization-maintaining fiber coupler designed for operation at 1550 ± 15 nm with a 75:25 split ratio and a polarization extinction ratio of ≥20 dB, featuring integrated FC/APC bulkheads and a unit package weight of 0.11 lbs. Released on December 6, 2022, this component follows manufacturer lifecycle documentation standards. Submit the exact part number, quantity, and application requirements to request a quote.
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 BXP13. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.