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 2DSI is a Two-Dimensional Spectral Shearing Interferometer operating within the 650 to 1000 nm wavelength range. This product was officially discontinued by Thorlabs on April 12, 2019, following its final web presentation. Submit the exact part number, quantity, and application requirements to request a quote for available stock.
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 2DSI. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.