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 BP109-VIS is a slit scanning beam profiler manufactured on October 10, 2005, and discontinued on January 23, 2013, with the BP209-VIS designated as its official replacement model. This unit operates within a 400 nm to 1100 nm wavelength range to analyze beams measuring from Ø20 µm to Ø9 mm. Submit the exact part number, quantity, and application requirements to request a quote for this discontinued component.
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 BP109-VIS. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.